[ { "part": "M13.17 ATA 35", "ch": "What is hypoxia?", "ansGr": [ { "ans": [ "A condition caused by a lack of oxygen in the body.", "true" ] }, { "ans": [ "An illness caused by breathing too much oxygen.", "false" ] }, { "ans": [ "A fear of heights", "false" ] } ] }, { "ch": "What is the approximate percentage of oxygen in the air we breathe at sea level?", "ansGr": [ { "ans": [ "0.21", "true" ] }, { "ans": [ "0.35", "false" ] }, { "ans": [ "0.55", "false" ] } ] }, { "ch": "At what altitude above sea level does the oxygen pressure become insufficient to fully saturate the blood with oxygen?", "ansGr": [ { "ans": [ "7,000 feet", "true" ] }, { "ans": [ "10,000 feet", "false" ] }, { "ans": [ "15000 feet", "false" ] } ] }, { "ch": "What is the typical color used for high-pressure gaseous oxygen cylinders?", "ansGr": [ { "ans": [ "Green", "true" ] }, { "ans": [ "Red", "false" ] }, { "ans": [ "Yellow", "false" ] } ] }, { "ch": "What type of material is used in some newer, lighter-weight oxygen cylinders?", "ansGr": [ { "ans": [ "Kevlar", "true" ] }, { "ans": [ "Carbon fiber", "false" ] }, { "ans": [ "Titanium", "false" ] } ] }, { "ch": "What is the approximate temperature at which oxygen becomes liquid (LOX)?", "ansGr": [ { "ans": [ "-183°C", "true" ] }, { "ans": [ "-150°C", "false" ] }, { "ans": [ "-100°C", "false" ] } ] }, { "ch": "What type of oxygen system is commonly used as a backup in pressurized aircraft?", "ansGr": [ { "ans": [ "Chemical oxygen system", "true" ] }, { "ans": [ "Liquid oxygen (LOX) system", "false" ] }, { "ans": [ "Gaseous oxygen system with a single mask", "false" ] } ] }, { "ch": "What is the function of a diluter-demand regulator?", "ansGr": [ { "ans": [ "To mix oxygen with cabin air", "true" ] }, { "ans": [ "To deliver 100% oxygen at all times.", "false" ] }, { "ans": [ "To only deliver oxygen above 10,000 feet.", "false" ] } ] }, { "ch": "What is the purpose of a rebreather bag in a continuous-flow oxygen system?", "ansGr": [ { "ans": [ "To reuse some of the exhaled oxygen", "true" ] }, { "ans": [ "To store emergency oxygen.", "false" ] }, { "ans": [ "To inflate the oxygen mask.", "false" ] } ] }, { "ch": "What is the purpose of a pressure demand oxygen regulator?", "ansGr": [ { "ans": [ "To deliver oxygen under pressure to the user's lungs", "true" ] }, { "ans": [ "To reduce the pressure in the oxygen cylinder.", "false" ] }, { "ans": [ "To measure the amount of oxygen in the system.", "false" ] } ] }, { "ch": "What is the main component of a chemical oxygen generator?", "ansGr": [ { "ans": [ "Sodium chlorate candle", "true" ] }, { "ans": [ "A small oxygen cylinder", "false" ] }, { "ans": [ "A molecular sieve", "false" ] } ] }, { "ch": "What is the purpose of purging an oxygen system?", "ansGr": [ { "ans": [ "To remove any contaminants and moisture.", "true" ] }, { "ans": [ "To check for leaks.", "false" ] }, { "ans": [ "To reduce pressure in the system.", "false" ] } ] }, { "ch": "Why is it important to use oxygen-compatible materials in oxygen systems?", "ansGr": [ { "ans": [ "To prevent fires", "true" ] }, { "ans": [ "To save weight.", "false" ] }, { "ans": [ "To reduce costs.", "false" ] } ] }, { "ch": "What is the purpose of a hydrostatic test for oxygen cylinders?", "ansGr": [ { "ans": [ "To check the structural integrity of the cylinder.", "true" ] }, { "ans": [ "To measure the amount of oxygen in the cylinder.", "false" ] }, { "ans": [ "To clean the inside of the cylinder.", "false" ] } ] }, { "ch": "What is the purpose of a blowout disk in an oxygen system?", "ansGr": [ { "ans": [ "To act as a safety relief in case of overpressure.", "true" ] }, { "ans": [ "To filter out contaminants.", "false" ] }, { "ans": [ "To regulate oxygen flow.", "false" ] } ] }, { "ch": "What is a molecular sieve oxygen generator (MSOG)?", "ansGr": [ { "ans": [ "A device that separates oxygen from the air.", "true" ] }, { "ans": [ "A type of chemical oxygen generator.", "false" ] }, { "ans": [ "A device that converts liquid oxygen to gaseous oxygen.", "false" ] } ] }, { "ch": "Why should oxygen system shutoff valves be opened slowly?", "ansGr": [ { "ans": [ "To prevent rapid compression and possible ignition", "true" ] }, { "ans": [ "To conserve oxygen", "false" ] }, { "ans": [ "To make it easier to control the flow.", "false" ] } ] }, { "ch": "What is the purpose of the black rectangular symbol overprinted on a white background found on oxygen system tubing?", "ansGr": [ { "ans": [ "To identify the tubing as part of the oxygen system.", "true" ] }, { "ans": [ "To show the direction of oxygen flow.", "false" ] }, { "ans": [ "To warn of high-pressure oxygen.", "false" ] } ] }, { "ch": "What is a key characteristic of a demand-flow oxygen system?", "ansGr": [ { "ans": [ "It delivers oxygen only when the user inhales.", "true" ] }, { "ans": [ "It provides a continuous flow of oxygen.", "false" ] }, { "ans": [ "It uses chemical oxygen generators.", "false" ] } ] }, { "ch": "Why are oxygen cylinders sometimes filled to a higher pressure than their standard maximum pressure rating?", "ansGr": [ { "ans": [ "To compensate for the decrease in temperature and pressure at altitude.", "true" ] }, { "ans": [ "To increase the duration of oxygen supply.", "false" ] }, { "ans": [ "To account for potential leaks in the oxygen system.", "false" ] } ] }, { "ch": "What is the function of a calibrated orifice in a continuous-flow oxygen mask?", "ansGr": [ { "ans": [ "To control the flow rate of oxygen to the user.", "true" ] }, { "ans": [ "To filter out impurities in the oxygen.", "false" ] }, { "ans": [ "To prevent the mask from detaching.", "false" ] } ] }, { "ch": "Why is it important to record the remaining pressure in a cylinder after it has dispensed oxygen?", "ansGr": [ { "ans": [ "To track the usage and ensure cylinders are replaced when necessary.", "true" ] }, { "ans": [ "To calculate the cost of refilling the oxygen cylinders.", "false" ] }, { "ans": [ "To monitor the overall pressure in the oxygen filler cart manifold.", "false" ] } ] }, { "ch": "What is the primary advantage of chemical oxygen systems over gaseous oxygen systems in terms of safety?", "ansGr": [ { "ans": [ "Chemical oxygen systems do not produce oxygen until it is needed, reducing transportation and storage risks.", "true" ] }, { "ans": [ "Chemical oxygen systems are less likely to leak.", "false" ] }, { "ans": [ "Chemical oxygen systems are more resistant to damage.", "false" ] } ] }, { "ch": "How are chemical oxygen generators in an airliner's overhead passenger service units (PSUs) activated?", "ansGr": [ { "ans": [ "By pulling the mask down into a usable position.", "true" ] }, { "ans": [ "By pressing a button on the PSU.", "false" ] }, { "ans": [ "By a loud noise indicating depressurization.", "false" ] } ] }, { "ch": "Why is it important to avoid rapid decompression of oxygen systems?", "ansGr": [ { "ans": [ "To prevent heat build-up and possible ignition.", "true" ] }, { "ans": [ "To conserve oxygen.", "false" ] }, { "ans": [ "To prevent damage to the masks.", "false" ] } ] }, { "ch": "How does an EDS conserve oxygen compared to a continuous flow system?", "ansGr": [ { "ans": [ "By eliminating oxygen flow during the exhale and pause phases of breathing.", "true" ] }, { "ans": [ "By reducing the overall oxygen flow rate.", "false" ] }, { "ans": [ "By shutting off the oxygen supply when the user is not breathing.", "false" ] } ] }, { "ch": "What is the purpose of the emergency bypass switch on a permanently mounted EPD system?", "ansGr": [ { "ans": [ "To provide continuous oxygen flow in case of system malfunction.", "true" ] }, { "ans": [ "To allow the user to manually adjust the oxygen flow rate.", "false" ] }, { "ans": [ "To activate the system in case of a power failure.", "false" ] } ] }, { "ch": "What is the purpose of the diluter lever on an oxygen mask regulator?", "ansGr": [ { "ans": [ "To adjust the mix of oxygen and cabin air.", "true" ] }, { "ans": [ "To turn the oxygen flow on and off.", "false" ] }, { "ans": [ "To control the pressure of the oxygen delivered.", "false" ] } ] }, { "ch": "What is a cannula in an oxygen system?", "ansGr": [ { "ans": [ "A small tube that delivers oxygen directly into the nostrils.", "true" ] }, { "ans": [ "A valve that controls the flow of oxygen.", "false" ] }, { "ans": [ "A filter that removes impurities from the oxygen.", "false" ] } ] }, { "ch": "Why is the blowout disk typically located on the fuselage skin?", "ansGr": [ { "ans": [ "To make it easily visible during external inspections.", "true" ] }, { "ans": [ "To protect it from damage.", "false" ] }, { "ans": [ "To ensure it is accessible for maintenance.", "false" ] } ] }, { "ch": "What is the difference between a diluter-demand regulator and a pressure-demand regulator?", "ansGr": [ { "ans": [ "A pressure-demand regulator delivers oxygen under positive pressure.", "true" ] }, { "ans": [ "A diluter-demand regulator only delivers oxygen above 10,000 feet.", "false" ] }, { "ans": [ "A pressure-demand regulator does not mix oxygen with cabin air.", "false" ] } ] }, { "ch": "What is the purpose of the emergency setting on a diluter-demand regulator?", "ansGr": [ { "ans": [ "To bypass the demand function and provide a continuous flow of 100% oxygen.", "true" ] }, { "ans": [ "To shut off the oxygen flow completely.", "false" ] }, { "ans": [ "To increase the amount of cabin air mixed with the oxygen.", "false" ] } ] }, { "ch": "What is the main advantage of an electronic pulse demand oxygen system (EDS)?", "ansGr": [ { "ans": [ "It conserves oxygen by delivering it in pulses only during inhalation.", "true" ] }, { "ans": [ "It is simpler and cheaper than other systems.", "false" ] }, { "ans": [ "It delivers a continuous flow of oxygen, ensuring a constant supply.", "false" ] } ] }, { "ch": "How do flow indicators in continuous flow oxygen systems help users?", "ansGr": [ { "ans": [ "They provide a visual indication of oxygen flow and allow for flow rate adjustment.", "true" ] }, { "ans": [ "They warn the user if the oxygen supply is low.", "false" ] }, { "ans": [ "They automatically adjust the oxygen flow rate based on altitude.", "false" ] } ] }, { "ch": "What is a key safety precaution when working on oxygen systems?", "ansGr": [ { "ans": [ "Ensure the system is depressurized and purged before starting work.", "true" ] }, { "ans": [ "Use standard aircraft lubricants on oxygen system components.", "false" ] }, { "ans": [ "Work in a confined space to prevent oxygen leakage.", "false" ] } ] }, { "ch": "Why is it important to avoid using oil or grease on oxygen system components?", "ansGr": [ { "ans": [ "Oil and grease can react with oxygen and cause a fire.", "true" ] }, { "ans": [ "Oil and grease can clog oxygen lines.", "false" ] }, { "ans": [ "Oil and grease can damage oxygen masks and regulators.", "false" ] } ] }, { "ch": "What is the purpose of the \"oxygen\" markings and placards found on aircraft?", "ansGr": [ { "ans": [ "To clearly identify oxygen components and prevent improper servicing.", "true" ] }, { "ans": [ "To indicate the direction of oxygen flow.", "false" ] }, { "ans": [ "To warn of the dangers of high-pressure oxygen.", "false" ] } ] }, { "ch": "What is the primary function of a smoke hood?", "ansGr": [ { "ans": [ "To protect the user's eyes, nose, and mouth from smoke and fumes.", "true" ] }, { "ans": [ "To provide a higher concentration of oxygen than a regular mask.", "false" ] }, { "ans": [ "To be used by passengers in case of a cabin fire.", "false" ] } ] }, { "ch": "What type of oxygen system is most likely to be found on a modern fighter jet?", "ansGr": [ { "ans": [ "On-Board Oxygen Generating System (OBOGS)", "true" ] }, { "ans": [ "Liquid Oxygen (LOX) system", "false" ] }, { "ans": [ "Gaseous oxygen system with pressure-demand masks", "false" ] } ] }, { "ch": "What is a Dewar bottle used for in an oxygen system?", "ansGr": [ { "ans": [ "To store and convert liquid oxygen (LOX) to gaseous oxygen.", "true" ] }, { "ans": [ "To filter out impurities from gaseous oxygen", "false" ] }, { "ans": [ "To measure the flow rate of oxygen.", "false" ] } ] }, { "ch": "What is the purpose of the temperature compensation chart used when filling oxygen cylinders?", "ansGr": [ { "ans": [ "To adjust the filling pressure based on the ambient temperature.", "true" ] }, { "ans": [ "To determine the correct type of oxygen to use", "false" ] }, { "ans": [ "To calculate the remaining service life of the cylinder.", "false" ] } ] }, { "ch": "What can be inferred about the purpose of the blinking device or colored pith object in demand- flow oxygen system indicators?", "ansGr": [ { "ans": [ "To confirm that oxygen is being delivered when the user inhales.", "true" ] }, { "ans": [ "To indicate the remaining amount of oxygen.", "false" ] }, { "ans": [ "To warn the user of a leak in the oxygen system.", "false" ] } ] }, { "ch": "What is the primary reason for oxygen system maintenance?", "ansGr": [ { "ans": [ "To ensure the system is functioning correctly and safely.", "true" ] }, { "ans": [ "To reduce the weight of the system.", "false" ] }, { "ans": [ "To increase the lifespan of the oxygen cylinders.", "false" ] } ] }, { "ch": "What type of leak detection fluid should be used in oxygen systems?", "ansGr": [ { "ans": [ "An oxygen-safe, soapy solution that is free of contaminants.", "true" ] }, { "ans": [ "Any standard aircraft leak detection fluid.", "false" ] }, { "ans": [ "Plain water with a small amount of dish soap.", "false" ] } ] }, { "ch": "What is the primary hazard associated with adiabatic compression in oxygen systems?", "ansGr": [ { "ans": [ "It can generate high temperatures, leading to fire or explosion.", "true" ] }, { "ans": [ "It can cause leaks in the oxygen lines.", "false" ] }, { "ans": [ "It can reduce the flow rate of oxygen to the user.", "false" ] } ] }, { "ch": "What is the procedure for draining an oxygen system?", "ansGr": [ { "ans": [ "It involves safely releasing oxygen into the atmosphere.", "true" ] }, { "ans": [ "It requires complete disassembly of the system", "false" ] }, { "ans": [ "It is not necessary to drain an oxygen system.", "false" ] } ] }, { "ch": "What is the significance of the oxygen cylinder service life?", "ansGr": [ { "ans": [ "Cylinders must be removed from service after a specified time or number of fillings", "true" ] }, { "ans": [ "Service life is irrelevant as long as the cylinder passes the hydrostatic test.", "false" ] }, { "ans": [ "Oxygen cylinders have an indefinite service life", "false" ] } ] }, { "ch": "If a mechanic notices a fluid leak near an oxygen line during a routine inspection, what should they do?", "ansGr": [ { "ans": [ "Immediately report the leak and avoid any further work on the system until the leak is identified and repaired.", "true" ] }, { "ans": [ "Wipe up the leak and continue the inspection.", "false" ] }, { "ans": [ "Tighten any nearby fittings to try to stop the leak.", "false" ] } ] }, { "ch": "Why is it important to avoid using adhesive tape on oxygen systems?", "ansGr": [ { "ans": [ "It can react with oxygen and ignite.", "true" ] }, { "ans": [ "It can leave residue that contaminates the oxygen.", "false" ] }, { "ans": [ "It can restrict the flow of oxygen in the system.", "false" ] } ] }, { "part": "M13.18 ATA 36", "ch": "Which component is responsible for removing moisture from the oil plumping system?", "ansGr": [ { "ans": [ "Oil separator", "true" ] }, { "ans": [ "Oil tank", "false" ] }, { "ans": [ "Oil tube", "false" ] } ] }, { "ch": "What type of containers are typically used in high pressure pneumatic systems for emergency use?", "ansGr": [ { "ans": [ "Pressurized air or nitrogen containers", "true" ] }, { "ans": [ "Hydraulic fluid reservoirs", "false" ] }, { "ans": [ "Vacuum chambers", "false" ] } ] }, { "ch": "What should be on a high pressure pneumatic reservoir?", "ansGr": [ { "ans": [ "The date of manufacture and safe working pressure", "true" ] }, { "ans": [ "Expiry date", "false" ] }, { "ans": [ "Pressure in reserve", "false" ] } ] }, { "ch": "How many ports does a typical high-pressure storage bottle has?", "ansGr": [ { "ans": [ "2", "true" ] }, { "ans": [ "3", "false" ] }, { "ans": [ "4", "false" ] } ] }, { "ch": "What type of compressors are typically used in high-pressure pneumatic systems?", "ansGr": [ { "ans": [ "Oil lubricated compressors", "true" ] }, { "ans": [ "Water-cooled compressors", "false" ] }, { "ans": [ "Electric compressors only", "false" ] } ] }, { "ch": "What is the purpose of check valve?", "ansGr": [ { "ans": [ "Prevent backflow", "true" ] }, { "ans": [ "Prevent excess pressure", "false" ] }, { "ans": [ "Allow backflow", "false" ] } ] }, { "ch": "How to check the lubricating oil level of the air compressor?", "ansGr": [ { "ans": [ "In accordance with the applicable manufacturer’s instructions", "true" ] }, { "ans": [ "Weekly", "false" ] }, { "ans": [ "No need", "false" ] } ] }, { "ch": "What is the function of the control valve in a high-pressure pneumatic reservoir?", "ansGr": [ { "ans": [ "To keep air trapped inside the bottle until needed", "true" ] }, { "ans": [ "To measure the temperature of the air inside", "false" ] }, { "ans": [ "To filter impurities from the air", "false" ] } ] }, { "ch": "What is the purpose of pressure reducing valves in a high pressure pneumatic system?", "ansGr": [ { "ans": [ "To lower the system pressure for specific components", "true" ] }, { "ans": [ "To increase the system pressure for all components", "false" ] }, { "ans": [ "To monitor the temperature of the pneumatic fluid", "false" ] } ] }, { "ch": "What does high pressure pneumatic system maintenance include?", "ansGr": [ { "ans": [ "Servicing, troubleshooting, removal/installation of components, and operational testing", "true" ] }, { "ans": [ "Servicing, troubleshooting, removal/installation of components", "false" ] }, { "ans": [ "Removal/installation of components, and operational testing", "false" ] } ] }, { "ch": "What is the purpose of an isolation valve in a medium pressure pneumatic system?", "ansGr": [ { "ans": [ "Separate the pneumatic manifold from engine bleed air supply", "true" ] }, { "ans": [ "Prevent backflow", "false" ] }, { "ans": [ "Prevent excess pressure", "false" ] } ] }, { "ch": "How does a bleed air pneumatic system normally store pneumatic air?", "ansGr": [ { "ans": [ "Bleed air pneumatic system normally does not store pneumatic air in any particular container", "true" ] }, { "ans": [ "Bleed air pneumatic system store pneumatic air in a composite container", "false" ] }, { "ans": [ "Bleed air pneumatic system store pneumatic air in a stainless steel container", "false" ] } ] }, { "ch": "What type of valve is used to control the flow of pneumatic air from the APU?", "ansGr": [ { "ans": [ "Shutoff valve", "true" ] }, { "ans": [ "Isolation valve", "false" ] }, { "ans": [ "Check valve", "false" ] } ] }, { "ch": "Which compressor supplies the bulk of the pneumatic system demand?", "ansGr": [ { "ans": [ "Intermediate stage compressor", "true" ] }, { "ans": [ "Low stage compressor", "false" ] }, { "ans": [ "High stage", "false" ] } ] }, { "ch": "What is the diameter of the medium pressure pneumatic system?", "ansGr": [ { "ans": [ "3-4 inch", "true" ] }, { "ans": [ "2-3 inch", "false" ] }, { "ans": [ "4-5 inch", "false" ] } ] }, { "ch": "What is the normal temperature in the pneumatic manifold?", "ansGr": [ { "ans": [ "200°C", "true" ] }, { "ans": [ "100°C", "false" ] }, { "ans": [ "300°C", "false" ] } ] }, { "ch": "What type of fluid does a pneumatic pump use?", "ansGr": [ { "ans": [ "Gas", "true" ] }, { "ans": [ "Oil", "false" ] }, { "ans": [ "Hydraulic", "false" ] } ] }, { "ch": "What are the properties of the air flow blown through the impeller of a centrifugal pump?", "ansGr": [ { "ans": [ "Increasing both the velocity and the pressure", "true" ] }, { "ans": [ "Increasing the velocity and decreasing the pressure", "false" ] }, { "ans": [ "Decreasing the velocity and increasing the pressure", "false" ] } ] }, { "ch": "What type of air compressor is commonly used on the engines of large aircraft?", "ansGr": [ { "ans": [ "Axial flow", "true" ] }, { "ans": [ "Centrifugal impeller", "false" ] }, { "ans": [ "Piston", "false" ] } ] }, { "ch": "What type of air compressor is used in APU?", "ansGr": [ { "ans": [ "Centrifugal compressor", "true" ] }, { "ans": [ "Axial compressor", "false" ] }, { "ans": [ "Displacement compressor", "false" ] } ] }, { "ch": "What is a warning sign in case of excessive pressure in the pneumatic manifold?", "ansGr": [ { "ans": [ "Advisory light", "true" ] }, { "ans": [ "Nothing", "false" ] }, { "ans": [ "Bell", "false" ] } ] }, { "ch": "How to see the temperature of the air in the pneumatic manifold in the cockpit?", "ansGr": [ { "ans": [ "Using a gauge", "true" ] }, { "ans": [ "Using a clock", "false" ] }, { "ans": [ "using a ruler", "false" ] } ] }, { "ch": "What information does the air synoptic display show?", "ansGr": [ { "ans": [ "Duct pressure", "true" ] }, { "ans": [ "Check valve position", "false" ] }, { "ans": [ "Air compressor status", "false" ] } ] }, { "ch": "What does the X symbol on the isolation valve on the maintenance page mean?", "ansGr": [ { "ans": [ "The valve has failed or the switch on the bleed air/pressurization panel for the valve is in the non-normal position", "true" ] }, { "ans": [ "Valve is open", "false" ] }, { "ans": [ "Valve is close", "false" ] } ] }, { "ch": "In a twin-engine aircraft vacuum system, how is each vacuum pump driven?", "ansGr": [ { "ans": [ "By each engine of the aircraft", "true" ] }, { "ans": [ "By the vacuum manifold", "false" ] }, { "ans": [ "By the aircraft's electrical system", "false" ] } ] }, { "ch": "What is the purpose of the four-way selector valve in a twin-engine aircraft vacuum system?", "ansGr": [ { "ans": [ "To allow either pump to supply vacuum to the manifold", "true" ] }, { "ans": [ "To allow only one pump to supply vacuum to the manifold", "false" ] }, { "ans": [ "To allow both pumps to supply vacuum simultaneously to the system", "false" ] } ] }, { "ch": "Which component is used to reduce vacuum for the turn and bank indicators?", "ansGr": [ { "ans": [ "Needle valve", "true" ] }, { "ans": [ "Vacuum relief valve", "false" ] }, { "ans": [ "Check valve", "false" ] } ] }, { "ch": "What is the main difference between single-use high-pressure pneumatic systems and rechargeable systems?", "ansGr": [ { "ans": [ "Rechargeable systems allow the pneumatic system to operate components repeatedly rather than just once.", "true" ] }, { "ans": [ "Single-use systems only use nitrogen, while rechargeable systems use air.", "false" ] }, { "ans": [ "Single-use systems have compressors, while rechargeable systems do not.", "false" ] } ] }, { "ch": "What is a characteristic of single-use high-pressure pneumatic systems?", "ansGr": [ { "ans": [ "They are completely discharged after use.", "true" ] }, { "ans": [ "They are recharged by compressors during flight.", "false" ] }, { "ans": [ "They can only use nitrogen gas.", "false" ] } ] }, { "ch": "What are the main sources for high-pressure pneumatic systems on aircraft?", "ansGr": [ { "ans": [ "Engine-driven compressors, other on-board compressors, ground air, and ground nitrogen sources.", "true" ] }, { "ans": [ "Engine-driven compressors, other on-board compressors, and ground nitrogen sources.", "false" ] }, { "ans": [ "Engine-driven compressors, other on-board compressors, ground air, ground nitrogen sources and Solar-powered compressors.", "false" ] } ] }, { "ch": "At what pressures is air typically stored in metal bottles for high-pressure systems?", "ansGr": [ { "ans": [ "1000 to 3000 psi", "true" ] }, { "ans": [ "3000 to 5000 psi", "false" ] }, { "ans": [ "500 to 1000 psi", "false" ] } ] }, { "ch": "What material is the high-pressure storage cylinder typically made of?", "ansGr": [ { "ans": [ "Wire-wrapped steel", "true" ] }, { "ans": [ "Solid aluminum", "false" ] }, { "ans": [ "Plastic composite", "false" ] } ] }, { "ch": "How is a high-pressure bottle typically charged in a pneumatic system?", "ansGr": [ { "ans": [ "With either an on-board compressor or a ground source.", "true" ] }, { "ans": [ "Using only nitrogen gas.", "false" ] }, { "ans": [ "Only with a ground-operated compressor.", "false" ] } ] }, { "ch": "What is the purpose of the high-pressure pneumatic back-up system in some aircraft?", "ansGr": [ { "ans": [ "To extend the landing gear or actuate the brakes if the main system fails", "true" ] }, { "ans": [ "To operate the engines", "false" ] }, { "ans": [ "To control the cabin pressure", "false" ] } ] }, { "ch": "Where is the nitrogen for emergency landing gear extension stored?", "ansGr": [ { "ans": [ "In two bottles, one on each side of the nose wheel well", "true" ] }, { "ans": [ "In the main hydraulic reservoir", "false" ] }, { "ans": [ "In one bottle located in the cockpit", "false" ] } ] }, { "ch": "What does the dump valve do during the emergency landing gear extension?", "ansGr": [ { "ans": [ "It isolates the landing gear system from the hydraulic system.", "true" ] }, { "ans": [ "It recharges the hydraulic system.", "false" ] }, { "ans": [ "It releases nitrogen from the system.", "false" ] } ] }, { "ch": "In the main position of the turn-and-bank selector valve, what does the vacuum gauge display?", "ansGr": [ { "ans": [ "The vacuum in the lines of the artificial horizons and directional gyro", "true" ] }, { "ans": [ "No vacuum reading", "false" ] }, { "ans": [ "The vacuum for the turn and bank indicators", "false" ] } ] }, { "ch": "If one vacuum pump fails, how can the system continue to operate?", "ansGr": [ { "ans": [ "The remaining pump can supply vacuum through the manifold using the four-way selector valve", "true" ] }, { "ans": [ "The system will stop functioning", "false" ] }, { "ans": [ "The vacuum pressure will be maintained by the check valve", "false" ] } ] }, { "ch": "What is the purpose of the drain line in the twin-engine aircraft vacuum system?", "ansGr": [ { "ans": [ "To ensure no fluid accumulates at the lowest point in the system", "true" ] }, { "ans": [ "To maintain vacuum pressure in the system", "false" ] }, { "ans": [ "To connect vacuum-operated instruments to the four-way selector valve", "false" ] } ] }, { "ch": "What is a similarity between rechargeable pneumatic systems and hydraulic systems?", "ansGr": [ { "ans": [ "Both can operate components repeatedly.", "true" ] }, { "ans": [ "Both require nitrogen containers to function.", "false" ] }, { "ans": [ "Both do not use compressors during flight.", "false" ] } ] }, { "ch": "How are nitrogen storage containers for pneumatic systems typically filled?", "ansGr": [ { "ans": [ "Using ground-based compressors or high-pressure bottle transfer.", "true" ] }, { "ans": [ "By absorbing nitrogen from the atmosphere.", "false" ] }, { "ans": [ "Using only on-board compressors.", "false" ] } ] }, { "ch": "What information is stamped on the high-pressure storage cylinder?", "ansGr": [ { "ans": [ "The date of manufacture, safe working pressure, and the last hydrostatic test date", "true" ] }, { "ans": [ "The serial number, manufacturer’s name, and cylinder color", "false" ] }, { "ans": [ "The type of gas contained and storage temperature", "false" ] } ] }, { "ch": "Why is a standpipe commonly used at the discharge port of the container?", "ansGr": [ { "ans": [ "To prevent water collected inside the container from entering the system", "true" ] }, { "ans": [ "To reduce the speed of air exiting the container", "false" ] }, { "ans": [ "To increase the air pressure as it exits", "false" ] } ] }, { "ch": "What type of high-pressure systems use this type of container with a standpipe?", "ansGr": [ { "ans": [ "Both one-time and multi-deployment systems", "true" ] }, { "ans": [ "Only one-time use systems", "false" ] }, { "ans": [ "Only multi-deployment systems", "false" ] } ] }, { "ch": "What is the purpose of the control valve on a high-pressure storage bottle?", "ansGr": [ { "ans": [ "It traps air inside the bottle until the system is operated.", "true" ] }, { "ans": [ "It prevents nitrogen from entering the bottle.", "false" ] }, { "ans": [ "It regulates the bottle's charging pressure.", "false" ] } ] }, { "ch": "What type of lines are used to distribute pneumatic power in high-pressure systems?", "ansGr": [ { "ans": [ "High-pressure steel or stainless steel lines", "true" ] }, { "ans": [ "Plastic or composite lines", "false" ] }, { "ans": [ "Copper or aluminum lines", "false" ] } ] }, { "ch": "What role does a shuttle valve play in one-time or emergency pneumatic systems?", "ansGr": [ { "ans": [ "It closes off normal system flow and allows high-pressure air to operate the component.", "true" ] }, { "ans": [ "It traps air inside the compressor.", "false" ] }, { "ans": [ "It increases system pressure.", "false" ] } ] }, { "ch": "Why are pressure regulators and relief valves important in a high-pressure pneumatic system?", "ansGr": [ { "ans": [ "They control the pressure and limit excess pressure in case of regulator failure.", "true" ] }, { "ans": [ "They allow continuous air flow to all components.", "false" ] }, { "ans": [ "They prevent air from entering the system.", "false" ] } ] }, { "ch": "How does high-pressure nitrogen function in the emergency back-up system?", "ansGr": [ { "ans": [ "It applies pressure to move hydraulic fluid to the actuator", "true" ] }, { "ans": [ "It powers the electrical system", "false" ] }, { "ans": [ "It directly actuates the landing gear and brakes", "false" ] } ] }, { "ch": "What must maintenance personnel do once the nitrogen bottles are depleted?", "ansGr": [ { "ans": [ "Recharge them with nitrogen", "true" ] }, { "ans": [ "Replace them with new bottles", "false" ] }, { "ans": [ "Refill them with hydraulic fluid", "false" ] } ] }, { "ch": "How long does it take to vent nitrogen from the emergency landing gear extension system?", "ansGr": [ { "ans": [ "Approximately 30 seconds", "true" ] }, { "ans": [ "Approximately 10 seconds", "false" ] }, { "ans": [ "Approximately 1 minute", "false" ] } ] }, { "ch": "What happens when the EMER LDG GEAR handle is pulled fully outward?", "ansGr": [ { "ans": [ "Nitrogen is released to the landing gear selector/dump valve.", "true" ] }, { "ans": [ "The hydraulic system pressure is increased.", "false" ] }, { "ans": [ "The landing gear doors close.", "false" ] } ] }, { "ch": "What indicates that the dump valve has been activated?", "ansGr": [ { "ans": [ "A blue DUMP legend on the LDG GR DUMP switch", "true" ] }, { "ans": [ "A green DOWN AND LOCKED light on the landing gear control panel", "false" ] }, { "ans": [ "A red light in the landing gear control handle", "false" ] } ] }, { "ch": "Where is the LDG GR DUMP switch located?", "ansGr": [ { "ans": [ "On the flight deck overhead panel", "true" ] }, { "ans": [ "Next to the landing gear control handle", "false" ] }, { "ans": [ "On the side of the F/O", "false" ] } ] }, { "ch": "What is illuminated once the landing gear is fully extended and locked?", "ansGr": [ { "ans": [ "Three green DOWN AND LOCKED lights", "true" ] }, { "ans": [ "A blue DUMP legend on the LDG GR DUMP switch", "false" ] }, { "ans": [ "A red DUMP light on the dump valve switch", "false" ] } ] }, { "ch": "What is the purpose of purging the pneumatic system?", "ansGr": [ { "ans": [ "To remove contamination, moisture, or oil from the system", "true" ] }, { "ans": [ "To refill the system with nitrogen", "false" ] }, { "ans": [ "To increase the system’s pressure", "false" ] } ] }, { "ch": "What should be done after adding oil to the compressor oil tank?", "ansGr": [ { "ans": [ "Torque and secure the filler plug with safety wire", "true" ] }, { "ans": [ "Purge the system immediately", "false" ] }, { "ans": [ "Run the compressor to check the oil level", "false" ] } ] }, { "ch": "What is the purpose of the isolation valve in the pneumatic manifold?", "ansGr": [ { "ans": [ "To turn the bleed air supply ON and OFF for each engine", "true" ] }, { "ans": [ "To increase the pressure in the manifold", "false" ] }, { "ans": [ "To regulate the air temperature", "false" ] } ] }, { "ch": "What does the APU use to supply air to the pneumatic manifold?", "ansGr": [ { "ans": [ "A dedicated load compressor", "true" ] }, { "ans": [ "The ground pneumatic air supply adapter", "false" ] }, { "ans": [ "A bleed air tap from the compressor section of the engine", "false" ] } ] }, { "ch": "What is the main source of air for a medium pressure pneumatic system?", "ansGr": [ { "ans": [ "Bleed air from the compressor section of a turbine engine", "true" ] }, { "ans": [ "Hydraulic pump", "false" ] }, { "ans": [ "Air bottle/storage reservoir", "false" ] } ] }, { "ch": "Which component in a medium pressure pneumatic system controls the flow of bleed air from the APU?", "ansGr": [ { "ans": [ "Shutoff or regulating valve", "true" ] }, { "ans": [ "Pressure gauge", "false" ] }, { "ans": [ "Air bottle", "false" ] } ] }, { "ch": "What is the purpose of the pneumatic manifold in the bleed air system?", "ansGr": [ { "ans": [ "To route air to components like engine starters and wing anti-ice ducts", "true" ] }, { "ans": [ "To store hydraulic fluid for various systems on the aircraft, ensuring efficient operations", "false" ] }, { "ans": [ "To connect the engines directly to the hydraulic system for additional support", "false" ] } ] }, { "ch": "What is the primary source of air for the airliner pneumatic system under normal conditions?", "ansGr": [ { "ans": [ "Intermediate-stage compressor bleed air", "true" ] }, { "ans": [ "Air from the auxiliary power unit (APU)", "false" ] }, { "ans": [ "High-stage compressor bleed air", "false" ] } ] }, { "ch": "Which computer regulates the pneumatic system on a Boeing 777?", "ansGr": [ { "ans": [ "Air Supply Cabin Pressure Controller (ASCPC)", "true" ] }, { "ans": [ "Airfoil and Cowl Ice Protection System (ACIPS)", "false" ] }, { "ans": [ "Auxiliary Power Unit Controller (APUC)", "false" ] } ] }, { "ch": "What is the typical diameter of ducting used for high-volume components like engine starting and wing anti-ice?", "ansGr": [ { "ans": [ "3-4 inches", "true" ] }, { "ans": [ "5-6 inches", "false" ] }, { "ans": [ "1-2 inches", "false" ] } ] }, { "ch": "What happens when the bleed air temperature exceeds approximately 490°F on a Boeing 737?", "ansGr": [ { "ans": [ "A trip light illuminates, and the corresponding engine bleed valve closes.", "true" ] }, { "ans": [ "The isolation valve opens to reduce pressure and decrease the temperature in the affected area.", "false" ] }, { "ans": [ "The engine automatically shuts down to prevent any possible damage to other aircraft systems and ensure safety.", "false" ] } ] }, { "ch": "How is pneumatic manifold pressure monitored on twin-engine airliners?", "ansGr": [ { "ans": [ "Through a dual gauge connected to pressure transmitters for each engine", "true" ] }, { "ans": [ "Via a single gauge showing combined pressure for both engines", "false" ] }, { "ans": [ "By checking temperature switches that indicate abnormal pressure", "false" ] } ] }, { "ch": "What is the purpose of a shuttle valve in an emergency pneumatic braking system?", "ansGr": [ { "ans": [ "To prioritize and direct air flow into brake actuators", "true" ] }, { "ans": [ "To replace hydraulic fluid with air permanently", "false" ] }, { "ans": [ "To release air from the system", "false" ] } ] }, { "part": "M13.19 ATA 38", "ch": "Which aspect of the water system involves the removal of waste water?", "ansGr": [ { "ans": [ "Draining", "true" ] }, { "ans": [ "Distribution", "false" ] }, { "ans": [ "Supply", "false" ] } ] }, { "ch": "Where is potable water stored in an aircraft?", "ansGr": [ { "ans": [ "Below the cabin floor", "true" ] }, { "ans": [ "In the aft cabin", "false" ] }, { "ans": [ "In the overhead compartments", "false" ] } ] }, { "ch": "How are water servicing panels usually protected against icing?", "ansGr": [ { "ans": [ "By heating them", "true" ] }, { "ans": [ "By painting them black", "false" ] }, { "ans": [ "By insulating them with foam", "false" ] } ] }, { "ch": "How often should the water be drained and fresh water added to the system?", "ansGr": [ { "ans": [ "Every 3 days", "true" ] }, { "ans": [ "Every month", "false" ] }, { "ans": [ "Every week", "false" ] } ] }, { "ch": "What type of toilet system is commonly found in large passenger and freight aircraft?", "ansGr": [ { "ans": [ "Vacuum flush system", "true" ] }, { "ans": [ "Electric motor driven flush system", "false" ] }, { "ans": [ "Hydraulic flush system", "false" ] } ] }, { "ch": "Where is the waste tank rinse nozzle fitted?", "ansGr": [ { "ans": [ "To the top of the tank", "true" ] }, { "ans": [ "On the side of the tank", "false" ] }, { "ans": [ "On the bottom of the tank", "false" ] } ] }, { "ch": "What are the primary components of a water system in an aircraft?", "ansGr": [ { "ans": [ "Supply, distribution, servicing, and draining", "true" ] }, { "ans": [ "Temperature control and fuel monitoring", "false" ] }, { "ans": [ "Air conditioning and heating", "false" ] } ] }, { "ch": "Why are corrosion aspects important in water/waste systems?", "ansGr": [ { "ans": [ "To prevent damage and maintain the integrity of the system", "true" ] }, { "ans": [ "To enhance the appearance of the aircraft", "false" ] }, { "ans": [ "To increase fuel efficiency", "false" ] } ] }, { "ch": "What system typically pressurizes the potable water tanks in an aircraft?", "ansGr": [ { "ans": [ "Pneumatic system", "true" ] }, { "ans": [ "Electrical system", "false" ] }, { "ans": [ "Hydraulic system", "false" ] } ] }, { "ch": "How is water pushed through distribution lines to lavatories and galleys?", "ansGr": [ { "ans": [ "By pressure inside the tanks", "true" ] }, { "ans": [ "By gravity", "false" ] }, { "ans": [ "By manual pumping", "false" ] } ] }, { "ch": "What is available on the ground service panel for the potable water system?", "ansGr": [ { "ans": [ "A fitting for pressurizing the tank with an external air source", "true" ] }, { "ans": [ "A temperature control knob", "false" ] }, { "ans": [ "A fuel gauge", "false" ] } ] }, { "ch": "What is used to pressurize the potable water tanks on some aircraft instead of the pneumatic sy stem?", "ansGr": [ { "ans": [ "An electrically powered compressor", "true" ] }, { "ans": [ "A manual pump", "false" ] }, { "ans": [ "A hydraulic compressor", "false" ] } ] }, { "ch": "Where are in-line electric element heaters typically installed in the water system?", "ansGr": [ { "ans": [ "upstream of all hot water faucets", "true" ] }, { "ans": [ "Downstream of all cold water faucets", "false" ] }, { "ans": [ "Inside the water tanks", "false" ] } ] }, { "ch": "What connects the water supply tank(s) to the lavatory and galley sink faucets?", "ansGr": [ { "ans": [ "Reinforced plastic hoses", "true" ] }, { "ans": [ "Metal hoses", "false" ] }, { "ans": [ "Rubber hoses", "false" ] } ] }, { "ch": "What protection do electric heating elements in the water system have?", "ansGr": [ { "ans": [ "Overheat protection", "true" ] }, { "ans": [ "Waterproof coating", "false" ] }, { "ans": [ "Fireproof casing", "false" ] } ] }, { "ch": "What must technicians often connect or disconnect in modular units like galleys and lavatories?", "ansGr": [ { "ans": [ "Water distribution lines", "true" ] }, { "ans": [ "Electrical wiring", "false" ] }, { "ans": [ "Control cables", "false" ] } ] }, { "ch": "Why is it necessary to completely drain the water system before disinfecting it?", "ansGr": [ { "ans": [ "To prevent contamination and ensure proper disinfection", "true" ] }, { "ans": [ "To improve fuel efficiency", "false" ] }, { "ans": [ "To reduce the aircraft's weight", "false" ] } ] }, { "ch": "What component activates the timer in a toilet flushing system?", "ansGr": [ { "ans": [ "The toilet flush handle", "true" ] }, { "ans": [ "The water heater", "false" ] }, { "ans": [ "The cabin pressure gauge", "false" ] } ] }, { "ch": "How long is the typical flush time in an aircraft toilet flushing system?", "ansGr": [ { "ans": [ "8-12 seconds", "true" ] }, { "ans": [ "15-20 seconds", "false" ] }, { "ans": [ "5-7 seconds", "false" ] } ] }, { "ch": "How are modern vacuum toilets controlled?", "ansGr": [ { "ans": [ "By a flush control unit mounted close to the flush valve", "true" ] }, { "ans": [ "By remote control", "false" ] }, { "ans": [ "By the cockpit crew", "false" ] } ] }, { "ch": "Where is waste deposited in a vacuum flush system?", "ansGr": [ { "ans": [ "In a waste holding tank", "true" ] }, { "ans": [ "In a separate container inside the toilet bowl", "false" ] }, { "ans": [ "In a holding tank under each toilet", "false" ] } ] }, { "ch": "How long is potable water injected to rinse the toilet when flushed?", "ansGr": [ { "ans": [ "For 1 second", "true" ] }, { "ans": [ "For 5 seconds", "false" ] }, { "ans": [ "For 10 seconds", "false" ] } ] }, { "ch": "How does the water enter the waste tank for cleaning?", "ansGr": [ { "ans": [ "Through spray nozzles", "true" ] }, { "ans": [ "Through a manual pump", "false" ] }, { "ans": [ "Through an inlet valve", "false" ] } ] }, { "ch": "How does the waste from the toilet get into the tank?", "ansGr": [ { "ans": [ "Using suction", "true" ] }, { "ans": [ "By gravity", "false" ] }, { "ans": [ "By pressing a button in the cockpit", "false" ] } ] }, { "part": "M13.20 ATA 42", "ch": "What does the term \"IMA\" stand for?", "ansGr": [ { "ans": [ "Integrated Modular Avionics", "true" ] }, { "ans": [ "Integrated Mechanical Avionics", "false" ] }, { "ans": [ "International Modular Avionics", "false" ] } ] }, { "ch": "What does \"LRU\" stand for in the context of avionics systems?", "ansGr": [ { "ans": [ "Line Replaceable Unit", "true" ] }, { "ans": [ "Limited Resource Unit", "false" ] }, { "ans": [ "Load Regulating Unit", "false" ] } ] }, { "ch": "Which of the following digital data bus systems is the newest and used in aircraft like the A380 and B787?", "ansGr": [ { "ans": [ "AFDX", "true" ] }, { "ans": [ "ARINC 429", "false" ] }, { "ans": [ "ARINC 629", "false" ] } ] }, { "ch": "What is the primary function of a digital data bus in avionics systems?", "ansGr": [ { "ans": [ "To transfer information between equipment with fewer wires.", "true" ] }, { "ans": [ "To generate more power for avionics systems.", "false" ] }, { "ans": [ "To increase the number of wires used in communication.", "false" ] } ] }, { "ch": "What is the main function of the Common Core System (CCS) in IMA?", "ansGr": [ { "ans": [ "To process various types of information from integrated avionics systems.", "true" ] }, { "ans": [ "To replace all individual processors in the aircraft.", "false" ] }, { "ans": [ "To act as a backup power supply for avionics systems.", "false" ] } ] }, { "ch": "How does IMA reduce the overall weight of avionics systems?", "ansGr": [ { "ans": [ "By combining multiple functions into a single piece of equipment", "true" ] }, { "ans": [ "By eliminating the need for avionics entirely", "false" ] }, { "ans": [ "By using lighter materials in the construction of avionics", "false" ] } ] }, { "ch": "Which of the following best describes the design approach of IMA?", "ansGr": [ { "ans": [ "It allows the avionics system to be divided into replaceable modules.", "true" ] }, { "ans": [ "It integrates avionics systems without modularity.", "false" ] }, { "ans": [ "It focuses solely on cockpit-related functions.", "false" ] } ] }, { "ch": "How does IMA reduce the amount of wiring in an aircraft?", "ansGr": [ { "ans": [ "By integrating functions and using fewer modules and power supplies.", "true" ] }, { "ans": [ "By eliminating the need for LRUs entirely.", "false" ] }, { "ans": [ "By using analog signals instead of digital data buses.", "false" ] } ] }, { "ch": "Why is the use of twisted pair wires in ARINC 429 important?", "ansGr": [ { "ans": [ "It prevents electromagnetic interference during data transmission.", "true" ] }, { "ans": [ "It increases the number of wires needed.", "false" ] }, { "ans": [ "It allows faster data transmission without shielding.", "false" ] } ] }, { "ch": "Which of these systems is part of the cockpit functions in an IMA system?", "ansGr": [ { "ans": [ "Fly-by-wire electrical flight controls, communication and warning systems", "true" ] }, { "ans": [ "Engine Control Systems (FADEC), Fly-by-wire electrical flight controls", "false" ] }, { "ans": [ "Engine Control Systems (FADEC), communication and warning systems", "false" ] } ] }, { "ch": "What is one example of a computer assembly used in IMA design by Honeywell?", "ansGr": [ { "ans": [ "Cabinet Modules connected to a BACKPLANE for communication.", "true" ] }, { "ans": [ "Standalone systems with no interconnectivity.", "false" ] }, { "ans": [ "Single processor units without modular design.", "false" ] } ] }, { "ch": "How does the Common Core System (CCS) improve efficiency in avionics systems?", "ansGr": [ { "ans": [ "By sharing processing power among multiple tasks instead of using separate processors for each function.", "true" ] }, { "ans": [ "By increasing the number of processors in the system.", "false" ] }, { "ans": [ "By limiting the functions that can be performed simultaneously.", "false" ] } ] }, { "ch": "What are network components in the context of IMA systems?", "ansGr": [ { "ans": [ "Parts that allow data transfer into and out of the core system.", "true" ] }, { "ans": [ "Components used solely for power distribution.", "false" ] }, { "ans": [ "External devices unrelated to the IMA system.", "false" ] } ] }, { "ch": "What is the role of input devices in the IMA network components?", "ansGr": [ { "ans": [ "To receive data from a digital data bus and couple it to the core system processing circuits.", "true" ] }, { "ans": [ "To prepare output data for display in the cockpit.", "false" ] }, { "ans": [ "To generate data for the core system from external sensors.", "false" ] } ] }, { "ch": "Explain how IMA improves fault isolation and reliability in modern aircraft?", "ansGr": [ { "ans": [ "Through the use of modular design and BITE (Built-In-Test Equipment).", "true" ] }, { "ans": [ "By reducing the number of software-based functions used in avionics systems.", "false" ] }, { "ans": [ "By increasing the number of components used in the system.", "false" ] } ] }, { "ch": "Why can IMA be considered an advancement in avionics technology?", "ansGr": [ { "ans": [ "It reduces the bulk, space, and weight of avionics systems while improving reliability.", "true" ] }, { "ans": [ "It completely replaces the need for avionics systems in aircraft.", "false" ] }, { "ans": [ "It focuses primarily on reducing fuel consumption in modern aircraft.", "false" ] } ] }, { "ch": "What are the three main functional divisions of IMA in an aircraft system, based on the text?", "ansGr": [ { "ans": [ "Cockpit, Utilities, Cabin", "true" ] }, { "ans": [ "Electrical, Mechanical, Communication", "false" ] }, { "ans": [ "Navigation, Communication, Fuel Management", "false" ] } ] }, { "ch": "How does the integration of software-based functions in IMA systems contribute to their efficiency?", "ansGr": [ { "ans": [ "By allowing computer requirements for equipment to be shared among multiple functions.", "true" ] }, { "ans": [ "By eliminating the need for powerful computers in the avionics system.", "false" ] }, { "ans": [ "By reducing the number of functions that can be integrated into the system.", "false" ] } ] }, { "ch": "Why is IMA considered more fault-tolerant than traditional non-IMA systems?", "ansGr": [ { "ans": [ "Because redundant power supplies can continue to power all modules even if one or two fail.", "true" ] }, { "ans": [ "Because each black box has its own independent power supply.", "false" ] }, { "ans": [ "Because IMA systems do not require any power supplies at all.", "false" ] } ] }, { "ch": "How does the integration of LRUs into IMA improve system reliability and reduce space and weight?", "ansGr": [ { "ans": [ "By sharing power supplies and circuitry across modules, leading to fewer black boxes and less wiring.", "true" ] }, { "ans": [ "By increasing the number of separate components to ensure redundancy.", "false" ] }, { "ans": [ "By eliminating all electrical systems in favor of mechanical solutions.", "false" ] } ] }, { "ch": "What is the main advantage of using a single \"integrated\" indicator in modern avionics systems compared to older designs?", "ansGr": [ { "ans": [ "It consolidates multiple systems into one display, reducing cockpit clutter and pilot workload.", "true" ] }, { "ans": [ "It only shows information from one system at a time.", "false" ] }, { "ans": [ "It increases the number of indicators needed in the cockpit.", "false" ] } ] }, { "ch": "How do digital data buses contribute to the reduction of wiring in IMA-equipped aircraft?", "ansGr": [ { "ans": [ "They allow multiple systems to communicate over shared wiring, reducing the need for individual wires for each system.", "true" ] }, { "ans": [ "They replace all wiring with wireless communication.", "false" ] }, { "ans": [ "They require more wiring but increase data transfer speed.", "false" ] } ] }, { "ch": "How does IMA eliminate unnecessary duplication of data processing circuitry?", "ansGr": [ { "ans": [ "By integrating different avionics functions into fewer LRUs that share the same data processing circuitry.", "true" ] }, { "ans": [ "By requiring each system to have its own separate data processing unit.", "false" ] }, { "ans": [ "By reducing the total number of avionics systems in the aircraft.", "false" ] } ] }, { "ch": "How does ARINC 429 reduce the number of wires needed for data transfer compared to traditional systems?", "ansGr": [ { "ans": [ "By sending data serially over two wires instead of using multiple wires per digit.", "true" ] }, { "ans": [ "By eliminating the need for grounding wires.", "false" ] }, { "ans": [ "By increasing the number of wires used per digit.", "false" ] } ] }, { "ch": "What is one of the major advantages of using AFDX over earlier digital data bus systems like ARINC 429?", "ansGr": [ { "ans": [ "AFDX offers higher data transfer rates and better fault tolerance.", "true" ] }, { "ans": [ "AFDX requires more wires but has lower bandwidth.", "false" ] }, { "ans": [ "AFDX eliminates the need for shielding in data transmission.", "false" ] } ] }, { "ch": "How does serial data transfer in ARINC 429 reduces the number of wires needed in comparison to the traditional \"2×5 tuning\" method?", "ansGr": [ { "ans": [ "Serial data transfer sends one bit at a time using two wires, whereas the 2×5 method uses five wires per digit.", "true" ] }, { "ans": [ "Serial data transfer increases the number of wires needed per digit but speeds up the process.", "false" ] }, { "ans": [ "The 2×5 tuning method uses fewer wires but requires more time for data transfer.", "false" ] } ] }, { "ch": "How does AFDX’s use of a star topology contribute to its reliability in modern aircraft?", "ansGr": [ { "ans": [ "It ensures that data is distributed through a central network, reducing the likelihood of system failure.", "true" ] }, { "ans": [ "It uses point-to-point connections, which can increase the number of wires but improve speed.", "false" ] }, { "ans": [ "It allows for multiple wires to be used in parallel to ensure data redundancy.", "false" ] } ] }, { "ch": "What are the benefits of using digital data buses like ARINC 629 and AFDX in terms of weight savings for modern aircraft?", "ansGr": [ { "ans": [ "Fewer wires are needed, reducing overall wiring weight and simplifying aircraft design.", "true" ] }, { "ans": [ "More wires are needed, which increases the weight but provides faster data transfer.", "false" ] }, { "ans": [ "Data buses eliminate the need for electrical power in avionics systems.", "false" ] } ] }, { "ch": "How do Cabinet Modules in IMA systems facilitate intermodule communication?", "ansGr": [ { "ans": [ "They connect to a BACKPLANE that allows communication between modules and gateways.", "true" ] }, { "ans": [ "They operate independently without the need for communication.", "false" ] }, { "ans": [ "They use individual wiring for each module without any shared connections.", "false" ] } ] }, { "ch": "What is the main advantage of using commercially available computer operating systems in IMA system design?", "ansGr": [ { "ans": [ "It reduces cost and complexity in building IMA systems.", "true" ] }, { "ans": [ "It increases the size and weight of avionics systems.", "false" ] }, { "ans": [ "It eliminates the need for software upgrades.", "false" ] } ] }, { "ch": "How does employing existing commercial systems impact the design of software applications in IMA?", "ansGr": [ { "ans": [ "It avoids much initial software design and allows for easier upgrades.", "true" ] }, { "ans": [ "It requires completely new software development for each system.", "false" ] }, { "ans": [ "It limits the functionalities available in the IMA systems.", "false" ] } ] }, { "ch": "What way does the use of commercial operating systems in IMA design contribute to economic momentum?", "ansGr": [ { "ans": [ "It allows for reduced costs and complexity in application development and hardware building.", "true" ] }, { "ans": [ "It necessitates custom hardware that increases production costs.", "false" ] }, { "ans": [ "It focuses only on unique operating systems, limiting choices for manufacturers.", "false" ] } ] }, { "ch": "How does sharing of processing power in the Common Core System (CCS) contributes to reducing redundancy in avionics systems?", "ansGr": [ { "ans": [ "It eliminates the need for individual processors for each function, allowing multiple tasks to be performed by a single processor.", "true" ] }, { "ans": [ "It requires the use of specialized processors for every avionics function.", "false" ] }, { "ans": [ "It necessitates separate data pathways for each function, increasing system complexity.", "false" ] } ] }, { "ch": "How does the choice of data transfer systems, such as ARINC 429, ARINC 629, and AFDX, influences the design of network components in IMA systems?", "ansGr": [ { "ans": [ "The specific properties of input and output devices depend on the data transfer system being used, affecting how data is transmitted and processed.", "true" ] }, { "ans": [ "All data transfer systems require the same type of network components regardless of function.", "false" ] }, { "ans": [ "Network components must be custom-built for each individual aircraft model without regard for standardization.", "false" ] } ] }, { "ch": "What advantage does IMA (Intergrated Modular Avionics) offer with increasing software-based functions?", "ansGr": [ { "ans": [ "Shared computer resources", "true" ] }, { "ans": [ "Elimination of hardware", "false" ] }, { "ans": [ "Manual override of systems", "false" ] } ] }, { "ch": "What does \"modular\" refer to in IMA (Intergrated Modular Avionics) design?", "ansGr": [ { "ans": [ "System divided into replaceable modules", "true" ] }, { "ans": [ "Use of wireless components that does not need to be installed adjacent to each other", "false" ] }, { "ans": [ "Software-only architecture", "false" ] } ] }, { "ch": "What does AIMS stand for in the context of the Boeing 777?", "ansGr": [ { "ans": [ "Airplane Information Management System", "true" ] }, { "ans": [ "Aircraft Integration Management System", "false" ] }, { "ans": [ "Avionics Information Management System", "false" ] } ] }, { "ch": "How many line replaceable modules (LRMs) does each AIMS cabinet contain?", "ansGr": [ { "ans": [ "10", "true" ] }, { "ans": [ "8", "false" ] }, { "ans": [ "12", "false" ] } ] }, { "ch": "What is the primary data transfer format used by the Boeing 777 AIMS?", "ansGr": [ { "ans": [ "ARINC 629", "true" ] }, { "ans": [ "ARINC 429", "false" ] }, { "ans": [ "AFDX", "false" ] } ] }, { "ch": "What is the primary topology used in the Open IMA concept?", "ansGr": [ { "ans": [ "Star topology", "true" ] }, { "ans": [ "Ring topology", "false" ] }, { "ans": [ "Bus topology", "false" ] } ] }, { "ch": "How does ARINC 629 facilitate communication between the AIMS and other LRUs?", "ansGr": [ { "ans": [ "By using a bi-directional data bus, allowing two-way data transfer.", "true" ] }, { "ans": [ "By using multiple unidirectional buses for each LRU.", "false" ] }, { "ans": [ "By requiring separate wires for each type of information.", "false" ] } ] }, { "ch": "What advantages of fibre-optic Ethernet and AFDX provide in the later-developed Boeing 787 IMA system compared to the Boeing 777 AIMS?", "ansGr": [ { "ans": [ "Higher data transfer rates and improved integration between systems.", "true" ] }, { "ans": [ "Increased weight due to additional wiring.", "false" ] }, { "ans": [ "More complex data formats requiring additional processing.", "false" ] } ] }, { "ch": "How does the AIMS architecture allows for the integration of multiple avionics systems?", "ansGr": [ { "ans": [ "It uses a shared backplane bus and digital data buses to connect various systems for efficient data transfer and processing.", "true" ] }, { "ans": [ "It separates each avionics system with individual wiring to avoid interference.", "false" ] }, { "ans": [ "It employs a mechanical system to link each module separately.", "false" ] } ] }, { "ch": "How do the different display modes of the Navigation Display (ND) in the Boeing 777 AIMS enhance situational awareness for the flight crew?", "ansGr": [ { "ans": [ "By allowing the crew to switch between modes like VOR, Plan, Map, and Approach to view relevant navigation information.", "true" ] }, { "ans": [ "By limiting the information displayed to reduce distraction.", "false" ] }, { "ans": [ "By requiring the use of multiple separate screens for each mode.", "false" ] } ] }, { "ch": "How does the partitioning in the Open IMA concept enhance system performance?", "ansGr": [ { "ans": [ "It ensures that the performance of each application system is not affected by others.", "true" ] }, { "ans": [ "It combines multiple applications into a single processing module.", "false" ] }, { "ans": [ "It eliminates the need for digital data buses.", "false" ] } ] }, { "ch": "What are CPIOMs used for in the Open IMA concept?", "ansGr": [ { "ans": [ "To provide signal acquisition and transmission for various applications.", "true" ] }, { "ans": [ "To manage the overall performance of the aircraft.", "false" ] }, { "ans": [ "To control the physical layout of the avionics system.", "false" ] } ] }, { "ch": "What are the advantages of using a modular design in the Open IMA concept?", "ansGr": [ { "ans": [ "Modular design allows for system independence, ease of modifications, and ease of configuration.", "true" ] }, { "ans": [ "Modular design complicates the interconnection of systems, requiring more wiring.", "false" ] }, { "ans": [ "Modular design limits the functionality of individual components.", "false" ] } ] }, { "ch": "How does the fault tolerance feature in the Open IMA concept contributes to the safety of the aircraft?", "ansGr": [ { "ans": [ "Fault tolerance allows the aircraft to continue functioning even if one part of the system fails.", "true" ] }, { "ans": [ "Fault tolerance eliminates the need for maintenance checks.", "false" ] }, { "ans": [ "Fault tolerance reduces the overall complexity of the avionics system.", "false" ] } ] }, { "ch": "How does the using of digital data buses in the Open IMA concept improve system integration?", "ansGr": [ { "ans": [ "It reduces the amount of wiring needed and simplifies communication between modules.", "true" ] }, { "ans": [ "It increases the number of physical connections required for each module.", "false" ] }, { "ans": [ "It allows for more complex analog signal processing.", "false" ] } ] }, { "ch": "Compare the partitioning methods used in the Open IMA concept with traditional avionics systems:", "ansGr": [ { "ans": [ "The Open IMA concept utilizes strict timing, memory access controls, and I/O segregation, while traditional systems often lack such partitioning measures.", "true" ] }, { "ans": [ "Traditional systems have more flexible memory allocation than Open IMA systems.", "false" ] }, { "ans": [ "Traditional systems require more powerful processing units than the Open IMA concept.", "false" ] } ] }, { "part": "M13.21 ATA 44", "ch": "Which component is typically used for addressing passengers in the cabin?", "ansGr": [ { "ans": [ "Passenger Address system.", "true" ] }, { "ans": [ "Cabin interphone.", "false" ] }, { "ans": [ "External camera.", "false" ] } ] }, { "ch": "What is the purpose of cabin systems in aircraft?", "ansGr": [ { "ans": [ "To communicate within the cabin and between the cabin and cockpit.", "true" ] }, { "ans": [ "To store fuel for the aircraft.", "false" ] }, { "ans": [ "To control the aircraft's altitude.", "false" ] } ] }, { "ch": "Which of the following is a part of the cabin intercommunication data system?", "ansGr": [ { "ans": [ "Flight attendant panels.", "true" ] }, { "ans": [ "In-flight entertainment computer.", "false" ] }, { "ans": [ "Wireless network router.", "false" ] } ] }, { "ch": "What is the primary purpose of cabin Wi-Fi on an aircraft?", "ansGr": [ { "ans": [ "To allow passengers to connect their personal devices to the onboard system.", "true" ] }, { "ans": [ "To replace the cockpit communication system.", "false" ] }, { "ans": [ "To monitor cabin management systems remotely.", "false" ] } ] }, { "ch": "What is the primary use of the cabin interphone system?", "ansGr": [ { "ans": [ "To facilitate communication among crew members and passengers.", "true" ] }, { "ans": [ "To monitor external communications.", "false" ] }, { "ans": [ "To provide internet access to passengers.", "false" ] } ] }, { "ch": "Which of the following is a feature of the cabin intercommunication data system?", "ansGr": [ { "ans": [ "It allows flight attendants to communicate with each other.", "true" ] }, { "ans": [ "The system only allows the captain to communicate with the chief flight attendant.", "false" ] }, { "ans": [ "It provides data to passengers (Examples include movies, music, flight attendant announcements, etc)", "false" ] } ] }, { "ch": "What are the advantages of using digital systems in the cabin network service?", "ansGr": [ { "ans": [ "Reduced interference and increased data transfer speed.", "true" ] }, { "ans": [ "Greater reliance on analog technology.", "false" ] }, { "ans": [ "Simpler installation procedures.", "false" ] } ] }, { "ch": "What is the purpose of moving map displays in the cabin?", "ansGr": [ { "ans": [ "To show the aircraft's current location and altitude.", "true" ] }, { "ans": [ "To control in-flight entertainment options.", "false" ] }, { "ans": [ "To communicate with ground stations.", "false" ] } ] }, { "ch": "How does the cabin monitoring system assist flight attendants?", "ansGr": [ { "ans": [ "It provides real-time updates on cabin conditions.", "true" ] }, { "ans": [ "It helps them choose in-flight entertainment.", "false" ] }, { "ans": [ "It reduces the need for passenger interaction.", "false" ] } ] }, { "ch": "What is one major consideration for installing Wi-Fi in aircraft?", "ansGr": [ { "ans": [ "Limited bandwidth for all passengers.", "true" ] }, { "ans": [ "Unlimited internet access for every passenger.", "false" ] }, { "ans": [ "Enhanced mechanical control systems.", "false" ] } ] }, { "ch": "What is the primary limitation of ground-based communication systems?", "ansGr": [ { "ans": [ "Limited range due to reliance on radio towers.", "true" ] }, { "ans": [ "High costs compared to satellite systems.", "false" ] }, { "ans": [ "Incompatibility with modern aircraft routers.", "false" ] } ] }, { "ch": "How can cabin systems integrate to provide a seamless passenger experience?", "ansGr": [ { "ans": [ "By allowing passengers to access IFE through the cabin network.", "true" ] }, { "ans": [ "By separating entertainment from communication services.", "false" ] }, { "ans": [ "By limiting access to essential services only.", "false" ] } ] }, { "ch": "How does the cabin network service enhance the passenger experience during a flight?", "ansGr": [ { "ans": [ "By providing internet access and in-flight entertainment options.", "true" ] }, { "ans": [ "By monitoring cabin pressure and temperature.", "false" ] }, { "ans": [ "By ensuring safety regulations are met during takeoff.", "false" ] } ] }, { "ch": "How does the cabin network service integrate with other aircraft systems?", "ansGr": [ { "ans": [ "It connects to IFE and internet services for passenger use.", "true" ] }, { "ans": [ "It connects internet services for passenger use.", "false" ] }, { "ans": [ "It connects form IFE to Cabin Management System (CMS)", "false" ] } ] }, { "ch": "What impact does the cabin network service have on in-flight entertainment?", "ansGr": [ { "ans": [ "It allows for integration of IFE and internet services.", "true" ] }, { "ans": [ "It controls the cabin lighting systems.", "false" ] }, { "ans": [ "It ensures passenger safety during turbulence.", "false" ] } ] }, { "ch": "How does the cabin network service enable passenger connectivity?", "ansGr": [ { "ans": [ "By providing access to email and internet services while in flight.", "true" ] }, { "ans": [ "By managing cabin crew communication devices.", "false" ] }, { "ans": [ "By directly connecting to the device mounted on the seat.", "false" ] } ] }, { "ch": "Why is the cabin systems management unit (CSMU) essential in modern aircraft?", "ansGr": [ { "ans": [ "It coordinates data flow between the cabin intercommunication and IFE systems.", "true" ] }, { "ans": [ "It coordinates data flow between the cabin intercommunication and Cabin Management System (CMS)", "false" ] }, { "ans": [ "It monitors passenger baggage.", "false" ] } ] }, { "ch": "Why is ground-based communication generally faster than satellite-based communication?", "ansGr": [ { "ans": [ "Ground-based systems have wider bandwidth and shorter transmission distances.", "true" ] }, { "ans": [ "Ground-based systems use optical fiber.", "false" ] }, { "ans": [ "Satellite-based systems require larger antennas.", "false" ] } ] }, { "ch": "What advantages does the Iridium satellite system offer for aircraft communication?", "ansGr": [ { "ans": [ "It provides worldwide coverage with minimal voice/data delay.", "true" ] }, { "ans": [ "It operates exclusively within specific geographical areas.", "false" ] }, { "ans": [ "It offers faster speeds than all ground-based systems.", "false" ] } ] }, { "ch": "How does the cabin mass memory system play a role in updating in-flight entertainment options?", "ansGr": [ { "ans": [ "It can be programmed with new content regularly.", "true" ] }, { "ans": [ "It requires manual updates after each flight.", "false" ] }, { "ans": [ "It has no role in entertainment updates.", "false" ] } ] }, { "ch": "How do cabin monitoring systems assist flight attendants?", "ansGr": [ { "ans": [ "By providing real-time information about cabin conditions.", "true" ] }, { "ans": [ "By providing passengers with the most accurate arrival time information.", "false" ] }, { "ans": [ "By storing passenger data.", "false" ] } ] }, { "ch": "How might cabin systems affect passenger satisfaction in airlines?", "ansGr": [ { "ans": [ "By providing modern in-flight entertainment and communication.", "true" ] }, { "ans": [ "By limiting access to in-flight services.", "false" ] }, { "ans": [ "By increasing the complexity of cabin controls.", "false" ] } ] }, { "ch": "What are the primary advantages of using Wi-Fi systems in aircraft cabins?", "ansGr": [ { "ans": [ "They provide higher speed and better accessibility to dat.", "true" ] }, { "ans": [ "They eliminate the need for cabin crew.", "false" ] }, { "ans": [ "Help passengers access more movies and music.", "false" ] } ] }, { "ch": "What benefits do Wi-Fi systems provide to passengers during a flight?", "ansGr": [ { "ans": [ "They allow for easier and faster access to data and information.", "true" ] }, { "ans": [ "Help passengers access flight information accurately through the Wi-Fi.", "false" ] }, { "ans": [ "They limit passenger access to entertainment options.", "false" ] } ] }, { "ch": "What is the typical bandwidth of a ground-based aircraft Wi-Fi system?", "ansGr": [ { "ans": [ "10 Mbps for the entire aircraft.", "true" ] }, { "ans": [ "100 Mbps for each passenger.", "false" ] }, { "ans": [ "50 Mbps for dual modems.", "false" ] } ] }, { "ch": "Why is Wi-Fi on aircraft described as still being in the development phase?", "ansGr": [ { "ans": [ "It does not yet meet commercial or technological expectations.", "true" ] }, { "ans": [ "It lacks compatibility with most personal devices.", "false" ] }, { "ans": [ "It only works on retrofitted aircraft.", "false" ] } ] }, { "part": "M13.22 ATA 46", "ch": "Which storage medium was initially used for aircraft information?", "ansGr": [ { "ans": [ "Paper documents.", "true" ] }, { "ans": [ "Digital memory.", "false" ] }, { "ans": [ "Microfilm.", "false" ] } ] }, { "ch": "What does EFB stand for in aviation?", "ansGr": [ { "ans": [ "Electronic Flight Bag.", "true" ] }, { "ans": [ "Emergency Flight Backup.", "false" ] }, { "ans": [ "External Flight Board.", "false" ] } ] }, { "ch": "What type of device can flight attendants use to access their manuals?", "ansGr": [ { "ans": [ "Tablet devices.", "true" ] }, { "ans": [ "Desktop computers.", "false" ] }, { "ans": [ "Microfiche readers.", "false" ] } ] }, { "ch": "What is a major disadvantage of using microfilm for storing information?", "ansGr": [ { "ans": [ "Special equipment is needed to view it.", "true" ] }, { "ans": [ "Capacity too small", "false" ] }, { "ans": [ "Microfilmi is expensive", "false" ] } ] }, { "ch": "How do Electronic Flight Bags (EFBs) improve efficiency for flight crews?", "ansGr": [ { "ans": [ "They eliminate the need for printed materials.", "true" ] }, { "ans": [ "Documents are automatically updated via the ATC system.", "false" ] }, { "ans": [ "Helps pilots easily access data to correct errors in flight", "false" ] } ] }, { "ch": "How are the databases of the Electronic Flight Bag updated?", "ansGr": [ { "ans": [ "Through a data loader and wireless connections.", "true" ] }, { "ans": [ "Only manually.", "false" ] }, { "ans": [ "Imported from floppy disks supplied by the aircraft manufacturer", "false" ] } ] }, { "ch": "What role do MMRs play in the Electronic Flight Bag system?", "ansGr": [ { "ans": [ "They provide precise aircraft position information.", "true" ] }, { "ans": [ "Provide information about luggage, passengers and data for entertainment purposes.", "false" ] }, { "ans": [ "They display cabin information.", "false" ] } ] }, { "ch": "Why are laptops particularly useful for technicians accessing maintenance information on aircraft?", "ansGr": [ { "ans": [ "They can be used anywhere on the aircraft during maintenance.", "true" ] }, { "ans": [ "They provide internet access on flights.", "false" ] }, { "ans": [ "They automatically diagnose all issues.", "false" ] } ] }, { "ch": "What is one of the main advantages of using electronic manuals over paper ones in maintenance?", "ansGr": [ { "ans": [ "Faster access to desired information.", "true" ] }, { "ans": [ "Can to reset the system during flight", "false" ] }, { "ans": [ "Printed documents often lack or lose information.", "false" ] } ] }, { "ch": "What is the primary function of the Network Server System (NSS) in Airbus A380?", "ansGr": [ { "ans": [ "To host On-board Information System software.", "true" ] }, { "ans": [ "To replace all manual operations.", "false" ] }, { "ans": [ "To serve as a backup power source.", "false" ] } ] }, { "ch": "What was a major drawback of traditional voice communication systems like HF and VHF AM radio for air traffic services?", "ansGr": [ { "ans": [ "They suffered from atmospheric interference, resulting in poor communication quality.", "true" ] }, { "ans": [ "They were too expensive to maintain.", "false" ] }, { "ans": [ "They did not allow voice and data transmission.", "false" ] } ] }, { "ch": "What method is used by the ATSU for monitoring the Air Traffic Information Management System?", "ansGr": [ { "ans": [ "Through software applications for real-time data management.", "true" ] }, { "ans": [ "By using paper records only.", "false" ] }, { "ans": [ "By relying solely on visual inspections.", "false" ] } ] }, { "ch": "What is a primary function of the Air Traffic Service Unit (ATSU) in the ATIMS?", "ansGr": [ { "ans": [ "To manage data for air traffic control communication.", "true" ] }, { "ans": [ "To control cabin pressure systems.", "false" ] }, { "ans": [ "To monitor passenger comfort levels.", "false" ] } ] }, { "ch": "When entering oceanic airspace, how does the ATSU’s Oceanic Clearance (OC) application contribute to flight safety", "ansGr": [ { "ans": [ "By automatically generating oceanic clearance requests, it ensures coordinated and safe passage through oceanic airspace", "true" ] }, { "ans": [ "By manually requiring pilot input for oceanic clearance", "false" ] }, { "ans": [ "By monitoring weather conditions along the oceanic route", "false" ] } ] }, { "ch": "How does the ATSU facilitate data transfer between the ATC ground station and the airplane, and what advantage does this system provide over traditional voice communications?", "ansGr": [ { "ans": [ "It uses the FANS A+ datalink applications, which enables secure, prioritized communication without voice interference", "true" ] }, { "ans": [ "It uses SATCOM to provide backup to voice-based communication", "false" ] }, { "ans": [ "It connects to the passenger's devices for easier communication with ground control", "false" ] } ] }, { "ch": "How does the MCDU enhance communication with airline operations?", "ansGr": [ { "ans": [ "It allows for editing and preparing messages before sending.", "true" ] }, { "ans": [ "It only displays incoming messages.", "false" ] }, { "ans": [ "It replaces all voice communications.", "false" ] } ] }, { "ch": "What function do the wireless units in the cabin provide?", "ansGr": [ { "ans": [ "They offer a wireless connection for passengers' portable electronic devices", "true" ] }, { "ans": [ "They allow communication between the cockpit and cabin crew.", "false" ] }, { "ans": [ "They serve as backup communication for the aircraft's main systems.", "false" ] } ] }, { "ch": "How do aircraft information systems facilitate updates compared to traditional paper methods?", "ansGr": [ { "ans": [ "They allow electronic erasure and rewriting of data.", "true" ] }, { "ans": [ "They require manual printing and distribution of new pages.", "false" ] }, { "ans": [ "They only use microfilm updates.", "false" ] } ] }, { "ch": "What technology allows the Electronic Flight Bag to pinpoint an aircraft's position?", "ansGr": [ { "ans": [ "Multi-Mode Receivers (MMRs) using GPS.", "true" ] }, { "ans": [ "Using GPS and internet on the plane", "false" ] }, { "ans": [ "Automatic location thanks to gyroscope", "false" ] } ] }, { "ch": "What is the primary function of the 777 EFB for flight crews?", "ansGr": [ { "ans": [ "To provide flight crews with access to important in-flight information.", "true" ] }, { "ans": [ "Used to update navigation data during flight", "false" ] }, { "ans": [ "The EFB monitors and alerts for level 1 system errors.", "false" ] } ] }, { "ch": "What function does the Air Traffic Control (ATC) system serve in the Airbus A380?", "ansGr": [ { "ans": [ "It transfers communication, navigation, and surveillance data between the AC and ATC services.", "true" ] }, { "ans": [ "It stores maintenance data for use after landing and takeoff", "false" ] }, { "ans": [ "It provides in-flight entertainment and internet services to passengers", "false" ] } ] }, { "ch": "How do the onboard information systems (OIS) improve operational efficiency for flight crews?", "ansGr": [ { "ans": [ "By providing quick access to critical data and applications.", "true" ] }, { "ans": [ "By requiring additional manual documentation.", "false" ] }, { "ans": [ "By using outdated communication methods.", "false" ] } ] }, { "ch": "What is the significance of the unidirectional gate in the avionics domain?", "ansGr": [ { "ans": [ "It prevents malware from entering the avionics domain.", "true" ] }, { "ans": [ "It allows all data to flow freely between domains.", "false" ] }, { "ans": [ "It only provides data for maintenance checks.", "false" ] } ] }, { "ch": "What impact does the communication & cabin domain have on passenger services?", "ansGr": [ { "ans": [ "It provides internet and email access for passengers.", "true" ] }, { "ans": [ "It limits passenger access to entertainment.", "false" ] }, { "ans": [ "It primarily focuses on maintenance data.", "false" ] } ] } ]