[ { "ch": "What is the FOD?", "ansGr": [ { "ans": [ "FOD is any damage caused by any loose object to aircraft, personnel, or equipment.", "true" ] }, { "ans": [ "FOD is any damage caused by any loose object to aircraft, tool, or equipment.", "false" ] }, { "ans": [ "FOD is any damage caused by any loose object to personnel, componet or equipment.", "false" ] } ] }, { "ch": "For commercial purposes, How many class of fire?", "ansGr": [ { "ans": [ "3", "true" ] }, { "ans": [ "2", "false" ] }, { "ans": [ "4", "false" ] } ] }, { "ch": "Three things are required for a fire:", "ansGr": [ { "ans": [ "Fuel, heat, oxygen.", "true" ] }, { "ans": [ "Fuel, air, oxygen.", "false" ] }, { "ans": [ "Fuel, heat, gas.", "false" ] } ] }, { "ch": "What is the purpose of hearing protection?", "ansGr": [ { "ans": [ "Reduce the sound level reaching the eardrum and reduce the chances of hearing loss.", "true" ] }, { "ans": [ "Increase the sound level reaching the eardrum and reduce the chances of hearing loss.", "false" ] }, { "ans": [ "Reduce the sound level reaching the eardrum and increase the chances of hearing loss.", "false" ] } ] }, { "ch": "Fires occur in ordinary combustible materials, such as wood, cloth, paper, upholstery materials, and so forth.", "ansGr": [ { "ans": [ "Class A.", "true" ] }, { "ans": [ "Class B.", "false" ] }, { "ans": [ "Class C.", "false" ] } ] }, { "ch": "Fires occur in flammable petroleum products of other flammable or combustible liquids, greases, solvents, paints.", "ansGr": [ { "ans": [ "Class B.", "true" ] }, { "ans": [ "Class A.", "false" ] }, { "ans": [ "Class C.", "false" ] } ] }, { "ch": "Fires involve energized electrical wiring and equipment.", "ansGr": [ { "ans": [ "Class C.", "true" ] }, { "ans": [ "Class A.", "false" ] }, { "ans": [ "Class B.", "false" ] } ] }, { "ch": "Water extinguishers are the best type to use on:", "ansGr": [ { "ans": [ "Class A fires.", "true" ] }, { "ans": [ "Class B fires.", "false" ] }, { "ans": [ "Class C fires.", "false" ] } ] }, { "ch": "Fire extinguishers should be marked to indicate suitability for:", "ansGr": [ { "ans": [ "Class of fire.", "true" ] }, { "ans": [ "Place of fire.", "false" ] }, { "ans": [ "Degree of fire.", "false" ] } ] }, { "ch": "The modern gas turbine engine will create a low pressure area in front of the engine that will cause:", "ansGr": [ { "ans": [ "Any FOD to be drawn into the engine.", "true" ] }, { "ans": [ "Any FOD to be drawn into the APU.", "false" ] }, { "ans": [ "Any FOD to be drawn into the air intake.", "false" ] } ] }, { "ch": "When electricity is applied to the human body, it can create.", "ansGr": [ { "ans": [ "Severe burns.", "true" ] }, { "ans": [ "Mild burns.", "false" ] }, { "ans": [ "Blistered skin.", "false" ] } ] }, { "ch": "When working on electrical systme, technician must:", "ansGr": [ { "ans": [ "Wear or use proper safety equipment.", "true" ] }, { "ans": [ "Wear or use the equipment normally.", "false" ] }, { "ans": [ "No requirements.", "false" ] } ] }, { "ch": "Two factors that affect safety when dealing with electricity are:", "ansGr": [ { "ans": [ "Fear and overconfidence.", "true" ] }, { "ans": [ "Fear and worry.", "false" ] }, { "ans": [ "Subjectivity and overconfidence.", "false" ] } ] }, { "ch": "To prevent electrical fire:", "ansGr": [ { "ans": [ "Closely monitor the condition of electrical equipment. Repair or replace damaged equipment before further use.", "true" ] }, { "ans": [ "Closely monitor the condition of electrical equipment. Hang Waring tag on damaged equipment before further use.", "false" ] }, { "ans": [ "Closely monitor the condition of electrical equipment. Report damaged equipment before further use.", "false" ] } ] }, { "ch": "Air used for paint spraying should be filtered.", "ansGr": [ { "ans": [ "To remove oil and water.", "true" ] }, { "ans": [ "To remove oil and fuel.", "false" ] }, { "ans": [ "To remove fuel and water.", "false" ] } ] }, { "ch": "One of safety around compressed gases:", "ansGr": [ { "ans": [ "Air hoses should be straightened.", "true" ] }, { "ans": [ "Use compressed air to clean hands or clothing.", "false" ] }, { "ans": [ "Air hoses should be folded.", "false" ] } ] }, { "ch": "When working with oxygen cylinders", "ansGr": [ { "ans": [ "Always use protective caps and plugs.", "true" ] }, { "ans": [ "Always use plastic bags and plugs.", "false" ] }, { "ans": [ "Always use adhesive tape", "false" ] } ] }, { "ch": "Oxygen cylinders should be stored:", "ansGr": [ { "ans": [ "In a designated and away from heat sources.", "true" ] }, { "ans": [ "In serviceable store.", "false" ] }, { "ans": [ "In a designated and away from air sources.", "false" ] } ] }, { "ch": "The key to fire safety is knowledge of:", "ansGr": [ { "ans": [ "What causes fire, how to prevent it, and how to put it out.", "true" ] }, { "ans": [ "Flammable substance.", "false" ] }, { "ans": [ "Fire extinguishing agent.", "false" ] } ] }, { "ch": "Carbon dioxide (CO₂) extinguishers are used for:", "ansGr": [ { "ans": [ "Class A, B, and C fires.", "true" ] }, { "ans": [ "Class A, B, and D fires.", "false" ] } ] }, { "ch": "Best fire extinguishers to use on Class D fires:", "ansGr": [ { "ans": [ "Dry powder extinguishers.", "true" ] }, { "ans": [ "Water extinguishers.", "false" ] }, { "ans": [ "Carbon dioxide extinguishers.", "false" ] } ] }, { "ch": "Dry powder extinguisher is not recommended for aircraft use because:", "ansGr": [ { "ans": [ "It can damage electronic or other delicate equipment.", "true" ] }, { "ans": [ "The fire cannot be completely extinguished.", "false" ] }, { "ans": [ "It just used for class A, B, C fires.", "false" ] } ] }, { "ch": "When using a fire extinguisher, make sure you have the:", "ansGr": [ { "ans": [ "Correct type.", "true" ] }, { "ans": [ "Correct size.", "false" ] }, { "ans": [ "Correct marking.", "false" ] } ] }, { "ch": "What contents do workshop practices include?", "ansGr": [ { "ans": [ "Care of tools, control of tools, use of workshop materials; Dimensions, allowances and tolerances, standards of workmanship; Calibration of tools and equipment, calibration standards.", "true" ] }, { "ans": [ "Care of tools, control of tools, use of workshop materials and repair tools.", "false" ] }, { "ans": [ "Care of tools, control of tools, use of workshop materials ,calibration of tools and equipment and repair tools.", "false" ] } ] }, { "ch": "Who engages in activities where the use of tools is featured?", "ansGr": [ { "ans": [ "The aviation maintenance engineer .", "true" ] }, { "ans": [ "The tool keeper.", "false" ] }, { "ans": [ "The tool inspector.", "false" ] } ] }, { "ch": "Who owns common hand tool set such as: wrenches, spanners, socket sets, hammers, screwdrivers, pliers and the like ?", "ansGr": [ { "ans": [ "The aviation maintenance engineer .", "true" ] }, { "ans": [ "The maintenance organization .", "false" ] }, { "ans": [ "The maintenance manager.", "false" ] } ] }, { "ch": "What is the effect of wipping a light coating of oil on the steel tool after use ?", "ansGr": [ { "ans": [ "Prevent corrosion.", "true" ] }, { "ans": [ "Prevent moisture.", "false" ] }, { "ans": [ "Prevent mold.", "false" ] } ] }, { "ch": "Who should a technician seek help from if they have any questions about how to use a tool?", "ansGr": [ { "ans": [ "An experienced colleague or the manufacturer of the tool.", "true" ] }, { "ans": [ "Tool inspector.", "false" ] }, { "ans": [ "Tool keeper.", "false" ] } ] }, { "ch": "Why do we see the wrenchs and sockets are missing easily?", "ansGr": [ { "ans": [ "Each wrench and socket occupy a specific location in the wrench and socket holder .", "true" ] }, { "ans": [ "Part number of each wrench and socket is managed in software in the computer.", "false" ] }, { "ans": [ "Wrenchs and sockets are always kept in the same location.", "false" ] } ] }, { "ch": "Who is responsible for the control of own tools and any special tools borrowed from the company to perform a job?", "ansGr": [ { "ans": [ "Each engineer.", "true" ] }, { "ans": [ "Tool inspector.", "false" ] }, { "ans": [ "Director of company.", "false" ] } ] }, { "ch": "How do we identify the special tool?", "ansGr": [ { "ans": [ "An identification number or a bar code label attached directly to the tool .", "true" ] }, { "ans": [ "An identification number in inventory record.", "false" ] }, { "ans": [ "A bar code label on personal toolbox", "false" ] } ] }, { "ch": "Where can the administrator of the tool room find the name of the engineer receiving the tool?", "ansGr": [ { "ans": [ "The inventory record of tool room.", "true" ] }, { "ans": [ "The computer of the administrator of the tool room .", "false" ] }, { "ans": [ "One software of tool room.", "false" ] } ] }, { "ch": "What is the most important check to control the tool?", "ansGr": [ { "ans": [ "End of Work' tool check", "true" ] }, { "ans": [ "End and Begin of Work' tool check", "false" ] }, { "ans": [ "Begin of Work' tool check", "false" ] } ] }, { "ch": "When should the aircraft be released for service?", "ansGr": [ { "ans": [ "When all borrowed special tools are returned to room tool and the personal toolbox is not missing any tools.", "true" ] }, { "ans": [ "When all borrowed special tools are returned to room tool.", "false" ] }, { "ans": [ "When the personal toolbox is not missing any tools.", "false" ] } ] }, { "ch": "How many groups of tools are there?", "ansGr": [ { "ans": [ "2", "true" ] }, { "ans": [ "3", "false" ] }, { "ans": [ "4", "false" ] } ] }, { "ch": "Which group do wrenches, spanners, socket sets, hammers, screwdrivers, pliers and the like belong to?", "ansGr": [ { "ans": [ "Personal tool.", "true" ] }, { "ans": [ "Special tool.", "false" ] }, { "ans": [ "Rudimentary tool.", "false" ] } ] }, { "ch": "Where are oils, greases, some adhesives, sealing and glazing compounds in addition to many paints, enamels and epoxy surface finishes stored ?", "ansGr": [ { "ans": [ "Be stored outdoors or in specially designed cabinets.", "true" ] }, { "ans": [ "Be stored indoors.", "false" ] }, { "ans": [ "Be stored in storage cabinets are kept under direct sunlight in a workshop or hangar.", "false" ] } ] }, { "ch": "Can two types of oils be mixed together when used in aircraft?", "ansGr": [ { "ans": [ "Never mixed together, unless the two materials are designed to be mixed", "true" ] }, { "ans": [ "Never mixed together.", "false" ] }, { "ans": [ "Can mixed together.", "false" ] } ] }, { "ch": "When does the operator wearing a mask or some form of remote breathing apparatus?", "ansGr": [ { "ans": [ "When handling materials that give off fumes.", "true" ] }, { "ans": [ "When working in a place that is too narrow", "false" ] }, { "ans": [ "When working in a place with insufficient air", "false" ] } ] }, { "ch": "Whose regulations must the disposal of liquid materials only be carried out in accordance with ?", "ansGr": [ { "ans": [ "Company, local, national, and international regulations.", "true" ] }, { "ans": [ "Manager, local, national, and international regulations.", "false" ] }, { "ans": [ "Company, manufacturer,local, national, and international regulations.", "false" ] } ] }, { "ch": "The basic size diameter of a piston is 4.0 inches.The tolerance established by the engine manufacturer is .005 inch.The piston's actual size is 4,1 inches.Is this actual size used in the engine?", "ansGr": [ { "ans": [ "The piston is rejected for use in the engine.", "true" ] }, { "ans": [ "The piston is accepted for use in the engine.", "false" ] }, { "ans": [ "The piston can use in the engine with some conditions", "false" ] } ] }, { "ch": "What is the actual size if basic size is 5.0 inches and the unilateral tolerance is -.005?", "ansGr": [ { "ans": [ "The actual size must be between 4.995 inches and 5.0 inches", "true" ] }, { "ans": [ "The actual size must be between 4.895 inches and 5.0 inches", "false" ] }, { "ans": [ "The actual size must be between 5.005 inches and 5.1 inches", "false" ] } ] }, { "ch": "What is the kind of fit which allows for sliding or rotating between mating parts?", "ansGr": [ { "ans": [ "A clearance fit.", "true" ] }, { "ans": [ "An interference fit.", "false" ] }, { "ans": [ "A tight fit", "false" ] } ] }, { "ch": "What are the mandatory guidance to bring about the best results in aircraft maintenance and repair?", "ansGr": [ { "ans": [ "Manufacturer’s instructions.", "true" ] }, { "ans": [ "Company’s instructions.", "false" ] }, { "ans": [ "Calibrator's instructions.", "false" ] } ] }, { "ch": "Where are the tools calibrated periodically?", "ansGr": [ { "ans": [ "A calibration shop in-house and independent agencies that perform the calibration.", "true" ] }, { "ans": [ "In tool room of company.", "false" ] }, { "ans": [ "At the tool manufacturing site", "false" ] } ] }, { "ch": "What information do the calibration records or certificates should contain", "ansGr": [ { "ans": [ "Identification of equipment ,Standard used ,Results obtained,Uncertainty of measurement ,Assigned calibration interval ,Limits of permissible error,The authority under which the release document was issued,Any limitation in the use of the equipment ,Date on which each calibration was conducted.", "true" ] }, { "ans": [ "Identification of equipment ,Standard used ,Results obtained,Uncertainty of measurement ,Assigned calibration interval ,Limits of permissible error.", "false" ] }, { "ans": [ "The authority under which the release document was issued,Any limitation in the use of the equipment ,Date on which each calibration was conducted.", "false" ] } ] }, { "ch": "When are the electrical instruments calibrated?", "ansGr": [ { "ans": [ "Before each use", "true" ] }, { "ans": [ "No calibration required", "false" ] }, { "ans": [ "Calibrate once a year", "false" ] } ] }, { "ch": "What is the main purpose of a screwdriver?", "ansGr": [ { "ans": [ "To loosen or tighten screws or screw head bolts", "true" ] }, { "ans": [ "To drill holes", "false" ] }, { "ans": [ "To cut wires", "false" ] } ] }, { "ch": "How much of the screw slot must a common screwdriver fill?", "ansGr": [ { "ans": [ "0.75", "true" ] }, { "ans": [ "1", "false" ] }, { "ans": [ "0.9", "false" ] } ] }, { "ch": "What is the primary use of roundnose pliers?", "ansGr": [ { "ans": [ "Crimping metal", "true" ] }, { "ans": [ "Cutting wire", "false" ] }, { "ans": [ "Twisting safety wire", "false" ] } ] }, { "ch": "What is the primary use of Diagonal pliers?", "ansGr": [ { "ans": [ "Cutting wire", "true" ] }, { "ans": [ "Crimping metal", "false" ] }, { "ans": [ "Twisting safety wire", "false" ] } ] }, { "ch": "What is a common name for a temporary clamp used to position components?", "ansGr": [ { "ans": [ "C-clamp", "true" ] }, { "ans": [ "G-clamp", "false" ] }, { "ans": [ "F-clamp", "false" ] } ] }, { "ch": "How are power tools generally powered?", "ansGr": [ { "ans": [ "Electrically and pneumatically", "true" ] }, { "ans": [ "Hydraulically and mechanically", "false" ] }, { "ans": [ "Manually and hydraulically", "false" ] } ] }, { "ch": "What is the primary power source for nibblers?", "ansGr": [ { "ans": [ "Compressed air", "true" ] }, { "ans": [ "Electricity", "false" ] }, { "ans": [ "Hydraulic power", "false" ] } ] }, { "ch": "What type of drills are preferred for use around flammable materials and aircraft?", "ansGr": [ { "ans": [ "Pneumatic drills", "true" ] }, { "ans": [ "Electric drills", "false" ] }, { "ans": [ "Laser drills", "false" ] } ] }, { "ch": "What creates the magnetic fields used in the operation of a meter?", "ansGr": [ { "ans": [ "Current from the circuit", "true" ] }, { "ans": [ "Thermal energy", "false" ] }, { "ans": [ "Resistance from the circuit", "false" ] } ] }, { "ch": "What is the end shape of a Phillips screwdriver?", "ansGr": [ { "ans": [ "Blunt", "true" ] }, { "ans": [ "Flat", "false" ] }, { "ans": [ "Curved", "false" ] } ] }, { "ch": "Why should clamps and vises not be used beyond their capacity?", "ansGr": [ { "ans": [ "To avoid personal injury and workpiece damage", "true" ] }, { "ans": [ "To avoid scratching the workpiece", "false" ] }, { "ans": [ "To prevent wear and tear on the clamp or vise", "false" ] } ] }, { "ch": "What materials can mallet heads be made of?", "ansGr": [ { "ans": [ "Hickory, rawhide, or rubber", "true" ] }, { "ans": [ "Steel, iron, or aluminum", "false" ] }, { "ans": [ "Plastic, lead, or brass", "false" ] } ] }, { "ch": "How should you swing a hammer correctly?", "ansGr": [ { "ans": [ "By bending the elbow", "true" ] }, { "ans": [ "By bending the wrist", "false" ] }, { "ans": [ "By keeping the arm straight", "false" ] } ] }, { "ch": "What type of punch is used to make large indentations for starting a twist drill?", "ansGr": [ { "ans": [ "Center punch", "true" ] }, { "ans": [ "Prick punch", "false" ] }, { "ans": [ "Pin punch", "false" ] } ] }, { "ch": "What is the primary use of a drive punch?", "ansGr": [ { "ans": [ "Driving out damaged rivets, pins, and bolts", "true" ] }, { "ans": [ "Locating centers for drawing circles", "false" ] }, { "ans": [ "Placing reference marks on metal", "false" ] } ] }, { "ch": "How many points do well-manufactured box-end wrenches usually have?", "ansGr": [ { "ans": [ "12 points", "true" ] }, { "ans": [ "10 points", "false" ] }, { "ans": [ "6 points", "false" ] } ] }, { "ch": "What should always be done before using an unfamiliar power tool?", "ansGr": [ { "ans": [ "Seek instruction on how to use it", "true" ] }, { "ans": [ "Start using it immediately", "false" ] }, { "ans": [ "Measure its weight", "false" ] } ] }, { "ch": "What are the three main parts of a hacksaw?", "ansGr": [ { "ans": [ "Blade, frame, and handle", "true" ] }, { "ans": [ "Frame, teeth, and screws", "false" ] }, { "ans": [ "Handle, grip, and screws", "false" ] } ] }, { "ch": "What tool should be used to keep files clean?", "ansGr": [ { "ans": [ "File card", "true" ] }, { "ans": [ "File brush", "false" ] }, { "ans": [ "Steel wool", "false" ] } ] }, { "ch": "What is the primary use of reamers?", "ansGr": [ { "ans": [ "Smoothing and enlarging holes to exact size", "true" ] }, { "ans": [ "Drilling holes and polishing surfaces", "false" ] }, { "ans": [ "Cutting threads", "false" ] } ] }, { "ch": "What is the primary function of a drill press?", "ansGr": [ { "ans": [ "Drilling holes with high accuracy", "true" ] }, { "ans": [ "Cutting metal sheets", "false" ] }, { "ans": [ "Drilling holes with flexible areas in the aircraft", "false" ] } ] }, { "ch": "What should be used to mark the holes before drilling?", "ansGr": [ { "ans": [ "A small drill bit", "true" ] }, { "ans": [ "A large drill bit", "false" ] }, { "ans": [ "A sharp point screwdriver", "false" ] } ] }, { "ch": "Why is the slide caliper preferred over a ruler for certain measurements?", "ansGr": [ { "ans": [ "It provides greater accuracy", "true" ] }, { "ans": [ "It is easier to use", "false" ] }, { "ans": [ "It is cheaper", "false" ] } ] }, { "ch": "How should an ammeter be connected in a circuit?", "ansGr": [ { "ans": [ "In series with the element", "true" ] }, { "ans": [ "In parallel with the element", "false" ] }, { "ans": [ "Across a voltage source", "false" ] } ] }, { "ch": "How should the red meter lead be installed when measuring voltage?", "ansGr": [ { "ans": [ "In the positive meter jack (+)", "true" ] }, { "ans": [ "In the negative meter jack (-)", "false" ] }, { "ans": [ "It doesn't matter", "false" ] } ] }, { "ch": "How is current measured in a circuit?", "ansGr": [ { "ans": [ "By opening the circuit and inserting the ammeter in series", "true" ] }, { "ans": [ "By placing the ammeter in parallel with the circuit", "false" ] }, { "ans": [ "By using a voltmeter", "false" ] } ] }, { "ch": "What powers portable power drills?", "ansGr": [ { "ans": [ "Electricity and compressed air", "true" ] }, { "ans": [ "Hydraulic and compressed air", "false" ] }, { "ans": [ "Electricity and hydraulic", "false" ] } ] }, { "ch": "How does a Reed & Prince recessed head differ from a Phillips recessed head?", "ansGr": [ { "ans": [ "It forms a perfect cross", "true" ] }, { "ans": [ "It forms a perfect square", "false" ] }, { "ans": [ "It is hexagonal", "false" ] } ] }, { "ch": "What are the most common crosspoint screwdrivers?", "ansGr": [ { "ans": [ "Number 1 and Number 2 Phillips", "true" ] }, { "ans": [ "Number 1 and Number 3", "false" ] }, { "ans": [ "Number 2 and Number 3", "false" ] } ] }, { "ch": "Which pliers are most frequently used in aircraft repair work?", "ansGr": [ { "ans": [ "Diagonal, needlenose, and duckbill pliers", "true" ] }, { "ans": [ "Roundnose, slip-joint, and locking pliers", "false" ] }, { "ans": [ "Adjustable, groove-joint, and channel-lock pliers", "false" ] } ] }, { "ch": "When might it be necessary to use a vise instead of a clamp?", "ansGr": [ { "ans": [ "When holding materials for extended periods", "true" ] }, { "ans": [ "When the workpiece is extremely large", "false" ] }, { "ans": [ "When working with lightweight materials only", "false" ] } ] }, { "ch": "What is one key feature of a carriage clamp (C-clamp)?", "ansGr": [ { "ans": [ "It is used to position components while fixing them together", "true" ] }, { "ans": [ "It can be permanently installed", "false" ] }, { "ans": [ "It is only suitable for plastic materials", "false" ] } ] }, { "ch": "Why should the faces of hammers and mallets be kept smooth and free from dents, chips, or gouges?", "ansGr": [ { "ans": [ "To prevent marring the work", "true" ] }, { "ans": [ "To reduce noise", "false" ] }, { "ans": [ "To prevent increase their weight", "false" ] } ] }, { "ch": "What is the primary use of prick punches?", "ansGr": [ { "ans": [ "Placing reference marks on metal", "true" ] }, { "ans": [ "Making large indentations in metal", "false" ] }, { "ans": [ "Removing damaged rivets", "false" ] } ] }, { "ch": "What is the characteristic of a flexible hacksaw blade?", "ansGr": [ { "ans": [ "Only the teeth are hardened", "true" ] }, { "ans": [ "The entire blade is hard", "false" ] }, { "ans": [ "It cannot bend at all", "false" ] } ] }, { "ch": "What is the usual length range for chisels?", "ansGr": [ { "ans": [ "13 cm to 20 cm", "true" ] }, { "ans": [ "5 cm to 10 cm", "false" ] }, { "ans": [ "25 cm to 35 cm", "false" ] } ] }, { "ch": "What should be the cutting angle of a chisel for general use?", "ansGr": [ { "ans": [ "60° to 70°", "true" ] }, { "ans": [ "75° to 85°", "false" ] }, { "ans": [ "45° to 55°", "false" ] } ] }, { "ch": "How is the length of a file measured?", "ansGr": [ { "ans": [ "From the tip to the heel, excluding the tang", "true" ] }, { "ans": [ "From the tip to the tang, including the tang", "false" ] }, { "ans": [ "From the heel to the handle", "false" ] } ] }, { "ch": "What type of reamer has no taper and is used to finish the bottom of holes?", "ansGr": [ { "ans": [ "Bottoming reamer", "true" ] }, { "ans": [ "Straight fluted reamer", "false" ] }, { "ans": [ "Spiral fluted reamer", "false" ] } ] }, { "ch": "What is the most common type of drill press?", "ansGr": [ { "ans": [ "Upright drill press", "true" ] }, { "ans": [ "Radial drill press", "false" ] }, { "ans": [ "Bench drill press", "false" ] } ] }, { "ch": "Why is the upright drill press preferred for certain drilling tasks?", "ansGr": [ { "ans": [ "It is more accurate", "true" ] }, { "ans": [ "It is faster", "false" ] }, { "ans": [ "It is easier to use", "false" ] } ] }, { "ch": "what critical temperature can HSS drill bits retain their hardness?", "ansGr": [ { "ans": [ "760 °C", "true" ] }, { "ans": [ "800 °C", "false" ] }, { "ans": [ "600 °C", "false" ] } ] }, { "ch": "What feature is characteristic of twist drill bits?", "ansGr": [ { "ans": [ "Spiral grooves or flutes", "true" ] }, { "ans": [ "Flat edges", "false" ] }, { "ans": [ "Serrated edges", "false" ] } ] }, { "ch": "Which material is used to make twist drill bits for drilling titanium?", "ansGr": [ { "ans": [ "Cobalt-vanadium", "true" ] }, { "ans": [ "Tungsten carbide", "false" ] }, { "ans": [ "High Speed Steel (HSS)", "false" ] } ] }, { "ch": "How should you hold the center punch when marking holes?", "ansGr": [ { "ans": [ "Perpendicular to the surface", "true" ] }, { "ans": [ "At an angle to the surface", "false" ] }, { "ans": [ "Horizontally", "false" ] } ] }, { "ch": "How is 1/8 inch expressed as a decimal?", "ansGr": [ { "ans": [ "0.125", "true" ] }, { "ans": [ "0.075", "false" ] }, { "ans": [ "0.15", "false" ] } ] }, { "ch": "Which caliper type should not be used for precision measurement?", "ansGr": [ { "ans": [ "Hermaphrodite calipers", "true" ] }, { "ans": [ "Outside calipers", "false" ] }, { "ans": [ "Inside calipers", "false" ] } ] }, { "ch": "How many parts is the bevel edge of the thimble divided into?", "ansGr": [ { "ans": [ "25 parts", "true" ] }, { "ans": [ "20 parts", "false" ] }, { "ans": [ "50 parts", "false" ] } ] }, { "ch": "How much does each division on the thimble represent?", "ansGr": [ { "ans": [ "0.001 inch", "true" ] }, { "ans": [ "0.010 inch", "false" ] }, { "ans": [ "0.100 inch", "false" ] } ] }, { "ch": "What part of the micrometer is used to make adjustments while measuring?", "ansGr": [ { "ans": [ "The thimble", "true" ] }, { "ans": [ "The anvil", "false" ] }, { "ans": [ "The spindle", "false" ] } ] }, { "ch": "What does a dial indicator measure?", "ansGr": [ { "ans": [ "Measuring surface variations", "true" ] }, { "ans": [ "Measuring diameters", "false" ] }, { "ans": [ "Measuring length", "false" ] } ] }, { "ch": "What is required for each range in a multirange ammeter?", "ansGr": [ { "ans": [ "Different shunt resistance", "true" ] }, { "ans": [ "Different meter size", "false" ] }, { "ans": [ "Different scale length", "false" ] } ] }, { "ch": "What determines the voltage drop across the meter coil?", "ansGr": [ { "ans": [ "Current and coil resistance", "true" ] }, { "ans": [ "Frequency and amplitude", "false" ] }, { "ans": [ "Voltage and resistance", "false" ] } ] }, { "ch": "What components are included in a basic ohmmeter?", "ansGr": [ { "ans": [ "Battery, variable resistor, and meter movement", "true" ] }, { "ans": [ "Battery, capacitor, and diode", "false" ] }, { "ans": [ "Variable resistor, capacitor, and transistor", "false" ] } ] }, { "ch": "What is the effect of a low resistance voltmeter on a circuit?", "ansGr": [ { "ans": [ "It draws off a significant amount of current", "true" ] }, { "ans": [ "It increases the current", "false" ] }, { "ans": [ "It decreases the resistance", "false" ] } ] }, { "ch": "What role does the internal battery play in an ohmmeter?", "ansGr": [ { "ans": [ "Produces a current through the movement coil", "true" ] }, { "ans": [ "Stabilizes the voltage", "false" ] }, { "ans": [ "Supplies power for external devices", "false" ] } ] }, { "ch": "What does the meter indicate when the ohmmeter leads are open?", "ansGr": [ { "ans": [ "Infinite resistance", "true" ] }, { "ans": [ "Zero resistance", "false" ] }, { "ans": [ "Voltage drop", "false" ] } ] }, { "ch": "Why is it important to adjust the current in an ohmmeter to show zero resistance correctly?", "ansGr": [ { "ans": [ "To compensate for changes in internal battery voltage", "true" ] }, { "ans": [ "To prevent the meter from overheating", "false" ] }, { "ans": [ "To reduce the size of the meter", "false" ] } ] }, { "ch": "How does the shunt resistance change for higher ohm ranges?", "ansGr": [ { "ans": [ "It increases", "true" ] }, { "ans": [ "It decreases", "false" ] }, { "ans": [ "It remains the same", "false" ] } ] }, { "ch": "How are coils A and B in the megger positioned?", "ansGr": [ { "ans": [ "With a fixed angular relationship to each other", "true" ] }, { "ans": [ "Parallel to each other", "false" ] }, { "ans": [ "Perpendicular to each other", "false" ] } ] }, { "ch": "What does coil B tend to do in the megger's instrument portion?", "ansGr": [ { "ans": [ "Move the pointer counterclockwise", "true" ] }, { "ans": [ "Move the pointer clockwise", "false" ] }, { "ans": [ "Move the pointer in both directions", "false" ] } ] }, { "ch": "What forms the voltage element in a wattmeter?", "ansGr": [ { "ans": [ "Movable coil with a series resistance", "true" ] }, { "ans": [ "Stationary coil", "false" ] }, { "ans": [ "Transformer", "false" ] } ] }, { "ch": "What forms the current element in a wattmeter?", "ansGr": [ { "ans": [ "Stationary coil", "true" ] }, { "ans": [ "Movable coil with a series resistance", "false" ] }, { "ans": [ "Transformer", "false" ] } ] }, { "ch": "What type of screen do most bench or shop oscilloscopes use?", "ansGr": [ { "ans": [ "Cathode-ray tube (CRT)", "true" ] }, { "ans": [ "LCD screen", "false" ] }, { "ans": [ "LED screen", "false" ] } ] }, { "ch": "What is the role of the phosphorescent coat in a CRT oscilloscope?", "ansGr": [ { "ans": [ "To emit light when struck by the electron beam", "true" ] }, { "ans": [ "To absorb electrons", "false" ] }, { "ans": [ "To deflect the electron beam", "false" ] } ] }, { "ch": "Where should the meter probes be placed relative to the component,In voltage measurement?", "ansGr": [ { "ans": [ "In parallel across the component", "true" ] }, { "ans": [ "In series with the component", "false" ] }, { "ans": [ "Between the component and ground", "false" ] } ] }, { "ch": "How should the ammeter be oriented relative to the circuit's current flow?", "ansGr": [ { "ans": [ "In the direction of current flow", "true" ] }, { "ans": [ "Opposite to the direction of current flow", "false" ] }, { "ans": [ "It doesn't matter", "false" ] } ] }, { "ch": "What does a near zero resistance reading indicate during a continuity check?", "ansGr": [ { "ans": [ "A short circuit or good connection", "true" ] }, { "ans": [ "A high current flow", "false" ] }, { "ans": [ "An open circuit", "false" ] } ] }, { "ch": "How can a technician identify a short circuit in a series circuit?", "ansGr": [ { "ans": [ "By observing increased current flow or a blown fuse", "true" ] }, { "ans": [ "By checking for reduced voltage", "false" ] }, { "ans": [ "By measuring increased resistance", "false" ] } ] }, { "ch": "How does an open resistor affect the total resistance in a parallel circuit?", "ansGr": [ { "ans": [ "Increases total resistance", "true" ] }, { "ans": [ "Decreases total resistance", "false" ] }, { "ans": [ "Has no effect", "false" ] } ] }, { "ch": "What type of components are sometimes fabricated using spin forming?", "ansGr": [ { "ans": [ "Propeller spinners", "true" ] }, { "ans": [ "Structural beams", "false" ] }, { "ans": [ "Fasteners", "false" ] } ] }, { "ch": "What is the recommended speed for drilling aluminum alloy?", "ansGr": [ { "ans": [ "200 to 300 sfm", "true" ] }, { "ans": [ "100 to 150 sfm", "false" ] }, { "ans": [ "400 to 500 sfm", "false" ] } ] }, { "ch": "What is Drawing a method of ?", "ansGr": [ { "ans": [ "Conveying ideas concerning the construction or assembly of objects.", "true" ] }, { "ans": [ "Drawing here is a method for generating new ideas related to building or creating objects.", "false" ] }, { "ans": [ "Drawing here is a method for generating new ideas related to disassembling or creating objects.", "false" ] } ] }, { "ch": "How can designers share their work with other designers and manufacturers virtually anytime?", "ansGr": [ { "ans": [ "By computer networking and the Internet", "true" ] }, { "ans": [ "A drawing “board” with pen or pencil and paper", "false" ] }, { "ans": [ "By Computers", "false" ] } ] }, { "ch": "Howm many class may Drawings be divided into?", "ansGr": [ { "ans": [ "(1) detail, (2) assembly, and (3) installation.", "true" ] }, { "ans": [ "(1) detail, (2) dis-assembly, and (3) installation.", "false" ] }, { "ans": [ "(1) detail, (2) assembly, and (3) remove.", "false" ] } ] }, { "ch": "What are title blocks below?", "ansGr": [ { "ans": [ "The date, the names, the scale", "true" ] }, { "ans": [ "The date, the steps, the scale", "false" ] }, { "ans": [ "The date, the names, the number of lines", "false" ] } ] }, { "ch": "What does the universal numbering system provide?", "ansGr": [ { "ans": [ "A means of identifying standard drawing sizes", "true" ] }, { "ans": [ "A means of separate standard drawing sizes", "false" ] }, { "ans": [ "A means of identifying drawing sizes", "false" ] } ] }, { "ch": "What is called tolerance?", "ansGr": [ { "ans": [ "The sum of the plus and minus allowance figures", "true" ] }, { "ans": [ "The maximum figure", "false" ] }, { "ans": [ "The minus (-) figure", "false" ] } ] }, { "ch": "What are used to indicate the surface that must be machine finished ?", "ansGr": [ { "ans": [ "Finish Marks", "true" ] }, { "ans": [ "Scale", "false" ] }, { "ans": [ "Application", "false" ] } ] }, { "ch": "What í is the branch of mathematics ?", "ansGr": [ { "ans": [ "Geometry", "true" ] }, { "ans": [ "Orthographic Projection Drawings", "false" ] }, { "ans": [ "Orthographic", "false" ] } ] }, { "ch": "What are One-view drawings commonly used for objects of?", "ansGr": [ { "ans": [ "Gaskets, shims, plates, cylindrical, spherical, or square parts", "true" ] }, { "ans": [ "Gaskets, shims, and plates", "false" ] }, { "ans": [ "Cylindrical, spherical, or square parts", "false" ] } ] }, { "ch": "What are defined as a graphic representation of an assembly or system, indicating the various parts and expressing the methods or principles of operation ?", "ansGr": [ { "ans": [ "Diagrams", "true" ] }, { "ans": [ "Drawings", "false" ] }, { "ans": [ "Flowcharts", "false" ] } ] }, { "ch": "What are used to illustrate a particular sequence, or flow of events?", "ansGr": [ { "ans": [ "Flowcharts", "true" ] }, { "ans": [ "Drawings", "false" ] }, { "ans": [ "Diagrams", "false" ] } ] }, { "ch": "What are lines that are made up of alternate long and short dashes?", "ansGr": [ { "ans": [ "Centerline", "true" ] }, { "ans": [ "Dimension Lines", "false" ] }, { "ans": [ "Extension Lines", "false" ] } ] }, { "ch": "What are desired fits conform to those set up in the American Standard for Tolerances, Allowances, and Gauges for Metal Fits ?", "ansGr": [ { "ans": [ "The tolerance and allowance", "true" ] }, { "ans": [ "Tolerance and allowable error", "false" ] }, { "ans": [ "Permissible variation and error", "false" ] } ] }, { "ch": "What are in drawing that are composed largely of symbols and conventions representing its shape and material ?", "ansGr": [ { "ans": [ "Drawing Symbols", "true" ] }, { "ans": [ "Interpreting Drawings", "false" ] }, { "ans": [ "Diagrams", "false" ] } ] }, { "ch": "Aircraft technicians necessarily need to be accomplished in making drawings?", "ansGr": [ { "ans": [ "A working knowledge of the information that is to be conveyed", "true" ] }, { "ans": [ "Necessarily need to be accomplished in making drawings", "false" ] }, { "ans": [ "The ability to construct each detail in the aircraft technical drawing", "false" ] } ] }, { "ch": "A drawing can be read all at once ?", "ansGr": [ { "ans": [ "A drawing can be read all at once", "true" ] }, { "ans": [ "A whole page of print must be read a line at a time", "false" ] }, { "ans": [ "Read a drawing effectively, follow a systematic procedure.", "false" ] } ] }, { "ch": "In what can drawings be dimensioned ?", "ansGr": [ { "ans": [ "Decimals or fractions", "true" ] }, { "ans": [ "Decimals only", "false" ] }, { "ans": [ "Fractions only", "false" ] } ] }, { "ch": "What is a simple rough drawing that is made rapidly and without much detail ?", "ansGr": [ { "ans": [ "Drawing Sketches", "true" ] }, { "ans": [ "Drawing Symbols", "false" ] }, { "ans": [ "Diagrams", "false" ] } ] }, { "ch": "Why does industry use drawings to describe objects?", "ansGr": [ { "ans": [ "To avoid these possible errors (impractical, misunderstandings, misplacing and misinterpretations)", "true" ] }, { "ans": [ "Because of ideas is essential to everyone.", "false" ] }, { "ans": [ "Because of the use of the oral or written word alone is practical", "false" ] } ] }, { "ch": "How can you care drawings?", "ansGr": [ { "ans": [ "Open drawings slowly, carefully and smooth out the fold lines instead of bending them backward", "true" ] }, { "ans": [ "Spread them on the floor or lay them on a surface covered with tools or other objects", "false" ] }, { "ans": [ "Hands should be oil, grease, or other unclean", "false" ] } ] }, { "ch": "What is the drawing that descrip of an object made up of two or more parts?", "ansGr": [ { "ans": [ "Assembly Drawing", "true" ] }, { "ans": [ "Detail Drawing", "false" ] }, { "ans": [ "Installation Drawing", "false" ] } ] }, { "ch": "What is the drawing that descrip of a single part, describing by lines, notes, and symbols the specifications for size, shape, material, and methods of manufacture to be used in making the part?", "ansGr": [ { "ans": [ "Detail Drawing", "true" ] }, { "ans": [ "Assembly Drawing", "false" ] }, { "ans": [ "Installation Drawing", "false" ] } ] }, { "ch": "What is the drawing which includes all necessary information for a part or an assembly in the final installed position in the aircraft?", "ansGr": [ { "ans": [ "Installation Drawing", "true" ] }, { "ans": [ "Detail Drawing", "false" ] }, { "ans": [ "Assembly Drawing", "false" ] } ] }, { "ch": "What is the section that drawn directly on the exterior view shows the shape of the cross section of a part ?", "ansGr": [ { "ans": [ "Revolved Section", "true" ] }, { "ans": [ "Half Section", "false" ] }, { "ans": [ "Full Section", "false" ] } ] }, { "ch": "What is a numbering system used on large assemblies for?", "ansGr": [ { "ans": [ "To locate stations such as fuselage stations.", "true" ] }, { "ans": [ "To the numbers and letters printed on the borders of a map.", "false" ] }, { "ans": [ "Drawings for various reasons", "false" ] } ] }, { "ch": "What are Notes are added to drawings for?", "ansGr": [ { "ans": [ "Refer to methods of attachment or construction, give alternatives, so that the drawing can be used for different styles of the same object", "true" ] }, { "ans": [ "To locate stations such as fuselage stations.", "false" ] }, { "ans": [ "To the numbers and letters printed on the borders of a map.", "false" ] } ] }, { "ch": "How many view to show an object clearly ?", "ansGr": [ { "ans": [ "6", "true" ] }, { "ans": [ "5", "false" ] }, { "ans": [ "3", "false" ] } ] }, { "ch": "What are One-view drawings commonly used for objects of?", "ansGr": [ { "ans": [ "Gaskets, shims, and plates", "true" ] }, { "ans": [ "Complex equipments", "false" ] }, { "ans": [ "Complex parts", "false" ] } ] }, { "ch": "What are often represented by half views when space is limited and two views must be shown ?", "ansGr": [ { "ans": [ "Symmetrical objects", "true" ] }, { "ans": [ "One complete view", "false" ] }, { "ans": [ "Detail views", "false" ] } ] }, { "ch": "What is usually encircled by a heavy line on the principal view?", "ansGr": [ { "ans": [ "Detail View", "true" ] }, { "ans": [ "One-view", "false" ] }, { "ans": [ "Three-view", "false" ] } ] }, { "ch": "In what are drawings that lines of an object are not parallel and therefore the actual angles and dimensions are not accurate ?", "ansGr": [ { "ans": [ "Perspective Drawings", "true" ] }, { "ans": [ "Isometric Drawings", "false" ] }, { "ans": [ "Oblique Drawings", "false" ] } ] }, { "ch": "In what are drawings that lines are parallel, dimensioned as they are in an orthographic projection and the three drawing axes are not always at right angles to each other?", "ansGr": [ { "ans": [ "Isometric Drawings", "true" ] }, { "ans": [ "Perspective Drawings", "false" ] }, { "ans": [ "Oblique Drawings", "false" ] } ] }, { "ch": "In what are drawings that lines are parallel, dimensioned as they are in an orthographic projection and the three drawing axes are always at right angles to each other?", "ansGr": [ { "ans": [ "Oblique Drawings", "true" ] }, { "ans": [ "Isometric Drawings", "false" ] }, { "ans": [ "Perspective Drawings", "false" ] } ] }, { "ch": "What is a pictorial drawing of two or more parts that fit together as an assembly?", "ansGr": [ { "ans": [ "Exploded View Drawings", "true" ] }, { "ans": [ "Perspective Drawings", "false" ] }, { "ans": [ "Isometric Drawings", "false" ] } ] }, { "ch": "What are Diagrams that dentifies each of the components in the systems and shows their detail location in the aircraft ?", "ansGr": [ { "ans": [ "Installation Diagrams", "true" ] }, { "ans": [ "Schematic Diagrams", "false" ] }, { "ans": [ "Block Diagrams", "false" ] } ] }, { "ch": "What are Diagrams that locate components with respect to each other within the system ?", "ansGr": [ { "ans": [ "Schematic Diagrams", "true" ] }, { "ans": [ "Installation Diagrams", "false" ] }, { "ans": [ "Block Diagrams", "false" ] } ] }, { "ch": "What are Diagrams that are used mainly in troubleshooting ?", "ansGr": [ { "ans": [ "Schematic Diagrams", "true" ] }, { "ans": [ "Installation Diagrams", "false" ] }, { "ans": [ "Block Diagrams", "false" ] } ] }, { "ch": "What are Diagrams that are are used to show a simplified relationship of a more complex system of components?", "ansGr": [ { "ans": [ "Block Diagrams", "true" ] }, { "ans": [ "Schematic Diagrams", "false" ] }, { "ans": [ "Installation Diagrams", "false" ] } ] }, { "ch": "What are Diagrams that show the electrical wiring and circuitry, coded for identification, of all the electrical appliances and devices used on aircraft?", "ansGr": [ { "ans": [ "Wiring Diagrams", "true" ] }, { "ans": [ "Block Diagrams", "false" ] }, { "ans": [ "Schematic Diagrams", "false" ] } ] }, { "ch": "What are Flowcharts that are frequently used for the detection of faulty components?", "ansGr": [ { "ans": [ "Trouble Shooting Flowchart", "true" ] }, { "ans": [ "Logic Flowchart", "false" ] }, { "ans": [ "Block Flowchart", "false" ] } ] }, { "ch": "What are Flowcharts that consist of a series of yes or no questions?", "ansGr": [ { "ans": [ "Trouble Shooting Flowchart", "true" ] }, { "ans": [ "Logic Flowchart", "false" ] }, { "ans": [ "Block Flowchart", "false" ] } ] }, { "ch": "What are Flowcharts that uses standardized symbols to indicate specific types of logic gates and their relationship to other digital devices in a system?", "ansGr": [ { "ans": [ "Logic Flowchart", "true" ] }, { "ans": [ "Trouble Shooting Flowchart", "false" ] }, { "ans": [ "Block Flowchart", "false" ] } ] }, { "ch": "What are Flowcharts that consist of individual components that take an input and determine the digital output or outputs?", "ansGr": [ { "ans": [ "Logic Flowchart", "true" ] }, { "ans": [ "Trouble Shooting Flowchart", "false" ] }, { "ans": [ "Block Flowchart", "false" ] } ] }, { "ch": "What are lines that indicate the center of an object or part of an object?", "ansGr": [ { "ans": [ "Centerline", "true" ] }, { "ans": [ "Dimension Lines", "false" ] }, { "ans": [ "Extension Lines", "false" ] } ] }, { "ch": "What are lines that broken at the midpoint for insertion of measurement indications, and having opposite pointing arrowheads at each end to show origin and termination of a measurement ?", "ansGr": [ { "ans": [ "Dimension Lines", "true" ] }, { "ans": [ "Centerline", "false" ] }, { "ans": [ "Extension Lines", "false" ] } ] }, { "ch": "What is the letter that the dimension of an arc is given in terms of its radius and is marked with ?", "ansGr": [ { "ans": [ "the letter R", "true" ] }, { "ans": [ "the letter D", "false" ] }, { "ans": [ "the letter C", "false" ] } ] }, { "ch": "What is the letter that the dimensions of circular parts are always given in terms of the diameter of the circle and are usually marked with ?", "ansGr": [ { "ans": [ "the letter D", "true" ] }, { "ans": [ "the letter R", "false" ] }, { "ans": [ "the letter C", "false" ] } ] }, { "ch": "What are dimensions usually given in dimensioning distances between holes in an object ?", "ansGr": [ { "ans": [ "From center to center of the holes", "true" ] }, { "ans": [ "From outside to outside of the holes", "false" ] }, { "ans": [ "From inside to outside of the holes", "false" ] } ] }, { "ch": "What is allowance that is given for a force fit?", "ansGr": [ { "ans": [ "A negative allowance", "true" ] }, { "ans": [ "A positive allowance", "false" ] }, { "ans": [ "The dimensions of allowance", "false" ] } ] }, { "ch": "What is allowance that indicated for a part that is to slide or revolve upon another part?", "ansGr": [ { "ans": [ "A positive allowance", "true" ] }, { "ans": [ "A negative allowance", "false" ] }, { "ans": [ "The dimensions of allowance", "false" ] } ] }, { "ch": "What are lines that used to extend the line showing the side or edge of a figure for the purpose of placing a dimension to that side or edge ?", "ansGr": [ { "ans": [ "Extension Lines", "true" ] }, { "ans": [ "Centerline", "false" ] }, { "ans": [ "Dimension Lines", "false" ] } ] }, { "ch": "What are lines that indicate the exposed surfaces of an object in sectional view ?", "ansGr": [ { "ans": [ "Sectioning Lines", "true" ] }, { "ans": [ "Extension Lines", "false" ] }, { "ans": [ "Phantom Lines", "false" ] } ] }, { "ch": "What are lines that composed of one long and two short evenly spaced dashes, indicate the alternate position of parts of the object ?", "ansGr": [ { "ans": [ "Phantom Lines", "true" ] }, { "ans": [ "Extension Lines", "false" ] }, { "ans": [ "Sectioning Lines", "false" ] } ] }, { "ch": "What are lines that indicate that a portion of the object is not shown on the drawing ?", "ansGr": [ { "ans": [ "Break Lines", "true" ] }, { "ans": [ "Phantom Lines", "false" ] }, { "ans": [ "Sectioning Lines", "false" ] } ] }, { "ch": "What are lines that are solid lines with one arrowhead and indicate a part or portion to which a note, number, or other reference applies ?", "ansGr": [ { "ans": [ "Leader Lines", "true" ] }, { "ans": [ "Break Lines", "false" ] }, { "ans": [ "Phantom Lines", "false" ] } ] }, { "ch": "What are lines that indicate invisible edges or contours ?", "ansGr": [ { "ans": [ "Hidden Lines", "true" ] }, { "ans": [ "Leader Lines", "false" ] }, { "ans": [ "Break Lines", "false" ] } ] }, { "ch": "What are lines that is used for all lines on the drawing representing visible lines on the object ?", "ansGr": [ { "ans": [ "Outline or Visible Lines", "true" ] }, { "ans": [ "Hidden Lines", "false" ] }, { "ans": [ "Leader Lines", "false" ] } ] }, { "ch": "What are symbols that show the kind of material from which the part is to be constructed ?", "ansGr": [ { "ans": [ "Material Symbols", "true" ] }, { "ans": [ "Shape Symbols", "false" ] }, { "ans": [ "Electrical Symbols", "false" ] } ] }, { "ch": "What are symbols that used to excellent advantage when needed to show the shape of an object ?", "ansGr": [ { "ans": [ "Shape Symbols", "true" ] }, { "ans": [ "Material Symbols", "false" ] }, { "ans": [ "Electrical Symbols", "false" ] } ] }, { "ch": "What are symbols that represent various electrical devices rather than an actual drawing of the units ?", "ansGr": [ { "ans": [ "Electrical Symbols", "true" ] }, { "ans": [ "Shape Symbols", "false" ] }, { "ans": [ "Material Symbols", "false" ] } ] }, { "ch": "What is the first step in reading a multi-view drawing ?", "ansGr": [ { "ans": [ "Geting a general idea of the shape of the object by scanning all the views", "true" ] }, { "ans": [ "Selecting one view for a more careful study", "false" ] }, { "ans": [ "Referring back and forth to the adjacent view", "false" ] } ] }, { "ch": "What is the first step To make a sketch ?", "ansGr": [ { "ans": [ "Determine what views are necessary to portray the object; then block in the views, using light construction lines", "true" ] }, { "ans": [ "Complete the details, darken the object outline, and sketch extension and dimension lines", "false" ] }, { "ans": [ "Add notes, dimensions, title, date, and when necessary, the sketcher’s name", "false" ] } ] }, { "ch": "What is the last step To make a sketch ?", "ansGr": [ { "ans": [ "Add notes, dimensions, title, date, and when necessary, the sketcher’s name", "true" ] }, { "ans": [ "Determine what views are necessary to portray the object; then block in the views, using light construction lines", "false" ] }, { "ans": [ "Complete the details, darken the object outline, and sketch extension and dimension lines", "false" ] } ] }, { "ch": "Why do you care given to good drawing instruments during their use and storage will prolong their service life ?", "ansGr": [ { "ans": [ "Because they are expensive precision tools", "true" ] }, { "ans": [ "Because they are cheap precision tools", "false" ] }, { "ans": [ "Good drawing tools are expensive, heavy-duty equipment", "false" ] } ] }, { "ch": "What are images that can be extremely helpful to aviation maintenance technicians in evaluating and sharing information?", "ansGr": [ { "ans": [ "Digital Images", "true" ] }, { "ans": [ "Nomograms", "false" ] }, { "ans": [ "Microfilm", "false" ] } ] }, { "ch": "What is the latest organization standard for electronic documentation ?", "ansGr": [ { "ans": [ "ATA iSpec 2200", "true" ] }, { "ans": [ "ATA Spec 100", "false" ] }, { "ans": [ "ATA Spec 2100", "false" ] } ] }, { "ch": "What is this standard based on approval of military hardware for the civilian aerospace industry ?", "ansGr": [ { "ans": [ "NAS (National Aerospace Standard)", "true" ] }, { "ans": [ "BS (British Standards)", "false" ] }, { "ans": [ "MS (Military Standard)", "false" ] } ] }, { "ch": "ISO published standards are", "ansGr": [ { "ans": [ "Voluntary", "true" ] }, { "ans": [ "Obligatory", "false" ] }, { "ans": [ "Mandatory", "false" ] } ] }, { "ch": "Compasses, dividers, and pens should be ?", "ansGr": [ { "ans": [ "Correctly shaped and sharpened", "true" ] }, { "ans": [ "Careless handling", "false" ] }, { "ans": [ "Contact with other tools or equipment", "false" ] } ] }, { "ch": "What is Aircraft technicians must have ?", "ansGr": [ { "ans": [ "A working knowledge of the information that is to be conveyed to them", "true" ] }, { "ans": [ "Accomplished in making drawings", "false" ] }, { "ans": [ "Doing all things of Drawings", "false" ] } ] }, { "ch": "For precision work what are sizes given in ?", "ansGr": [ { "ans": [ "Decimals.", "true" ] }, { "ans": [ "Positive integer", "false" ] }, { "ans": [ "Integer", "false" ] } ] }, { "ch": "Why are various kinds of standardized lines are used on aircraft drawings ?", "ansGr": [ { "ans": [ "If the same kind of line is used to show all of these variations, a drawing becomes a meaningless collection of lines", "true" ] }, { "ans": [ "If the same kind of line is used to show all of these variations, a drawing becomes will become very difficult to read", "false" ] }, { "ans": [ "If the same kind of line is used to show all of these variations, a drawing becomes will become information disorder", "false" ] } ] }, { "ch": "The largest drill letrer size is", "ansGr": [ { "ans": [ "Letter Z", "true" ] }, { "ans": [ "Letter A", "false" ] }, { "ans": [ "Letter O", "false" ] } ] }, { "ch": "The accuracy of holes drilled with a two fluted twist drill depends on", "ansGr": [ { "ans": [ "The length of the drill.", "true" ] }, { "ans": [ "The speed of the drill.", "false" ] }, { "ans": [ "The material of the drill", "false" ] } ] }, { "ch": "How many classifications of fit?", "ansGr": [ { "ans": [ "There are 3.", "true" ] }, { "ans": [ "There are 2.", "false" ] }, { "ans": [ "There are 4.", "false" ] } ] }, { "ch": "What is the difinition of \"tolerances\"?", "ansGr": [ { "ans": [ "Tolerance is the total amount of variation in the size of a part or feature on a part.", "true" ] }, { "ans": [ "Tolerance is the maximum of a part or feature on a part.", "false" ] }, { "ans": [ "Tolerance is the minimum of a part or feature on a part.", "false" ] } ] }, { "ch": "How many types of tolerances?", "ansGr": [ { "ans": [ "Ther are 2 type.", "true" ] }, { "ans": [ "Ther are 3 type.", "false" ] }, { "ans": [ "Ther are 4 type.", "false" ] } ] }, { "ch": "What Is the purpose of feeler gauges?", "ansGr": [ { "ans": [ "To meeasure the amount of bow in a structural member?", "true" ] }, { "ans": [ "To measure the size of drill to be used.", "false" ] }, { "ans": [ "To measure the size of drill to be used.", "false" ] } ] }, { "ch": "What is clearance between a shaft and bearing?", "ansGr": [ { "ans": [ "A positive allowance between mating parts", "true" ] }, { "ans": [ "A type of surface coating used in bearings", "false" ] }, { "ans": [ "A groove that prevents overheating in rotation", "false" ] } ] }, { "ch": "What is the purpose of a Schedule of Fits and Clearances?", "ansGr": [ { "ans": [ "To list allowable wear and fit limits for parts", "true" ] }, { "ans": [ "To identify engine oil pressure ranges", "false" ] }, { "ans": [ "To calibrate instruments used during assembly", "false" ] } ] }, { "ch": "What does 'bow' mean in relation to a shaft?", "ansGr": [ { "ans": [ "A condition where the shaft is not straight along its centerline", "true" ] }, { "ans": [ "A twisting deformation from torque loading", "false" ] }, { "ans": [ "A surface dent along the outside of the shaft", "false" ] } ] }, { "ch": "What causes permanent twist in a shaft?", "ansGr": [ { "ans": [ "Loading above its elastic limit", "true" ] }, { "ans": [ "Exposure to freezing temperatures", "false" ] }, { "ans": [ "Excessive radial movement at rest", "false" ] } ] }, { "ch": "What is 'Dimension New' in wear tables?", "ansGr": [ { "ans": [ "The original part size with manufacturing tolerances", "true" ] }, { "ans": [ "The smallest allowable dimension after wear", "false" ] }, { "ans": [ "The amount of expansion due to thermal effects", "false" ] } ] }, { "ch": "What does 'ovality' refer to?", "ansGr": [ { "ans": [ "Deformation of a circular shape into an oval", "true" ] }, { "ans": [ "Corrosion appearing in circular patterns", "false" ] }, { "ans": [ "A polishing method to reduce friction", "false" ] } ] }, { "ch": "What tool is used to check clearance between a straight edge and a bowed member?", "ansGr": [ { "ans": [ "Feeler gauge", "true" ] }, { "ans": [ "Torque wrench", "false" ] }, { "ans": [ "Protractor", "false" ] } ] }, { "ch": "What indicates a twisted shaft using witness marks?", "ansGr": [ { "ans": [ "The witness line is no longer straight", "true" ] }, { "ans": [ "The shaft surface becomes discolored", "false" ] }, { "ans": [ "The shaft rotates more smoothly under load", "false" ] } ] }, { "ch": "What instrument can be used to check ovality of a hole?", "ansGr": [ { "ans": [ "Go/No-Go gauge", "true" ] }, { "ans": [ "Screw extractor", "false" ] }, { "ans": [ "Vernier height gauge", "false" ] } ] }, { "ch": "What is EWIS stand for?", "ansGr": [ { "ans": [ "Electrical Wiring Interconnection System", "true" ] }, { "ans": [ "Electrical Warning Indication System", "false" ] }, { "ans": [ "Electronic Warning Indication System", "false" ] } ] }, { "ch": "Insulation resistance can be measured with:", "ansGr": [ { "ans": [ "Megohmmeter", "true" ] }, { "ans": [ "Multimeter", "false" ] }, { "ans": [ "Ohmmeter", "false" ] } ] }, { "ch": "What are the three bonding requirements?", "ansGr": [ { "ans": [ "Equipment bonding, Metallic surface bonding and Static bonds", "true" ] }, { "ans": [ "Electrical bonding, Metallic surface bonding and Static bonds", "false" ] }, { "ans": [ "Equipment bonding, Metallic surface bonding and Dynamic bonds", "false" ] } ] }, { "ch": "What are two types of crimping tool?", "ansGr": [ { "ans": [ "Hand and hydraulic crimping tool", "true" ] }, { "ans": [ "Hand and electrical crimping tool", "false" ] }, { "ans": [ "Electrical and hydraulic crimping tool", "false" ] } ] }, { "ch": "What is color of removal half of insertion and extraction tools?", "ansGr": [ { "ans": [ "White", "true" ] }, { "ans": [ "Blue", "false" ] }, { "ans": [ "Yellow", "false" ] } ] }, { "ch": "Simple coaxial cable testing can be done with:", "ansGr": [ { "ans": [ "An ohmmeter", "true" ] }, { "ans": [ "A miliohmeter", "false" ] }, { "ans": [ "Volmeter", "false" ] } ] }, { "ch": "Identification markings should be placed at each end of the wire and at:", "ansGr": [ { "ans": [ "15-inch maximum intervals along the length of the wire", "true" ] }, { "ans": [ "15-inch minimum intervals along the length of the wire", "false" ] }, { "ans": [ "15-centimet maximum intervals along the length of the wire", "false" ] } ] }, { "ch": "Which wire need not be identified?", "ansGr": [ { "ans": [ "Wires less than 3 inches in length", "true" ] }, { "ans": [ "Wires less than 10 inches in length", "false" ] }, { "ans": [ "Wires less than 8 inches in length", "false" ] } ] }, { "ch": "Which wires should be identified approximately at the center?", "ansGr": [ { "ans": [ "Wires 3 to 7 inches in length", "true" ] }, { "ans": [ "Wires 8 to 18 inch in length", "false" ] }, { "ans": [ "Wires 5 to 8 cm in length", "false" ] } ] }, { "ch": "Wire bundles should generally be:", "ansGr": [ { "ans": [ "Less than 75 wires", "true" ] }, { "ans": [ "Less than 15 wires", "false" ] }, { "ans": [ "5-10 cm in diameter", "false" ] } ] }, { "ch": "The wire bundles are often called:", "ansGr": [ { "ans": [ "Wire harnesses", "true" ] }, { "ans": [ "Wire cable", "false" ] }, { "ans": [ "Wire groups", "false" ] } ] }, { "ch": "The minimum separation between wiring and movable controls must be at least:", "ansGr": [ { "ans": [ "1⁄2-inch", "true" ] }, { "ans": [ "1-inch", "false" ] }, { "ans": [ "2-inch", "false" ] } ] }, { "ch": "Conduit is manufactured in:", "ansGr": [ { "ans": [ "Metallic and nonmetallic materials", "true" ] }, { "ans": [ "Metallic materials", "false" ] }, { "ans": [ "Nonmetallic materials", "false" ] } ] }, { "ch": "Normally, deflection between support points of wire groups or bundles should not exceed:", "ansGr": [ { "ans": [ "1⁄2-inch", "true" ] }, { "ans": [ "1-inch", "false" ] }, { "ans": [ "2-inch", "false" ] } ] }, { "ch": "The number of basic EWIS inspections exist are:", "ansGr": [ { "ans": [ "Three", "true" ] }, { "ans": [ "Five", "false" ] }, { "ans": [ "Six", "false" ] } ] }, { "ch": "What are two fundamental properties of insulation materials?", "ansGr": [ { "ans": [ "Insulation resistance and dielectric strength", "true" ] }, { "ans": [ "Insulation resistance and impedance resistance", "false" ] }, { "ans": [ "Insulation resistance and capacitance", "false" ] } ] }, { "ch": "Insulation resistance can be measured with a megohmmeter insulation tester without:", "ansGr": [ { "ans": [ "Damaging the insulation", "true" ] }, { "ans": [ "Damaging the conductor", "false" ] }, { "ans": [ "Damaging the cable", "false" ] } ] }, { "ch": "To minimize the interaction between various return currents:", "ansGr": [ { "ans": [ "Different types of ground should be identified and used", "true" ] }, { "ans": [ "One type of ground should be identified and used", "false" ] }, { "ans": [ "Connect them to the same ground point", "false" ] } ] }, { "ch": "An interaction of the currents occurs. If wires carrying return currents from different types of sources:", "ansGr": [ { "ans": [ "Are connected to the same ground point or have a common connection in the return paths", "true" ] }, { "ans": [ "Are connected to the individual ground point or have a separate connection in the return paths", "false" ] }, { "ans": [ "Are connected to the same source or have a common connection in the return paths", "false" ] } ] }, { "ch": "The maximum resistance of all bond and ground connections should be:", "ansGr": [ { "ans": [ "0.003 ohm", "true" ] }, { "ans": [ "0.005 ohm", "false" ] }, { "ans": [ "0.05 ohm", "false" ] } ] }, { "ch": "Bonding jumpers should be made:", "ansGr": [ { "ans": [ "As short as practicable", "true" ] }, { "ans": [ "As long as practicable", "false" ] }, { "ans": [ "As bonding lead", "false" ] } ] }, { "ch": "Copper wire can be stripped in a number of ways depending on:", "ansGr": [ { "ans": [ "The size and insulation", "true" ] }, { "ans": [ "The size and material", "false" ] }, { "ans": [ "The wire manufacture", "false" ] } ] }, { "ch": "To prevent the terminals on adjacent studs from contacting each other:", "ansGr": [ { "ans": [ "A terminal strip fitted with barriers may be used", "true" ] }, { "ans": [ "A spacer should be install to separate", "false" ] }, { "ans": [ "The terminal should be shiled before install", "false" ] } ] }, { "ch": "The maximum terminal lugs should be connected to any one stud are:", "ansGr": [ { "ans": [ "Four terminal lugs", "true" ] }, { "ans": [ "Three terminal lugs", "false" ] }, { "ans": [ "No limit", "false" ] } ] }, { "ch": "With copper wire terminals. Spacers or washers:", "ansGr": [ { "ans": [ "Should not be used between the tongues of terminal lugs", "true" ] }, { "ans": [ "Must be used between the tongues of terminal lugs", "false" ] }, { "ans": [ "Are used to separate the terminal lugs", "false" ] } ] }, { "ch": "The aluminum terminal lugs:", "ansGr": [ { "ans": [ "Should be crimped to aluminum wire only", "true" ] }, { "ans": [ "Should not be crimped to aluminum wire", "false" ] }, { "ans": [ "Should be crimped to aluminum and wires", "false" ] } ] }, { "ch": "Pre-insulated terminal lugs and splices must be installed using:", "ansGr": [ { "ans": [ "A high-quality crimping tool", "true" ] }, { "ans": [ "A non positioners crimping tool", "false" ] }, { "ans": [ "A non adjustable crimping tool", "false" ] } ] }, { "ch": "Junction boxes that are used in high- temperature areas should be made of:", "ansGr": [ { "ans": [ "Stainless steel", "true" ] }, { "ans": [ "Copper", "false" ] }, { "ans": [ "Alluminum", "false" ] } ] }, { "ch": "What size of cable that a white/blue insertion-extraction tool would be used on?", "ansGr": [ { "ans": [ "16", "true" ] }, { "ans": [ "22", "false" ] }, { "ans": [ "20", "false" ] } ] }, { "ch": "What size of cable that a white/red insertion-extraction tool would be used on?", "ansGr": [ { "ans": [ "20", "true" ] }, { "ans": [ "22", "false" ] }, { "ans": [ "16", "false" ] } ] }, { "ch": "What is the minimum radius of bends in wire groups or bundles?", "ansGr": [ { "ans": [ "10 times the outside diameter of the largest wire or cable", "true" ] }, { "ans": [ "10 times the outside diameter of the wire bundles", "false" ] }, { "ans": [ "5 times the outside diameter of the largest wire or cable", "false" ] } ] }, { "ch": "The RF cables (e.g., coaxial and triaxial) are bent at a radius of:", "ansGr": [ { "ans": [ "No less than six times the outside diameter of the cable", "true" ] }, { "ans": [ "Less than six times the outside diameter of the cable", "false" ] }, { "ans": [ "No less than 10 times the outside diameter of the cable", "false" ] } ] }, { "ch": "Wires and wire bundles must be supported by:", "ansGr": [ { "ans": [ "Clamps or plastic cable straps", "true" ] }, { "ans": [ "Clamps or metalic rails", "false" ] }, { "ans": [ "Clamps or tie wraps", "false" ] } ] }, { "ch": "Clamps and other primary support devices should be spaced at intervals:", "ansGr": [ { "ans": [ "Not exceeding 24 inches", "true" ] }, { "ans": [ "Not less than 24 inches", "false" ] }, { "ans": [ "Not exceeding 24 cm", "false" ] } ] }, { "ch": "To maintain clearance between the wires and the structure:", "ansGr": [ { "ans": [ "Stand-offs should be used", "true" ] }, { "ans": [ "Spacers should be used", "false" ] }, { "ans": [ "Tapes or tubing should be used", "false" ] } ] }, { "ch": "The size of proper conduit for electrical wires must be", "ansGr": [ { "ans": [ "25% larger than the maximum diameter of wires", "true" ] }, { "ans": [ "75% larger than the maximum diameter of wires", "false" ] }, { "ans": [ "100% larger than the average diameter of wires", "false" ] } ] }, { "ch": "A hole is placed in the lowest point of electrical cable conduit:", "ansGr": [ { "ans": [ "To allow for drainage of moisture", "true" ] }, { "ans": [ "To secure the conduit to a piece of aircraft structure", "false" ] }, { "ans": [ "To allow for pull-through of the cables", "false" ] } ] }, { "ch": "In certain applications, heat shrinkable tubing may be an appropriate alternative to:", "ansGr": [ { "ans": [ "Flexible conduit", "true" ] }, { "ans": [ "Rigid conduit", "false" ] }, { "ans": [ "All type of conduit", "false" ] } ] }, { "ch": "Which tool is used as the heat source to heat shrink wrap?", "ansGr": [ { "ans": [ "Hot-air gun or compressed air heater", "true" ] }, { "ans": [ "Hot-air gun or electrical heater", "false" ] }, { "ans": [ "Hot-air gun or compressed air heater", "false" ] } ] }, { "ch": "Which heat gun is prefered?", "ansGr": [ { "ans": [ "Pneumatic powered gun", "true" ] }, { "ans": [ "Electric heat guns", "false" ] }, { "ans": [ "Hot-air gun", "false" ] } ] }, { "ch": "In conventional wiring systems, depending on each circuit’s shielding requirement called out for in the engineering documentation, circuits are shielded:", "ansGr": [ { "ans": [ "Individually, in pairs, triples, or quads", "true" ] }, { "ans": [ "Individually, in pairs, triples, or multi", "false" ] }, { "ans": [ "Individually, in pairs or triples", "false" ] } ] }, { "ch": "Which shielding is recommended to use?", "ansGr": [ { "ans": [ "Shielding with 85 percent coverage or greater", "true" ] }, { "ans": [ "Shielding with 50 percent coverage or greater", "false" ] }, { "ans": [ "Shielding with 10 percent coverage or greater", "false" ] } ] }, { "ch": "Operators are required to inspect EWIS frequently and provide:", "ansGr": [ { "ans": [ "Better training to maintenance personnel", "true" ] }, { "ans": [ "Better maintenance program", "false" ] }, { "ans": [ "Properly inspection methods", "false" ] } ] }, { "ch": "Three basic EWIS inspections are:", "ansGr": [ { "ans": [ "General visual inspection, stand-alone general visual inspection and detailed inspection", "true" ] }, { "ans": [ "General visual inspection, detailed inspection and special inspection", "false" ] }, { "ans": [ "General visual inspection, general zonal inspection and detailed inspection", "false" ] } ] }, { "ch": "For maintaining a clean EWIS. You should:", "ansGr": [ { "ans": [ "Follow manufacturer’s and operator’s guidance", "true" ] }, { "ans": [ "Follow manufacturer’s guidance", "false" ] }, { "ans": [ "Follow operator’s guidance", "false" ] } ] }, { "ch": "The EWIS does not include:", "ansGr": [ { "ans": [ "Electrical equipment or avionics qualified to acceptable environmental conditions and testing procedures", "true" ] }, { "ans": [ "Termination devices and avionics qualified to acceptable environmental conditions and testing procedures", "false" ] }, { "ans": [ "Termination devices, electrical equipment and avionics component to acceptable environmental conditions", "false" ] } ] }, { "ch": "Insulation resistance is:", "ansGr": [ { "ans": [ "The resistance to current leakage through and over the surface of insulation materials", "true" ] }, { "ans": [ "The resistance to current leakage through and over the area of conduction materials", "false" ] }, { "ans": [ "The resistance to voltage leakage through and over the surface of conduction materials", "false" ] } ] }, { "ch": "Maximum dielectric strength values can be measured:", "ansGr": [ { "ans": [ "By raising the voltage of a test sample until the insulation breaks down", "true" ] }, { "ans": [ "By raising the curent of a test sample until the insulation breaks down", "false" ] }, { "ans": [ "By lowering the voltage of a test sample until the insulation breaks down", "false" ] } ] }, { "ch": "Mixing return currents from various sources will cause:", "ansGr": [ { "ans": [ "Noise is coupled from one source to another and can be a major problem for digital systems", "true" ] }, { "ans": [ "Signal is coupled from one source to another and can be amplify for digital systems", "false" ] }, { "ans": [ "Signal is coupled from one source to another and can be a minor problem for digital systems", "false" ] } ] }, { "ch": "What are ground return circuits should have for satisfactory operation of the connected electrical and electronic equipment?", "ansGr": [ { "ans": [ "A current rating and voltage drop adequate", "true" ] }, { "ans": [ "A voltage rating and current drop adequate", "false" ] }, { "ans": [ "A current and voltage drop adequate", "false" ] } ] }, { "ch": "The design of the ground return circuit should be given:", "ansGr": [ { "ans": [ "As much attention as the other leads of a circuit", "true" ] }, { "ans": [ "More attention than the other leads of a circuit", "false" ] }, { "ans": [ "Less attention than the other leads of a circuit", "false" ] } ] }, { "ch": "Which components that power ground connections must be attached to individual grounding brackets?", "ansGr": [ { "ans": [ "Generators, transformer rectifiers, batteries, external power receptacles, and other heavy- current loads", "true" ] }, { "ans": [ "Generators, generator control unit, batteries, external power receptacles, and other heavy- current loads", "false" ] }, { "ans": [ "Generators, current tranformer, batteries, external power receptacles, and other heavy-current loads", "false" ] } ] }, { "ch": "All isolated conducting parts inside and outside the aircraft, having an area:", "ansGr": [ { "ans": [ "Greater than 3 square inches and a linear dimension over 3 inches", "true" ] }, { "ans": [ "Greater than 5 square inches and a linear dimension over 5 inches", "false" ] }, { "ans": [ "Greater than 5 square inches and a linear dimension over 3 inches", "false" ] } ] }, { "ch": "For corrosion prevention. Copper jumpers should be used to bond together parts made of:", "ansGr": [ { "ans": [ "Stainless steel, cadmium plated steel, copper, brass, or bronze", "true" ] }, { "ans": [ "Stainless steel, aluminum alloy, copper, brass, or bronze", "false" ] }, { "ans": [ "Stainless steel, cadmium plated steel, aluminum alloy, brass, or bronze", "false" ] } ] }, { "ch": "Two or more operations should be performed to strip wire with hand operated wire stripper if the total stripping length exceeds.", "ansGr": [ { "ans": [ "0.75 inch", "true" ] }, { "ans": [ "0.50 inch", "false" ] }, { "ans": [ "0.25 inch", "false" ] } ] }, { "ch": "In high- temperature applications, the terminal temperature rating must be:", "ansGr": [ { "ans": [ "Greater than the ambient temperature plus current related temperature rise", "true" ] }, { "ans": [ "Smaller than the ambient temperature plus current related temperature rise", "false" ] }, { "ans": [ "Equal the ambient temperature plus current related temperature rise", "false" ] } ] }, { "ch": "When the terminal lugs attached to a stud vary in diameter:", "ansGr": [ { "ans": [ "The greatest diameter should be placed on the bottom and the smallest diameter on top", "true" ] }, { "ans": [ "The smallest diameter should be placed on the bottom and the greatest diameter on top", "false" ] }, { "ans": [ "A washer should be placed between the two adjacent terminal lugs", "false" ] } ] }, { "ch": "Environment-resistant connectors are used in applications where they are probably subjected to:", "ansGr": [ { "ans": [ "Fluids, vibration, heat, mechanical shock, corrosive elements, etc", "true" ] }, { "ans": [ "Fluids, vibration, heat, electrical shock, corrosive elements, etc", "false" ] }, { "ans": [ "Fluids, vibration, pressure, mechanical shock, corrosive elements, etc", "false" ] } ] }, { "ch": "Selected connectors must be rated for continuous operation under the maximum combination of:", "ansGr": [ { "ans": [ "Ambient temperature and circuit current load", "true" ] }, { "ans": [ "Voltage rate and circuit current load", "false" ] }, { "ans": [ "Voltage and current rating", "false" ] } ] }, { "ch": "The voltage derating is required when connectors are used:", "ansGr": [ { "ans": [ "At high altitude in non-pressurized areas", "true" ] }, { "ans": [ "At low altitude in pressurized areas", "false" ] }, { "ans": [ "At all altitude in non-pressurized areas", "false" ] } ] }, { "ch": "What is good number of spare contact on connectors?", "ansGr": [ { "ans": [ "Two spares on connectors with 25 or fewer contacts", "true" ] }, { "ans": [ "Two spares on connectors with 26 to 100 contacts", "false" ] }, { "ans": [ "Two spares on connectors with more than 100 contacts", "false" ] } ] }, { "ch": "What is good number of spare contact on connectors?", "ansGr": [ { "ans": [ "4 spares on connectors with 26 to 100 contacts", "true" ] }, { "ans": [ "4 spares on connectors with 25 or fewer contacts", "false" ] }, { "ans": [ "4 spares on connectors with more than 100 contacts", "false" ] } ] }, { "ch": "What is good number of spare contact on connectors?", "ansGr": [ { "ans": [ "6 spares on connectors with more than 100 contacts", "true" ] }, { "ans": [ "6 spares on connectors with 26 to 100 contacts", "false" ] }, { "ans": [ "6 spares on connectors with 25 or fewer contacts", "false" ] } ] }, { "ch": "To provide the maximum degree of safety and reliability to the aircraft. The connectors must be:", "ansGr": [ { "ans": [ "Kept to a minimum, selected, and installed", "true" ] }, { "ans": [ "Kept to a maximum, selected, and installed", "false" ] }, { "ans": [ "Kept to a minimum, removed and installed", "false" ] } ] }, { "ch": "On systems critical to flight safety, system operation wiring should be routed through:", "ansGr": [ { "ans": [ "Separate connectors from the wiring used for system failure warning", "true" ] }, { "ans": [ "Same connectors from the wiring used for system failure warning", "false" ] }, { "ans": [ "Same bundles with wiring used for system failure warning", "false" ] } ] }, { "ch": "Wires that perform the same function in redundant systems:", "ansGr": [ { "ans": [ "Must be routed through separate connectors", "true" ] }, { "ans": [ "Must be routed through same connector", "false" ] }, { "ans": [ "Must be routed through same bundle", "false" ] } ] }, { "ch": "In order to avoid mating of adjacent connectors. The djacent connector pairs must be:", "ansGr": [ { "ans": [ "Different in shell size, coupling means, insert arrangement, or keying arrangement", "true" ] }, { "ans": [ "Different number of contact, coupling means, insert arrangement, or keying arrangement", "false" ] }, { "ans": [ "Different color, coupling means, insert arrangement, or keying arrangement", "false" ] } ] }, { "ch": "Which connectors must be provided with a strain-relief-type back shell?", "ansGr": [ { "ans": [ "Connectors with very small size wiring, or subject to frequent maintenance activity, or located in high vibration areas", "true" ] }, { "ans": [ "Connectors with large size wiring, or subject to less maintenance activity, or located in high vibration areas", "false" ] }, { "ans": [ "Connectors with very small size wiring, or subject to frequent maintenance activity, or located in unpressurize areas", "false" ] } ] }, { "ch": "Coaxial cable can be severely damaged on the inside:", "ansGr": [ { "ans": [ "Without any evidence of damage on the outside", "true" ] }, { "ans": [ "With any evidence of damage on the outside", "false" ] }, { "ans": [ "Always unrelated maintenance actions around the coaxial cable", "false" ] } ] }, { "ch": "Which coaxial cables should not be used?", "ansGr": [ { "ans": [ "Coaxial cables with solid center conductors", "true" ] }, { "ans": [ "Coaxial cables with flexible center conductors", "false" ] }, { "ans": [ "Stranded center coaxial cables", "false" ] } ] }, { "ch": "When does the coaxial damage can occur?", "ansGr": [ { "ans": [ "When clamped too tightly, or when they are bent sharply", "true" ] }, { "ans": [ "When clamp is lossen, or when they are bent sharply", "false" ] }, { "ans": [ "When conductor wrapped too tightly, or when they are bent sharply", "false" ] } ] }, { "ch": "What are types of coaxial cable connectors?", "ansGr": [ { "ans": [ "BNC series connectors, TNC series connectors, N series connectors, C series connectors", "true" ] }, { "ans": [ "CNC series connectors, TNC series connectors, N series connectors, C series connectors", "false" ] }, { "ans": [ "CNC series connectors, NCN series connectors, N series connectors, C series connectors", "false" ] } ] }, { "ch": "What are coaxial cable precautions?", "ansGr": [ { "ans": [ "Never kink coaxial cable, never bend coaxial cable sharply and never loop coaxial cable tighter than the allowable bend radius", "true" ] }, { "ans": [ "Never kink coaxial cable, never pull on coaxial cable in a straight line and never loop coaxial cable tighter than the allowable bend radius", "false" ] }, { "ans": [ "Never kink coaxial cable, never pull on coaxial cable in a straight line and never drop anything on coaxial cable", "false" ] } ] }, { "ch": "What is the order of coaxial cable from inner to outer?", "ansGr": [ { "ans": [ "Conductor, dielectric insulator, metallic shield, plastic jacket", "true" ] }, { "ans": [ "Conductor, metallic shield, dielectric insulator, plastic jacket", "false" ] }, { "ans": [ "Conductor, semiconductor, metallic shield, plastic jacket", "false" ] } ] }, { "ch": "Simple coaxial cable testing done with an ohmmeter. It can be performed:", "ansGr": [ { "ans": [ "Before the end terminals are installed to simply check the cable itself", "true" ] }, { "ans": [ "After the end terminals are installed to simply check the cable connection", "false" ] }, { "ans": [ "After the cable is installed on the system", "false" ] } ] }, { "ch": "When the ohmmeter probes are touched to the conductor and the shielding of coaxial cable. There should always be:", "ansGr": [ { "ans": [ "Infinite resistance", "true" ] }, { "ans": [ "Zero resistance", "false" ] }, { "ans": [ "Low resistance", "false" ] } ] }, { "ch": "When the ohmmeter probes are touched to the inner conductor of coaxial cable. There must always:", "ansGr": [ { "ans": [ "Below resistance, basically zero resistance", "true" ] }, { "ans": [ "Infinite resistance", "false" ] }, { "ans": [ "High resistance", "false" ] } ] }, { "ch": "The continuity of coaxial cable is required:", "ansGr": [ { "ans": [ "Throughout the shielding as well and there should be no resistance between the shielding and ground", "true" ] }, { "ans": [ "Throughout the dielectric as well and there should be no resistance between the dielectric and ground", "false" ] }, { "ans": [ "Throughout the conductor as well and there should be no resistance between the shielding and conductor", "false" ] } ] }, { "ch": "Grounding connections for power, distribution equipment, and electromagnetic shielding must be given particular attention to ensure that:", "ansGr": [ { "ans": [ "Electrical bonding resistance has not been significantly increased by the loosening of connections or corrosion", "true" ] }, { "ans": [ "Electrical bonding resistance has not been significantly increased by the loosening of connections or contamination", "false" ] }, { "ans": [ "Electrical bonding resistance has not been significantly increased by the corrosion or contamination", "false" ] } ] }, { "ch": "To ensure satisfactory service, inspect wire annually for:", "ansGr": [ { "ans": [ "Abrasions, defective insulation, condition of terminations, and potential corrosion", "true" ] }, { "ans": [ "Abrasions, defective conductor, condition of terminations, and potential corrosion", "false" ] }, { "ans": [ "Abrasions, defective shield, condition of terminations, and potential corrosion", "false" ] } ] }, { "ch": "The wire identification code must be printed to read:", "ansGr": [ { "ans": [ "Horizontally or vertically", "true" ] }, { "ans": [ "Horizontally or laterally", "false" ] }, { "ans": [ "Laterally or vertically", "false" ] } ] }, { "ch": "Which wires usually require special sleeves to carry identification marks?", "ansGr": [ { "ans": [ "Teflon-coated wires, shielded wiring, multi-conductor cable, and thermocouple wires", "true" ] }, { "ans": [ "Teflon-coated wires, shielded wiring, single conductor cable, and thermocouple wires", "false" ] }, { "ans": [ "Coaxial cable, shielded wiring, multi-conductor cable, and thermocouple wires", "false" ] } ] }, { "ch": "Which material should be used for sleeving exposed to high temperatures (over 400°F)?", "ansGr": [ { "ans": [ "Silicone fiberglass", "true" ] }, { "ans": [ "Polyolefin", "false" ] }, { "ans": [ "Composite", "false" ] } ] }, { "ch": "Normally, wire groups or bundles deflection between support points should not exceed:", "ansGr": [ { "ans": [ "1⁄2-inch with normal hand pressure", "true" ] }, { "ans": [ "1-inch with normal hand pressure", "false" ] }, { "ans": [ "2-inch with normal hand pressure", "false" ] } ] }, { "ch": "Which wires splicing must have approved data?", "ansGr": [ { "ans": [ "Splicing of power wires, coaxial cables, multiplex bus, and large-gauge wire", "true" ] }, { "ans": [ "Splicing of sensitive wires, coaxial cables, multiplex bus, and large-gauge wire", "false" ] }, { "ans": [ "Splicing of power wires, coaxial cables, digital bus, and small-gauge wire", "false" ] } ] }, { "ch": "Which wires splicing should be kept to a minimum and avoided entirely in locations subject to extreme vibrations?", "ansGr": [ { "ans": [ "Splicing of electrical wire", "true" ] }, { "ans": [ "Splicing of flight control system wire", "false" ] }, { "ans": [ "Splicing of coaxial cables", "false" ] } ] }, { "ch": "Splicing of individual wires in a group or bundle should have engineering approval, and the splice(s) should be located:", "ansGr": [ { "ans": [ "Outer surface of the group or bundle for easy inspection", "true" ] }, { "ans": [ "Terminal of the group or bundle", "false" ] }, { "ans": [ "Outside of the group or bundle", "false" ] } ] }, { "ch": "What is the minimum bend radius of a single co-axial cable?", "ansGr": [ { "ans": [ "6 * diameter", "true" ] }, { "ans": [ "8 * diameter", "false" ] }, { "ans": [ "10 * diameter", "false" ] } ] }, { "ch": "The short circuits, malfunction, or inadvertent operation of equipment can caused by:", "ansGr": [ { "ans": [ "Damage to the insulation", "true" ] }, { "ans": [ "Damage to the conductor", "false" ] }, { "ans": [ "Damage to the shield", "false" ] } ] }, { "ch": "To prevent deterioration of insulation. Wiring must be:", "ansGr": [ { "ans": [ "Routed away from high-temperature equipment and lines", "true" ] }, { "ans": [ "Routed to avoid residual heating effects caused by exposure to sunlight", "false" ] }, { "ans": [ "Routed through a rigid or flexible conduit", "false" ] } ] }, { "ch": "To prevent insulation breakdown. You must:", "ansGr": [ { "ans": [ "Separate wires from high-temperature equipment, such as resistors, exhaust stacks, heating ducts", "true" ] }, { "ans": [ "Separate wires betwwen primary system and backup system.", "false" ] }, { "ans": [ "The wiring and protective tubing must be inspected frequently and replaced at the first sign of wear", "false" ] } ] }, { "ch": "Wiring must be routed lines and equipment containing oxygen, oil, fuel, hydraulic fluid, or alcohol with a minimum separation of:", "ansGr": [ { "ans": [ "6 inches or more whenever possible", "true" ] }, { "ans": [ "2 inches or more whenever possible", "false" ] }, { "ans": [ "10 inches or more whenever possible", "false" ] } ] }, { "ch": "Wires, or groups of wires, should enter a junction box, or terminate at a piece of equipment in:", "ansGr": [ { "ans": [ "An upward direction where practicable", "true" ] }, { "ans": [ "A downward direction where practicable", "false" ] }, { "ans": [ "Any direction where practicable", "false" ] } ] }, { "ch": "When a wire bundle is clamped into position. A suitable grommet should be installed if clearance between the bulkhead cutout and the wire bundle is:", "ansGr": [ { "ans": [ "Less than 3⁄8 inch", "true" ] }, { "ans": [ "Less than 1⁄4 inch", "false" ] }, { "ans": [ "Less than 1⁄2 inch", "false" ] } ] }, { "ch": "To prevent strain at the cable terminals and to minimize adverse effects on shockmounted equipment. You must inspect for:", "ansGr": [ { "ans": [ "Sufficient slack between the last clamp and the electronic equipment", "true" ] }, { "ans": [ "Proper clamping and grommets", "false" ] }, { "ans": [ "Wire and cable clamps proper tightness", "false" ] } ] }, { "ch": "Wires and cables are supported by suitable clamps, grommets, or other devices at intervals of:", "ansGr": [ { "ans": [ "Not more than 24 inches, except when contained in troughs, ducts, or conduits", "true" ] }, { "ans": [ "Not more than 24 inches, if contained in troughs, ducts, or conduits", "false" ] }, { "ans": [ "Not less than 24 inches, except when contained in troughs, ducts, or conduits", "false" ] } ] }, { "ch": "For maintain clearance between wires and structure:", "ansGr": [ { "ans": [ "Tape or tubing is not acceptable as an alternative to stand-offs", "true" ] }, { "ans": [ "Tape or tubing is use as an alternative to stand-offs", "false" ] }, { "ans": [ "Tape is acceptable but tubing is not acceptable as an alternative to stand-offs", "false" ] } ] }, { "ch": "Damaged conduit sections should be repaired to preclude injury to the wires or wire bundle that may consume as much as:", "ansGr": [ { "ans": [ "80 percent of the tube area", "true" ] }, { "ans": [ "60 percent of the tube area", "false" ] }, { "ans": [ "50 percent of the tube area", "false" ] } ] }, { "ch": "Kinked or wrinkled bends in rigid conduits are:", "ansGr": [ { "ans": [ "Not recommended and should be replaced", "true" ] }, { "ans": [ "Not recommended and should be repaired", "false" ] }, { "ans": [ "Acceptable and should not be replaced", "false" ] } ] }, { "ch": "Minimum acceptable tube bend radii for rigid conduit are depend on:", "ansGr": [ { "ans": [ "Nominal tube outer diameter", "true" ] }, { "ans": [ "Nominal tube inner diameter", "false" ] }, { "ans": [ "Diameter of the wire bundle", "false" ] } ] }, { "ch": "What is the Type II, rubber covered flexible conduit belong to?", "ansGr": [ { "ans": [ "Flexible aluminum conduit conforming to specification MIL-C-6136", "true" ] }, { "ans": [ "Flexible brass conduit conforming to specification MIL-C-7931", "false" ] }, { "ans": [ "Plastic flexible tubing conforming to specification MIL-C-7931", "false" ] } ] }, { "ch": "Which flexible conduit normally used instead of flexible aluminum where necessary to minimize radio interference?", "ansGr": [ { "ans": [ "Flexible brass conduit conforming to specification MIL-C-7931", "true" ] }, { "ans": [ "Flexible brass conduit conforming to specification MIL-C-6136", "false" ] }, { "ans": [ "Plastic flexible tubing conforming to specification MIL-C-7931", "false" ] } ] }, { "ch": "Minimum acceptable bending radii for flexible aluminum are depend on:", "ansGr": [ { "ans": [ "Nominal ID (inner diameter) of conduit", "true" ] }, { "ans": [ "Nominal OD (outer diameter) of conduit", "false" ] }, { "ans": [ "Diameter of the wire bundle", "false" ] } ] }, { "ch": "Shielding is the process of applying a metallic covering to wiring and equipment to:", "ansGr": [ { "ans": [ "Eliminate electromagnetic interference (EMI)", "true" ] }, { "ans": [ "To protect wiring and equipment avoid lightning strike", "false" ] }, { "ans": [ "Connecting the wiring and equipment to ground", "false" ] } ] }, { "ch": "When does the Electromagnetic interference (EMI) is caused?", "ansGr": [ { "ans": [ "When electromagnetic fields (radio waves) induce high frequency (HF) voltages in a wire or component", "true" ] }, { "ans": [ "When electromagnetic fields (radio waves) induce very high frequency (VHF) voltages in a wire or component", "false" ] }, { "ans": [ "When electromagnetic fields (radio waves) induce low frequency (LF) voltages in a wire or component", "false" ] } ] }, { "ch": "What are factors contribute to degradation of aircraft wiring systems?", "ansGr": [ { "ans": [ "Design, Maintenance, Operation and Environment", "true" ] }, { "ans": [ "Design, Maintenance, Operation and material", "false" ] }, { "ans": [ "Manufacture, Maintenance, Operation and Environment", "false" ] } ] }, { "ch": "What are factors contribute to degradation of aircraft wiring systems?", "ansGr": [ { "ans": [ "Maintenance, Training and Time", "true" ] }, { "ans": [ "Maintenance, Training and Removal", "false" ] }, { "ans": [ "Removal, Training and Time", "false" ] } ] }, { "ch": "The EWIS inspection focus on Clamping Points for:", "ansGr": [ { "ans": [ "Wire chafing is aggravated by loose clamps, damaged clamps, clamp cushion migration, or improper clamp installations.", "true" ] }, { "ans": [ "Wire is correctly routed through clamps, damaged clamps, clamp cushion migration, or improper clamp installations.", "false" ] }, { "ans": [ "Wire chafing is aggravated by loose clamps, damaged clamps, clamp cushion migration, or type of clamp", "false" ] } ] }, { "ch": "The EWIS inspection focus on Connectors for:", "ansGr": [ { "ans": [ "Worn environmental seals, loose connectors, excessive corrosion, missing seal plugs, missing dummy contacts, or lack of strain relief on connector grommets", "true" ] }, { "ans": [ "Worn environmental seals, loose connectors, excessive corrosion, missing wires and contacts, or lack of strain relief on connector grommets", "false" ] }, { "ans": [ "Worn environmental seals, loose or overtighten connectors, excessive corrosion, missing seal plugs, missing dummy contacts, or lack of strain relief on connector grommets", "false" ] } ] }, { "ch": "Terminal lugs and splices are susceptible to:", "ansGr": [ { "ans": [ "Mechanical damage, corrosion, heat damage and chemical contamination", "true" ] }, { "ans": [ "Mechanical stress, corrosion, heat damage and chemical contamination", "false" ] }, { "ans": [ "Loss of continuity, corrosion, heat damage and chemical contamination", "false" ] } ] }, { "ch": "The EWIS inspection focus on Grounding Points should be checked for:", "ansGr": [ { "ans": [ "Security (i.e. tightness), condition of the termination, cleanliness, and corrosion", "true" ] }, { "ans": [ "Loss of continuity, condition of the termination, cleanliness, and corrosion", "false" ] }, { "ans": [ "Mechanical damage, condition of the termination, cleanliness, and corrosion", "false" ] } ] }, { "ch": "Which areas that experience difficult environments for EWIS installations?", "ansGr": [ { "ans": [ "The wing leading and trailing edges", "true" ] }, { "ans": [ "Engine, Pylon, and Nacelle Area", "false" ] }, { "ans": [ "Under Galleys and Lavatories Area", "false" ] } ] }, { "ch": "Which wires and EWIS hardware should be inspected for corrosion and discoloration?", "ansGr": [ { "ans": [ "Wires and EWIS hardware in the vicinity of all aircraft batteries", "true" ] }, { "ans": [ "Wires and EWIS hardware in the Engine, Pylon, and Nacelle Area", "false" ] }, { "ans": [ "Wires and EWIS hardware in the Landing Gear and Wheel Wells", "false" ] } ] }, { "ch": "Which areas experience high vibration, heat, frequent maintenance, and are susceptible to chemical contamination?", "ansGr": [ { "ans": [ "Engine, Pylon, and Nacelle Area", "true" ] }, { "ans": [ "The wing leading and trailing edges areas", "false" ] }, { "ans": [ "Landing Gear and Wheel Wells", "false" ] } ] }, { "ch": "Which feeder that the splice or termination should be replaced if signs of overheating are seen?", "ansGr": [ { "ans": [ "The galley power feeders, in addition to the main and APU generator power feeders", "true" ] }, { "ans": [ "The main, APU generator power feeders and the power feeders to critical systems", "false" ] }, { "ans": [ "The galley power feeders, the battery power feeders, in addition to the main and APU generator power feeders", "false" ] } ] }, { "ch": "Which area, the damage to EWIS can occur due to maintenance activities?", "ansGr": [ { "ans": [ "Cargo Bay/Under Floor area", "true" ] }, { "ans": [ "Surfaces, Controls, and Doors", "false" ] }, { "ans": [ "Engine, Pylon, and Nacelle Area", "false" ] } ] }, { "ch": "Which locations, moving or bending harnesses should be inspected?", "ansGr": [ { "ans": [ "Surfaces, Controls, and Doors", "true" ] }, { "ans": [ "Landing Gear and Wheel Wells", "false" ] }, { "ans": [ "Access Panels", "false" ] } ] }, { "ch": "Which areas, fluid drain provisions should be periodically inspected and repaired as necessary?", "ansGr": [ { "ans": [ "Under Galleys and Lavatories areas", "true" ] }, { "ans": [ "Cargo Bay/Under Floor areas", "false" ] }, { "ans": [ "Landing Gear and Wheel Wells areas", "false" ] } ] }, { "ch": "Which harnesses may receive accidental damage and should have special emphasis inspections?", "ansGr": [ { "ans": [ "Harnesses near access panels", "true" ] }, { "ans": [ "Harnesses near Surfaces, Controls, and Doors", "false" ] }, { "ans": [ "Harnesses in Landing Gear and Wheel Wells", "false" ] } ] }, { "ch": "Who are are required to identify non-destructive methods for cleaning dust, dirt, foreign object debris (FOD), lavatory fluid, and other contaminants produced by an aircraft environment from wiring systems?", "ansGr": [ { "ans": [ "Manufacturers and operators", "true" ] }, { "ans": [ "Authorities and operators", "false" ] }, { "ans": [ "Authorities and operators", "false" ] } ] }, { "ch": "What is the primary reason for avoiding the use of common ground points for unrelated circuits?", "ansGr": [ { "ans": [ "It can result in multiple system failures that distract the crew or become hazardous.", "true" ] }, { "ans": [ "It helps simplify the aircraft wiring layout.", "false" ] }, { "ans": [ "It allows faster system recovery after failures.", "false" ] } ] }, { "ch": "How should electronic equipment cases that produce electromagnetic energy be installed to minimize Electromagnetic Interference (EMI)?", "ansGr": [ { "ans": [ "They must be grounded to structure as specified in the installation procedure.", "true" ] }, { "ans": [ "They should remain ungrounded to prevent current loops.", "false" ] }, { "ans": [ "They should use paint-coated attachment points.", "false" ] } ] }, { "ch": "How can lightning strike hazards be minimized in external components?", "ansGr": [ { "ans": [ "By ensuring proper bonding or alternative discharge paths.", "true" ] }, { "ans": [ "By applying plastic coatings.", "false" ] }, { "ans": [ "By isolating them from all conductive paths.", "false" ] } ] }, { "ch": "What is a function of wire sleeving in EWIS?", "ansGr": [ { "ans": [ "To provide additional protection and electrical termination for bonding.", "true" ] }, { "ans": [ "To color-code signal cables.", "false" ] }, { "ans": [ "To block electromagnetic energy completely.", "false" ] } ] }, { "ch": "What is the danger of full generator fault current flowing through a localized region of carbon fiber structure?", "ansGr": [ { "ans": [ "It can cause excessive heating and structure failure.", "true" ] }, { "ans": [ "It may temporarily allow continuity across bonded composite panels.", "false" ] }, { "ans": [ "It supports partial conduction through carbon fiber for signal grounding purposes.", "false" ] } ] }, { "ch": "Which is the main factor to consider when selecting wire for areas with high ambient temperature and infrequent inspection?", "ansGr": [ { "ans": [ "Resistance to heat aging.", "true" ] }, { "ans": [ "Shielding effectiveness against electromagnetic interference.", "false" ] }, { "ans": [ "Compatibility of insulation with standard maintenance procedures.", "false" ] } ] }, { "ch": "What is the primary advantage of additive manufacturing in the aerospace industry?", "ansGr": [ { "ans": [ "Creating stronger, lighter, and more efficient components.", "true" ] }, { "ans": [ "Reducing the need for any post-processing.", "false" ] }, { "ans": [ "Eliminating the use of metal materials entirely.", "false" ] } ] }, { "ch": "Which term is commonly used interchangeably with additive manufacturing?", "ansGr": [ { "ans": [ "3D printing.", "true" ] }, { "ans": [ "CNC machining.", "false" ] }, { "ans": [ "Injection molding.", "false" ] } ] }, { "ch": "What is the purpose of support structures in VAT PHOTOPOLYMERIZATION?", "ansGr": [ { "ans": [ "To provide structural support during the build phase.", "true" ] }, { "ans": [ "To increase the speed of printing.", "false" ] }, { "ans": [ "To replace the need for UV light curing.", "false" ] } ] }, { "ch": "Which material is typically used in MATERIAL JETTING?", "ansGr": [ { "ans": [ "Polymers and waxes.", "true" ] }, { "ans": [ "Pure metals.", "false" ] }, { "ans": [ "Ceramic powders.", "false" ] } ] }, { "ch": "Which process is commonly used in inexpensive, domestic 3D printers?", "ansGr": [ { "ans": [ "Material extrusion.", "true" ] }, { "ans": [ "Powder bed fusion.", "false" ] }, { "ans": [ "Directed energy deposition.", "false" ] } ] }, { "ch": "What bonds layers in MATERIAL EXTRUSION?", "ansGr": [ { "ans": [ "Temperature control or chemical agents.", "true" ] }, { "ans": [ "Ultrasonic welding or chemical agents.", "false" ] }, { "ans": [ "UV light curing or temperature control .", "false" ] } ] }, { "ch": "What affects the mechanical properties of a printed part?", "ansGr": [ { "ans": [ "Density, particle size, and distribution of the material.", "true" ] }, { "ans": [ "Excessive bonding between layers.", "false" ] }, { "ans": [ "Residual stress causing cracks or warping.", "false" ] } ] }, { "ch": "What causes gaps between layers in 3D printing?", "ansGr": [ { "ans": [ "Low bonding strength due to low nozzle temperatures.", "true" ] }, { "ans": [ "Using too much material in each layer.", "false" ] }, { "ans": [ "Skipping the curing process entirely.", "false" ] } ] }, { "ch": "What is the primary method for inspecting additive manufactured parts?", "ansGr": [ { "ans": [ "Non-destructive testing.", "true" ] }, { "ans": [ "Destructive testing.", "false" ] }, { "ans": [ "Visual inspection without tools.", "false" ] } ] }, { "ch": "What does ULTRASONIC TESTING detect in printed parts?", "ansGr": [ { "ans": [ "Internal defects such as cracks or fractures.", "true" ] }, { "ans": [ "Surface color inconsistencies.", "false" ] }, { "ans": [ "The weight of the component.", "false" ] } ] }, { "ch": "What is the advantage of RADIOGRAPHIC TESTING over ultrasonic testing?", "ansGr": [ { "ans": [ "It can detect volumetric defects that ultrasonic might miss.", "true" ] }, { "ans": [ "It provides better resolution for surface cracks than ultrasonic testing.", "false" ] }, { "ans": [ "It requires less operator training compared to ultrasonic methods.", "false" ] } ] }, { "ch": "What is CT scanning typically used for in additive manufacturing?", "ansGr": [ { "ans": [ "Inspecting smaller components like turbine blades.", "true" ] }, { "ans": [ "Detecting residual stress in metal components.", "false" ] }, { "ans": [ "Verifying dimensional accuracy of parts.", "false" ] } ] }, { "ch": "What is a datum in the context of aircraft weight and balance?", "ansGr": [ { "ans": [ "An imaginary vertical plane for measurements", "true" ] }, { "ans": [ "A type of aircraft", "false" ] }, { "ans": [ "A tool used for weighing aircraft", "false" ] } ] }, { "ch": "What does the term \"arm\" refer to in aircraft weight and balance?", "ansGr": [ { "ans": [ "The horizontal distance from the datum", "true" ] }, { "ans": [ "The weight of the aircraft", "false" ] }, { "ans": [ "The total weight of the fuel", "false" ] } ] }, { "ch": "What is the maximum weight of an aircraft?", "ansGr": [ { "ans": [ "The maximum authorized weight for flight", "true" ] }, { "ans": [ "The weight of the empty aircraft", "false" ] }, { "ans": [ "The weight of passengers only", "false" ] } ] }, { "ch": "What does \"empty weight\" include?", "ansGr": [ { "ans": [ "All fixed operating equipment in the aircraft", "true" ] }, { "ans": [ "Only the weight of the airframe", "false" ] }, { "ans": [ "The weight of the passengers and cargo", "false" ] } ] }, { "ch": "What is the useful load of an aircraft?", "ansGr": [ { "ans": [ "The weight of fuel and passengers", "true" ] }, { "ans": [ "The total weight of the aircraft", "false" ] }, { "ans": [ "The weight of the empty aircraft", "false" ] } ] }, { "ch": "What is \"minimum fuel\"?", "ansGr": [ { "ans": [ "The amount of fuel needed for 30 minutes of flight", "true" ] }, { "ans": [ "The total fuel capacity of the aircraft", "false" ] }, { "ans": [ "The weight of fuel that is not usable", "false" ] } ] }, { "ch": "What does tare weight refer to?", "ansGr": [ { "ans": [ "The weight of support equipment used during weighing", "true" ] }, { "ans": [ "The weight of the aircraft without fuel", "false" ] }, { "ans": [ "The maximum allowable weight of the aircraft", "false" ] } ] }, { "ch": "Why is it important to know the center of gravity of an aircraft?", "ansGr": [ { "ans": [ "To ensure the aircraft is balanced for flight", "true" ] }, { "ans": [ "To calculate the total weight of the aircraft", "false" ] }, { "ans": [ "To determine the type of fuel used", "false" ] } ] }, { "ch": "How is a moment calculated?", "ansGr": [ { "ans": [ "By multiplying weight by its arm distance", "true" ] }, { "ans": [ "By adding the total weight of the aircraft", "false" ] }, { "ans": [ "By dividing the weight by the arm", "false" ] } ] }, { "ch": "What is the purpose of a datum in weight and balance calculations for an aircraft?", "ansGr": [ { "ans": [ "It serves as a reference point for all horizontal measurements.", "true" ] }, { "ans": [ "It indicates the maximum weight allowed for the aircraft.", "false" ] }, { "ans": [ "It determines the center of gravity location.", "false" ] } ] }, { "ch": "How is the arm defined in relation to an aircraft's datum?", "ansGr": [ { "ans": [ "It is the horizontal distance from the datum to a specific item on the aircraft.", "true" ] }, { "ans": [ "It is the total weight of the aircraft without fuel.", "false" ] }, { "ans": [ "It is the maximum allowable weight of the aircraft.", "false" ] } ] }, { "ch": "What does a positive moment indicate when calculating weight and balance?", "ansGr": [ { "ans": [ "Weight is being added aft of the datum.", "true" ] }, { "ans": [ "Weight is being removed forward of the datum.", "false" ] }, { "ans": [ "Weight is being added forward of the datum.", "false" ] } ] }, { "ch": "What defines the center of gravity (Center of Gravity) of an aircraft?", "ansGr": [ { "ans": [ "It is the balance point where nose heavy and tail heavy moments are equal.", "true" ] }, { "ans": [ "It is the maximum allowable weight of the aircraft.", "false" ] }, { "ans": [ "It is the point where the empty weight is calculated.", "false" ] } ] }, { "ch": "Which weight category can vary for an aircraft depending on its operational conditions?", "ansGr": [ { "ans": [ "Maximum weight.", "true" ] }, { "ans": [ "Empty weight.", "false" ] }, { "ans": [ "Tare weight.", "false" ] } ] }, { "ch": "How is the useful load of an aircraft calculated?", "ansGr": [ { "ans": [ "By subtracting the empty weight from the maximum allowable gross weight.", "true" ] }, { "ans": [ "By adding the weight of the fuel to the empty weight.", "false" ] }, { "ans": [ "By measuring the weight of all installed equipment.", "false" ] } ] }, { "ch": "What is the definition of minimum fuel in the context of weight and balance checks?", "ansGr": [ { "ans": [ "The amount of fuel required for 30 minutes of flight at cruise power.", "true" ] }, { "ans": [ "The total fuel capacity of the aircraft.", "false" ] }, { "ans": [ "The weight of fuel required for takeoff.", "false" ] } ] }, { "ch": "What must be done with tare weight when weighing an aircraft?", "ansGr": [ { "ans": [ "It must be subtracted from the scale reading to get the correct weight.", "true" ] }, { "ans": [ "It must be added to the weight of the aircraft for accuracy.", "false" ] }, { "ans": [ "It is irrelevant and can be ignored.", "false" ] } ] }, { "ch": "What is the primary source of weight and balance data for an aircraft?", "ansGr": [ { "ans": [ "Aircraft Flight Manual", "true" ] }, { "ans": [ "Pilot's Handbook", "false" ] }, { "ans": [ "Maintenance Manual", "false" ] } ] }, { "ch": "What is the purpose of a spirit level when weighing an aircraft?", "ansGr": [ { "ans": [ "To ensure the aircraft is in a level flight attitude", "true" ] }, { "ans": [ "To measure the aircraft's weight", "false" ] }, { "ans": [ "To calculate the center of gravity", "false" ] } ] }, { "ch": "Which type of scale can typically weigh small aircraft?", "ansGr": [ { "ans": [ "Mechanical spring scales", "true" ] }, { "ans": [ "Kitchen scales", "false" ] }, { "ans": [ "Bathroom scales", "false" ] } ] }, { "ch": "How is the weight of fuel adjusted when weighing an aircraft with full tanks?", "ansGr": [ { "ans": [ "By using a hydrometer to determine the exact weight", "true" ] }, { "ans": [ "By estimating based on standard weight", "false" ] }, { "ans": [ "By subtracting a fixed value", "false" ] } ] }, { "ch": "What type of information is typically highlighted in a Type Certificate Data Sheet (TCDS)?", "ansGr": [ { "ans": [ "Center of gravity range and maximum weight", "true" ] }, { "ans": [ "Maintenance schedule", "false" ] }, { "ans": [ "Flight maneuverability", "false" ] } ] }, { "ch": "What should be done with the engine oil before weighing an aircraft?", "ansGr": [ { "ans": [ "Ensure it is full or drain it to only residual levels", "true" ] }, { "ans": [ "Leave it as is", "false" ] }, { "ans": [ "Replace it with fresh oil", "false" ] } ] }, { "ch": "Why is it important to know the arms for weighing points on an aircraft?", "ansGr": [ { "ans": [ "To ensure accurate weight distribution calculations", "true" ] }, { "ans": [ "To measure the fuel capacity", "false" ] }, { "ans": [ "To determine the maximum takeoff weight", "false" ] } ] }, { "ch": "What does the center of gravity range indicate for an aircraft?", "ansGr": [ { "ans": [ "The limits within which the aircraft must balance", "true" ] }, { "ans": [ "The maximum weight allowed for takeoff", "false" ] }, { "ans": [ "The total weight of all passengers and cargo", "false" ] } ] }, { "ch": "What is the role of the Aircraft Specifications document?", "ansGr": [ { "ans": [ "To provide weight and balance information for the aircraft", "true" ] }, { "ans": [ "To list all pilots certified for the aircraft", "false" ] }, { "ans": [ "To provide maintenance procedures", "false" ] } ] }, { "ch": "What is a weight and balance extreme condition check?", "ansGr": [ { "ans": [ "A method to assess aircraft loading limits", "true" ] }, { "ans": [ "A way to check fuel efficiency", "false" ] }, { "ans": [ "A procedure for routine maintenance", "false" ] } ] }, { "ch": "What does the forward extreme condition check involve?", "ansGr": [ { "ans": [ "Loading useful items in front of the forward Center of Gravity limit", "true" ] }, { "ans": [ "Leaving all seats empty", "false" ] }, { "ans": [ "Filling the aircraft with maximum fuel", "false" ] } ] }, { "ch": "What is minimum fuel calculated by?", "ansGr": [ { "ans": [ "Dividing the engine's METO horsepower by 2", "true" ] }, { "ans": [ "Using the aircraft's total weight", "false" ] }, { "ans": [ "Calculating fuel consumption", "false" ] } ] }, { "ch": "What happens to the Center of Gravity during an aft extreme condition check?", "ansGr": [ { "ans": [ "It is loaded behind the aft Center of Gravity limit", "true" ] }, { "ans": [ "It is calculated only using fuel", "false" ] }, { "ans": [ "It is always within limits", "false" ] } ] }, { "ch": "What must be determined when equipment changes occur in an aircraft?", "ansGr": [ { "ans": [ "The new empty weight and empty weight center of gravity", "true" ] }, { "ans": [ "The fuel efficiency", "false" ] }, { "ans": [ "The flight time", "false" ] } ] }, { "ch": "What does permanent ballast do to an aircraft?", "ansGr": [ { "ans": [ "Increases empty weight and reduces useful load", "true" ] }, { "ans": [ "Decreases fuel consumption", "false" ] }, { "ans": [ "Enhances flight speed", "false" ] } ] }, { "ch": "What is temporary ballast used for?", "ansGr": [ { "ans": [ "To meet varying loading conditions", "true" ] }, { "ans": [ "To increase maximum speed", "false" ] }, { "ans": [ "To permanently alter the aircraft structure", "false" ] } ] }, { "ch": "What is the loading graph used for?", "ansGr": [ { "ans": [ "To determine Center of Gravity location for various loading arrangements", "true" ] }, { "ans": [ "To calculate fuel efficiency", "false" ] }, { "ans": [ "To track maintenance schedules", "false" ] } ] }, { "ch": "What do the Center of Gravity envelopes represent?", "ansGr": [ { "ans": [ "Forward and aft Center of Gravity limits for an aircraft", "true" ] }, { "ans": [ "Fuel capacity limits", "false" ] }, { "ans": [ "Maintenance schedules", "false" ] } ] }, { "ch": "What is a key difference in weighing large aircraft compared to small ones?", "ansGr": [ { "ans": [ "The jacks and scales used are larger", "true" ] }, { "ans": [ "The calculation methods are different", "false" ] }, { "ans": [ "The weight limits are higher", "false" ] } ] }, { "ch": "What does the mean aerodynamic chord (MAC) refer to?", "ansGr": [ { "ans": [ "The average width of the wing", "true" ] }, { "ans": [ "The maximum takeoff weight", "false" ] }, { "ans": [ "The length of the fuselage", "false" ] } ] }, { "ch": "What is the purpose of conducting a weight and balance extreme condition check?", "ansGr": [ { "ans": [ "To determine if the center of gravity falls outside the allowable limits", "true" ] }, { "ans": [ "To calculate the total weight of the aircraft", "false" ] }, { "ans": [ "To assess fuel efficiency during flight", "false" ] } ] }, { "ch": "During a forward extreme condition check, what should be done with items located behind the forward Center of Gravity limit?", "ansGr": [ { "ans": [ "They should be left empty", "true" ] }, { "ans": [ "They should be loaded to maximum capacity", "false" ] }, { "ans": [ "They should be partially filled", "false" ] } ] }, { "ch": "How is minimum fuel calculated for an aircraft?", "ansGr": [ { "ans": [ "By multiplying the engine’s METO horsepower by 2", "true" ] }, { "ans": [ "By dividing the engine’s METO horsepower by 2", "false" ] }, { "ans": [ "By adding the weight of all passengers", "false" ] } ] }, { "ch": "In the aft extreme condition check, what is required for the fuel tank if it is located forward of the aft Center of Gravity limit?", "ansGr": [ { "ans": [ "Maximum fuel must be loaded", "true" ] }, { "ans": [ "Minimum fuel must be shown", "false" ] }, { "ans": [ "Fuel must be completely drained", "false" ] } ] }, { "ch": "When conducting the forward extreme condition check, what position is the pilot’s seat placed in?", "ansGr": [ { "ans": [ "At the forward position of 82\"", "true" ] }, { "ans": [ "At the rear position of 88\"", "false" ] }, { "ans": [ "At the midpoint of 85\"", "false" ] } ] }, { "ch": "What happens if the center of gravity (Center of Gravity) is found to be out of limits during the aft extreme condition check?", "ansGr": [ { "ans": [ "The aircraft can still be flown safely", "true" ] }, { "ans": [ "The aircraft should not be flown", "false" ] }, { "ans": [ "The aircraft must be loaded with more weight", "false" ] } ] }, { "ch": "What loading configuration is applied for the aft extreme condition check?", "ansGr": [ { "ans": [ "All useful load items in front of the aft Center of Gravity limit are loaded", "true" ] }, { "ans": [ "All useful load items behind the aft Center of Gravity limit are loaded", "false" ] }, { "ans": [ "Only baggage is considered in the loading", "false" ] } ] }, { "ch": "In the example provided, how much does the Center of Gravity exceed the limits during the aft extreme condition check?", "ansGr": [ { "ans": [ "0.4 inches", "true" ] }, { "ans": [ "0.6 inches", "false" ] }, { "ans": [ "0.8 inches", "false" ] } ] }, { "ch": "What happens to the weight and balance of an aircraft when equipment is changed?", "ansGr": [ { "ans": [ "The weight and balance will change", "true" ] }, { "ans": [ "The weight will remain the same", "false" ] }, { "ans": [ "The aircraft will become unstable", "false" ] } ] }, { "ch": "How can the new empty weight and empty weight center of gravity be determined after equipment changes?", "ansGr": [ { "ans": [ "By visually inspecting the aircraft", "true" ] }, { "ans": [ "By placing the aircraft on scales or calculating mathematically", "false" ] }, { "ans": [ "By estimating based on previous weights", "false" ] } ] }, { "ch": "In the calculation of weight and balance, what does a negative weight indicate?", "ansGr": [ { "ans": [ "Equipment is being added", "true" ] }, { "ans": [ "Equipment is being removed", "false" ] }, { "ans": [ "Equipment weight is unchanged", "false" ] } ] }, { "ch": "When calculating moments for weight and balance, how is the sign of the moment determined?", "ansGr": [ { "ans": [ "Based on the weight alone", "true" ] }, { "ans": [ "Based on the signs of the weight and arm", "false" ] }, { "ans": [ "It is always considered positive", "false" ] } ] }, { "ch": "If the strobe and ADF are removed from the aircraft, which of the following is true?", "ansGr": [ { "ans": [ "Both have a negative moment", "true" ] }, { "ans": [ "Only the strobe has a negative moment", "false" ] }, { "ans": [ "Both contribute to positive moments", "false" ] } ] }, { "ch": "How is the total arm (center of gravity) of the airplane calculated?", "ansGr": [ { "ans": [ "By adding the total weight of the aircraft", "true" ] }, { "ans": [ "By dividing the total moment by the total weight", "false" ] }, { "ans": [ "By measuring the distance from the nose", "false" ] } ] }, { "ch": "After the equipment changes, how much was the airplane’s weight reduced by?", "ansGr": [ { "ans": [ "15 lbs", "true" ] }, { "ans": [ "22.5 lbs", "false" ] }, { "ans": [ "30 lbs", "false" ] } ] }, { "ch": "How far did the center of gravity move forward as a result of the equipment changes?", "ansGr": [ { "ans": [ "0.5 inches", "true" ] }, { "ans": [ "0.67 inches", "false" ] }, { "ans": [ "0.75 inches", "false" ] } ] }, { "ch": "What is the primary purpose of using ballast in an aircraft?", "ansGr": [ { "ans": [ "To attain the desired center of gravity (Center of Gravity) balance", "true" ] }, { "ans": [ "To increase the speed of the aircraft", "false" ] }, { "ans": [ "To reduce fuel consumption", "false" ] } ] }, { "ch": "What type of ballast is intended to remain in the aircraft for long periods?", "ansGr": [ { "ans": [ "Temporary ballast", "true" ] }, { "ans": [ "Removable ballast", "false" ] }, { "ans": [ "Permanent ballast", "false" ] } ] }, { "ch": "Where is temporary ballast typically placed in the aircraft?", "ansGr": [ { "ans": [ "In the cockpit", "true" ] }, { "ans": [ "In the baggage compartment", "false" ] }, { "ans": [ "Under the wings", "false" ] } ] }, { "ch": "How must permanent ballast be secured when installed in the aircraft?", "ansGr": [ { "ans": [ "It must be painted red", "true" ] }, { "ans": [ "It must be bolted to the aircraft structure", "false" ] }, { "ans": [ "It can be placed anywhere in the cabin", "false" ] } ] }, { "ch": "What should be done if temporary ballast is removed from the aircraft?", "ansGr": [ { "ans": [ "The aircraft can be flown without any checks", "true" ] }, { "ans": [ "A weight and balance check is required", "false" ] }, { "ans": [ "It can be discarded without further action", "false" ] } ] }, { "ch": "How is the amount of ballast needed to bring the Center of Gravity within limits calculated?", "ansGr": [ { "ans": [ "By estimating the weight needed", "true" ] }, { "ans": [ "By using a specific formula based on aircraft weight and Center of Gravity limits", "false" ] }, { "ans": [ "By dividing the total aircraft weight by the number of passengers", "false" ] } ] }, { "ch": "If the aircraft's Center of Gravity is too far aft, where should ballast be placed to correct this?", "ansGr": [ { "ans": [ "As far forward as possible", "true" ] }, { "ans": [ "In the center of the aircraft", "false" ] }, { "ans": [ "Near the tail section", "false" ] } ] }, { "ch": "What happens to the aircraft's empty weight when permanent ballast is installed?", "ansGr": [ { "ans": [ "It decreases", "true" ] }, { "ans": [ "It remains unchanged", "false" ] }, { "ans": [ "It increases", "false" ] } ] }, { "ch": "What is the purpose of the loading graph and Center of Gravity envelope system in aviation?", "ansGr": [ { "ans": [ "To determine the center of gravity (Center of Gravity) location for various loading arrangements", "true" ] }, { "ans": [ "To calculate fuel efficiency", "false" ] }, { "ans": [ "To monitor engine performance", "false" ] } ] }, { "ch": "Where are the loading graphs typically found for an aircraft?", "ansGr": [ { "ans": [ "In the pilot's personal notes", "true" ] }, { "ans": [ "In the Airplane Flight Manual or Pilot’s Operating Handbook", "false" ] }, { "ans": [ "In the maintenance manual", "false" ] } ] }, { "ch": "How is the moment value for an item or weight determined using the loading graph?", "ansGr": [ { "ans": [ "By dividing the weight by the arm", "true" ] }, { "ans": [ "By projecting horizontal and vertical lines based on the known weight", "false" ] }, { "ans": [ "By multiplying the weight by the Center of Gravity limit", "false" ] } ] }, { "ch": "What must be done after determining the moment for each weight added to the aircraft?", "ansGr": [ { "ans": [ "Each weight and moment must be subtracted", "true" ] }, { "ans": [ "All weights and all moments are added together", "false" ] }, { "ans": [ "Only the heaviest weight is considered", "false" ] } ] }, { "ch": "What indicates that the aircraft's Center of Gravity is within limits when using the Center of Gravity envelope?", "ansGr": [ { "ans": [ "The plotted point falls outside the Center of Gravity envelope", "true" ] }, { "ans": [ "The plotted point falls inside the Center of Gravity envelope", "false" ] }, { "ans": [ "The total weight is less than the empty weight", "false" ] } ] }, { "ch": "What are the two categories represented in the Center of Gravity envelope?", "ansGr": [ { "ans": [ "Commercial and private", "true" ] }, { "ans": [ "Normal and Utility", "false" ] }, { "ans": [ "Cargo and passenger", "false" ] } ] }, { "ch": "What is the total loaded weight and moment of the airplane in the example?", "ansGr": [ { "ans": [ "2,258 pounds and 99,400 in-lbs", "true" ] }, { "ans": [ "2,500 pounds and 100,000 in-lbs", "false" ] }, { "ans": [ "2,000 pounds and 98,000 in-lbs", "false" ] } ] }, { "ch": "What do the lines that form the Center of Gravity envelope represent?", "ansGr": [ { "ans": [ "The fuel limits for the aircraft", "true" ] }, { "ans": [ "The forward and aft Center of Gravity limits", "false" ] }, { "ans": [ "The maximum takeoff weight", "false" ] } ] }, { "ch": "How does the weight and balance process for large airplanes compare to that for small airplanes?", "ansGr": [ { "ans": [ "It is identical, just on a larger scale", "true" ] }, { "ans": [ "It is more complex and requires different methods", "false" ] }, { "ans": [ "It does not require any calculations", "false" ] } ] }, { "ch": "What technology is used in some large airplanes to weigh themselves while on the tarmac?", "ansGr": [ { "ans": [ "Mechanical scales", "true" ] }, { "ans": [ "Electronic load cells", "false" ] }, { "ans": [ "Manual weighing systems", "false" ] } ] }, { "ch": "In which aircraft models is the electronic weighing system currently used?", "ansGr": [ { "ans": [ "Boeing 737 and Airbus A320", "true" ] }, { "ans": [ "Boeing 747-400, 777, 787, and large Airbus models", "false" ] }, { "ans": [ "Cessna 172 and Piper Cub", "false" ] } ] }, { "ch": "How is the center of gravity (Center of Gravity) location typically identified in larger airplanes?", "ansGr": [ { "ans": [ "In relation to the aircraft's length", "true" ] }, { "ans": [ "In relation to the width of the wing, known as the mean aerodynamic chord (MAC)", "false" ] }, { "ans": [ "By measuring from the tail section", "false" ] } ] }, { "ch": "What does the term \"mean aerodynamic chord\" (MArefer to in aviation?", "ansGr": [ { "ans": [ "The average weight of the aircraft", "true" ] }, { "ans": [ "The average length of the wing’s chord", "false" ] }, { "ans": [ "The maximum takeoff weight", "false" ] } ] }, { "ch": "How is the Center of Gravity location expressed for large airplanes in terms of MAC?", "ansGr": [ { "ans": [ "As a specific number of inches from the nose", "true" ] }, { "ans": [ "As a percentage of the mean aerodynamic chord", "false" ] }, { "ans": [ "As a fixed distance from the tail", "false" ] } ] }, { "ch": "What is the first step to convert the center of gravity location from inches to a percent of MAC?", "ansGr": [ { "ans": [ "Divide by the total weight", "true" ] }, { "ans": [ "Identify the leading edge of the MAC in inches from the datum", "false" ] }, { "ans": [ "Measure the total length of the aircraft", "false" ] } ] }, { "ch": "If the Center of Gravity is at 32.5% of the MAC and the MAC is 180 inches, what is the Center of Gravity location in inches from the datum if the LEMAC is 900 inches?", "ansGr": [ { "ans": [ "958.5 inches", "true" ] }, { "ans": [ "900 inches", "false" ] }, { "ans": [ "1,080 inches", "false" ] } ] }, { "ch": "What is the primary calculation a technician performs when involved with the weight and balance of an aircraft?", "ansGr": [ { "ans": [ "Calculating the aircraft’s empty weight and empty weight center of gravity", "true" ] }, { "ans": [ "Determining fuel consumption rates", "false" ] }, { "ans": [ "Estimating flight duration", "false" ] } ] }, { "ch": "When must the weight and balance report be present in the aircraft?", "ansGr": [ { "ans": [ "Only during maintenance checks", "true" ] }, { "ans": [ "When the aircraft is being flown", "false" ] }, { "ans": [ "At all times, regardless of flight status", "false" ] } ] } ]