Discover our new portal: your complete exam preparation, enhanced by AI
Login Start Now
Mobile menu MENU
fallback
lingua EN angle-down

Exam simulation Aircraft General Knowledge - Airframe, Systems, Powerplant ATPL - Airline Transport Pilot license

Exam simulation ATPL Aircraft General Knowledge - Airframe, Systems, Powerplant 120 questions on 120 minutes

Change Subject New Test

1 - In some aircraft, there is a protection device to avoid the landing gear being inadvertently retracted on the ground. It consists of:
2 - Spoilers installed on a typical large transport aeroplane are:
3 - A flight control surface actuator is said to be "reversible" when:
4 - It may be determined that an aircraft is not properly bonded if:
5 - The principle of FAIL SAFE design of an aircraft is based on the:
6 - Which of these statements about a gust lock system are correct or incorrect? 1) Irreversible flight controls should have a gust lock. 2) Manual flight controls should have a gust lock.
7 - The elevators of a conventional airplane are used to provide rotation about the:
8 - The frequency of the current provided by an alternator depends on:
9 - The purpose of a voltage regulator is to control the output voltage of the:
10 - One design method to avoid control surface flutter is:
11 - The high Altitude Radio Altimeter uses the following wavelengths:
12 - A cantilever wing is:
13 - Pneumatic mechanical devices that provide ice protection:
14 - 'Vapour lock' is the phenomenon by which:
15 - What is the load in the upper respectively lower girder of a spar of a cantilever wing during straight and level flight?
16 - The function of the generator breaker is to close when the voltage of the:
17 - When a battery is almost fully discharged there is a tendency for the:
18 - The octane rating of a fuel and compression ratio of a piston engine have which of the following relations?
19 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
20 - When the pilot moves the mixture lever of a piston engine towards a lean position the:
21 - Which of these statements about rudder limiting are correct or incorrect? 1) A rudder ratio changer system reduces the rudder deflection for a given rudder pedal deflection as the IAS decreases. 2) A variable stop system limits both rudder and rudder pedal deflection as the IAS increases.
22 - The use of too low an octane fuel may cause:
23 - According EASA CS the worst effect of a HAZARDOUS FAILURE on the occupants of an aeroplane excluding flight crew could be:
24 - During flight the yaw pedals are used to control:
25 - The air in a piston engine turbo-supercharger centrifugal compressor:
26 - During a power change on an engine equipped with a constant speed propeller, a wrong combination of manifold pressure and RPM values results in excessive pressures in the cylinders. This is the case when one simultaneously selects a ...
27 - In a vapour cycle cooling system what is the purpose of the condenser?
28 - In a single spool gas turbine engine, the compressor RPM is:
29 - Vents in oil tanks are primarily to
30 - In an on-board computer, the software is
31 - Most large conventional aeroplanes are not provided with aileron and rudder trim tabs. Is it still possible to trim these control surfaces?
32 - The Ram Air Turbine (RAT) provides emergency hydraulic power for:
33 - The purpose of the proximity of the emergency evacuation path marking system is to:
34 - The principle of aeroplane propulsion is to generate a propelling force by:
35 - A pressure relief valve that does not fit on its seat properly would result in
36 - Power plant fire extinguishers are operated by:
37 - The purpose of the 'Pressure Relief Valve' in a high pressure oxygen system is to:
38 - A 3 phase AC generator has 3 separate stator windings spaced at:
39 - On large aeroplanes equipped with power brakes, the main source of power is derived from:
40 - The frequency of the current provided by an alternator depends on...
41 - Windshield heating of a transport aeroplane is:
42 - Which of these statements about a gust lock system are correct or incorrect? 1) A gust lock can be used in flight to reduce the effects of turbulence. 2) Reversible flight controls should have a gust lock.
43 - A turbofan engine with a bypass mass flow of 888 kg/s and a HP compressor mass flow of 111 kg/s has a bypass ratio of:
44 - One of the purposes of compressor bleed valves is to:
45 - What is the purpose of the pack cooling fans in the air conditioning system?
46 - The purpose of the barometric correction in a fuel controller is to:
47 - An artificial feel system:
48 - Tyre 'creep' may be described as the:
49 - Which statement is correct? 1) The freezing point for Jet A is at a lower temperature than that for Jet B. 2) The flash point for Jet A is at a higher temperature than that for Jet B.
50 - The most common extinguishing agent used in gas turbine engine fire protection system is:
51 - The alternators, when connected, are usually connected:
52 - If the maximum operating altitude of an airplane is limited by the pressurized cabin, this limitation is due to the maximum:
53 - The connection in parallel of two 12 volt/ 40 amp hours batteries, will create a unit with the following characteristics
54 - On four-stroke piston engines, the theoretical valve and ignition settings are readjusted in order to increase the:
55 - The type of hydraulic fluid which has the greatest resistance to cavitation is:
56 - A scissor is a component found on landing gears. Its function is to:
57 - The principle of the SAFE LIFE design of an aircraft is based on the:
58 - Consider a jet engine whose control is based on the Engine Pressure Ratio (EPR) 1. with a constant EPR, the thrust decreases when the altitude increases 2. with a constant EPR, the thrust is independent of the Mach number 3. At same environmental conditions, a given EPR setting maintains the thrust irrespective of engine wear due to ageing. 4. the EPR is determined by the impact pressure difference between the turbine outlet and the compressor inlet 5. on take-off, in the event of icing not detected by the crew, the indicated EPR is lower than the real EPR The combination regrouping all the correct statements is:
59 - A propeller blade is twisted, so as to
60 - In a commercial transport aircraft the landing gear operating system is usually:
61 - Creep of turbine blades is caused by:
62 - The accessory units driven by the accessory gearbox of a turbo-jet engine are the 1. tacho-generator N1 2. tacho-generator N2 3. thrust reverser pneumatic motors 4. AC generator and its Constant Speed Unit (CSD) 5. oil pumps 6. hydraulic pumps 7. high pressure fuel pump The combination regrouping all the correct statements is:
63 - The reason for a double switch on the elevator trim is:
64 - The elements specifically protected against icing on transport aircraft are 1) engine air intake and pod. 2) front glass shield. 3) radome. 4) pitot tubes and waste water exhaust masts. 5) leading edge of wing. 6) cabin windows. 7) trailing edge of wings. 8) electronic equipment compartment The combination regrouping all the correct statements is:
65 - In a turbo-jet, the purpose of the turbine is to ...
66 - Generally, when the fire handle of the fire-extinguishing system on an aircraft is pulled, the effects are 1. closing of the LP valve of the fuel system 2. opening of the air bleed valves and HP valves on the engine concerned 3. setting of extinguishing systems 4. closing of the isolation and de-icing valves 5. isolation of the associated electric current generators 6. immediate discharge of extinguishing agent The combination regrouping all the correct statements is:
67 - Which of these statements about structural design principles are correct or incorrect? 1) The DAMAGE TOLERANCE principle assumes cracks in the structure will never occur. 2) The SAFE LIFE principle is based on the replacement of parts after a given number of cycles or flight hours.
68 - The conditions which can cause knocking are:
69 - The power output of a piston engine can be calculated by:
70 - Main cabin temperature is:
71 - To ensure correct load sharing between AC generators operating in parallel:
72 - For a fan jet engine, the by-pass ratio is the:
73 - The pilot may be prevented from retracting the landing gear whilst the aircraft is on the ground by:
74 - In a gas turbine engine, compressor blades, which are not rigidly fixed in position when the engine is stationary, take up a rigid position when the engine is running due to:
75 - The wing ice protection system currently used for most large turboprop transport aeroplanes is a(n):
76 - The ventilation system in a fuel tank:
77 - The richness of a fuel/air mixture ratio is the:
78 - The primary reason for a limitation being imposed on the temperature of gas flow is to:
79 - The torque of an aeroplane engine can be measured at the:
80 - The use of igniters is necessary on a turbo-jet: 1 - throughout the operating range of the engine 2 - for ground starts 3 - for accelerations 4 - for in-flight relights 5 - during turbulence in flight 6 - in heavy precipitation or in icing conditions The combination which regroups all of the correct statements is:
81 - In jet aeroplanes the 'thermal anti-ice system' is primarily supplied by
82 - A warning device alerts the crew in case of an excessive cabin altitude. This warning must be triggered on reaching the following altitude:
83 - If one of the 12 cells of a Lead-acid battery has a broken connection rendering it inoperable, the battery:
84 - On the attached diagram showing the power output of a piston engine as a function of mixture richness, best economy is at the point marked:
question agk3.webp
85 - When a persistent over-excitation fault is detected on only one AC generator, the protection device opens the:
86 - Which of these statements about structure design principles are correct or incorrect? 1) In structural design, FAIL SAFE implies redundant load paths. 2) A SAFE LIFE structure is based on a declared number of cycles or time period.
87 - The purpose of the baffles in an aircraft's integral fuel tank is to:
88 - The fuel system boost pumps are used to:
89 - A current limiter fuse in a DC generation system is used to:
90 - According EASA CS25 the worst effect of a MINOR FAILURE on the occupants of an aeroplane excluding flight crew could be:
91 - A tubeless tyre has 1- a built-in-air tube. 2- no built-in-air tube. 3- a crossed side casing. 4 - a radial side casing. The combination of correct statements is:
92 - The function of a constant speed drive (CSD) in an AC generating system is to:
93 - The automatic ground spoiler extension system is normally activated during landing by:
94 - In addition to energy storage, the accumulator of the hydraulic system is used:
95 - Cabin differential pressure means the pressure difference between:
96 - Hydraulic fluids must have the following characteristics 1. thermal stability 2. low emulsifying characteristics 3. corrosion resistant 4. good resistance to combustion 5. high compressibility 6. high volatility 7. high viscosity The combination regrouping all the correct statements is:
97 - On modern transport aircraft, cockpit windows are protected against icing by:
98 - On an aeroplane utilising AC as primary power supplies, the batteries are charged in flight from:
99 - The purpose of a compressor bleed valve is to prevent surging:
100 - Pulling the fire shutoff handle causes a number of devices to disconnect. In respect of the AC generator it can be said that the:
101 - The expression "secondary flight control" applies to the: 1) trimmable stabilizer 2) rudder 3) speed brake 4) aileronThe combination that regroups all of the correct statements is:
102 - A reverse thrust door warning light on the flight deck instrument panel illuminates when:
103 - The main advantage of a constant speed propeller as compared to a fixed pitch propeller is a:
104 - The wing of an aircraft in flight, powered by engines located under the wing, is subjected to a bending moment which causes its leading edge, from the wing root to the wing tip, to operate in:
105 - The VHF direction finder uses the following wavelengths:
106 - One type of flap used on aircraft moves down and increases the wing area by moving aft when lowered. This flap is known as:
107 - The bimetal strip detectors of an engine fire detection system: 1 - are arranged in series.2 - are arranged in parallel. 3 - open during a fire.4 - close during a fire.The combination containing all of the correct statements is:
108 - During level flight at a constant cabin pressure altitude (which could be decreased, even at this flight level), the cabin outflow valves are:
109 - Consider the flight deck oxygen supply system. The purpose of the oxygen regulator (as a function of demand and altitude) is to: 1. decrease oxygen pressure from 1800 PSI (in the bottles) down to about 50-75 PSI (low pressure system) 2. supply pure oxygen 3. supply diluted oxygen 4. supply oxygen at normal pressure 5. supply oxygen at emergency/positive pressure 6. trigger the continuous cabin altitude warning at 10000 ft cabin altitude The combination regrouping all the correct statements is:
110 - An aircraft whose maximum approved configuration for passenger seats is 200 seats must be equipped with:
111 - According to EASA CS the allowable quantitative average failure probability per flight hour for a HAZARDOUS FAILURE should be on the order of:
112 - The control of free turbine engines on turboprops, is accomplished by - a propeller control lever used to select: 1 - propeller RPM 2 - turbine temperature 3 - turbine RPM - a fuel control lever used to select: 4 - propeller RPM 5 - torque 6 - turbine temperature The combination which regroups all of the correct statements is:
113 - The capacitance type fuel gauging system indicates the fuel quantity by measuring the:
114 - The primary purpose of the reverse current relay is to:
115 - In flight, if the Constant Speed Drive (CSD) temperature indicator is in the red arc the:
116 - Which of the following statements, relating to the application of Ohm's Law, is the most correct?
117 - When quick donning masks are in use, the pilot is:
118 - For a subsonic airflow, in a divergent duct the:
119 - The safety precautions to be taken whenever using oxygen are 1. refrain from smoking, avoid sparks. 2. Avoid operation of radio communication equipment. 3. Operate oxygen system valves slowly. 4 . Avoid greasy matter The combination regrouping all the correct statements is:
120 - The wing ice protection system currently used for most large jet transport aeroplanes is a(n):
Change Subject New Test
Download mobile apps
Download mobile apps
Subscribe to Newsletter
Sign up, it's free

QuizVds.it - Facebook - Contact Us - Donation - Cookie Policy - Privacy Policy - Terms and Conditions - Partner