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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

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1 - In a generator, the Constant Speed Drive (CSD) 1- may be disconnected from the engine shaft. 2- may be disconnected from the generator. 3- is a hydro-mechanical system. 4- is an electronic system. 5- may not be disconnected in flight. 6- may be disconnected in flight The combination regrouping all the correct statements is:
2 - Usually, in conductive materials:
3 - A diluter demand oxygen regulator:
4 - A SAFE LIFE aircraft structural component:
5 - A torsion link assembly is installed on the landing gear to:
6 - The connection in parallel of two 12 volt / 40 Ah batteries, will create a unit with the following characteristics:
7 - Among the different types of aircraft structures, the shell structures efficiently transmit the: 1. normal bending stresses 2. tangent bending stresses 3. torsional moment 4. shear stresse
8 - Shimmy occurs on the nose wheel landing gear during taxiing when 1. the wheels tend to describe a sinusoidal motion on the ground 2. the wheels no longer respond to the pilot's actions This effect is overcome by means of: 3. the torque link 4. a damper associated with the steering cylinder The combination of correct statements is:
9 - According JAR CS / EASA CS the worst effect of a MINOR FAILURE on the aeroplane could be:
10 - A composite structural component consists of:
11 - Regarding fire detection, Ion detectors are used to detect:
12 - The mechanism to change the propeller blade pitch of modern small piston engine aeroplanes is operated
13 - The chemical oxygen generator is a system 1. which is inexpensive 2. requiring no external input 3. which is lightweight 4. requiring no maintenance 5. with adjustable flow rate6. which is unsafe The combination regrouping all the correct statements is:
14 - A static converter is powered by:
15 - When a conductor cuts the field lines of a magnetic field:
16 - 'Vapour lock' is the phenomenon by which:
17 - The main purpose of a turbocharger is to:
18 - In a single spool gas turbine engine, the compressor RPM is:
19 - The disadvantages of axial flow compressors compared to centrifugal flow compressors are 1 - expensive to manufacture 2 - limited airflow 3 - greater vulnerability to foreign object damage 4 - limited compression ratio The combination of correct answers is:
20 - According EASA CS the worst effect of a HAZARDOUS FAILURE on the occupants of an aeroplane excluding flight crew could be:
21 - A thermal circuit breaker:
22 - A "trip-free" type circuit breaker is a circuit protection device which:
23 - In accordance with PART-CAT, 10 % of the passengers in a non-pressurized airplane must have an oxygen supply reserve for the entire flight time when the cabin altitude pressure is greater than:
24 - The purpose of cabin air flow control valves in a pressurisation system is to:
25 - If one of the 12 cells of a lead-acid battery is dead, the battery:
26 - Below its design speed an axial compressor:
27 - The kind of compressor normally used as a supercharger is:
28 - The fuselage of an aircraft consists, among others, of stringers whose purpose is to:
29 - The advantages of fly-by-wire control are: 1. reduction of the electric and hydraulic power required to operate the control surfaces2. lesser sensitivity to lightning strike3. direct and indirect weight saving through simplification of systems4. immunity to different interfering signals5. improvement of piloting quality throughout the flight envelop The combination regrouping all the correct statements is:
30 - If the control stick of an aircraft is moved forward and to the right, the left aileron will move:
31 - The power of a piston engine which will be measured by using a friction brake is:
32 - The richness of a fuel/air mixture ratio is the:
33 - In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is:
34 - In a bootstrap cooling system the supply air is first:
35 - The frequency of the current provided by an alternator depends on...
36 - On an aeroplane utilising AC as primary power supplies, the batteries are charged in flight from:
37 - Why are flaps and slats fitted to modern aircraft?
38 - An automatic toilet fire extinguisher is activated by:
39 - Which of these statements about a gust lock system are correct or incorrect? 1) There is no need for a gust lock on irreversible flight controls. 2) Manual flight controls should have a gust lock.
40 - When the combustion gases pass through a turbine the:
41 - 'Frequency wild' in relation to a AC generation system means the generator:
42 - The wavelength of a radio wave transmitted on frequency 121.95 MHz is:
43 - A SANDWICH structural part is unsuitable for absorbing:
44 - The automatic fuelling shut off valve:
45 - When in flight, a piston engine is stopped and the propeller blade pitch angle is near 90°, the propeller is said to be...
46 - An aeroplane whose maximum approved passenger seating configuration is 501 to 600 seats must be equipped with at least:
47 - When applying carburettor heating:
48 - The Instrument Landing System (ILS) uses the following wavelengths:
49 - Assuming the initiating cause is removed, which of these statements about resetting are correct or incorrect?I. A fuse is not resettableII. A circuit breaker is resettable.
50 - A 'hung start' is the failure of an engine to accelerate to its normal idle speed. It may be caused by:
51 - The mixture control for a carburettor achieves its control by:
52 - The gas turbine illustrated is of the following type:
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53 - A twin-spool engine with a bypass mass flow of 250 kg/s and a HP compressor mass flow of 250 kg/s has a bypass ratio of:
54 - When a bimetallic strip is used as a switch in a fire detection loop, a fire alarm is triggered after a delay. The purpose of this delay is to:
55 - The thrust of a turbo-jet, at the selection of full power 1 - equals the product of the exhaust gas mass flow and the exhaust gas velocity 2 - is obtained by pressure of the exhaust gas on the ambient air 3 - is equivalent to zero mechanical power since the aeroplane is not moving 4 - is independent of the outside air temperatur The combination which regroups all of the correct statements is:
56 - Load shedding means:
57 - The function of a NOT logic gate within a circuit is to:
58 - The advantage of mounting the tailplane on top of the vertical stabilizer (a "T-tail" configuration) is:
59 - A CSD unit which has been disconnected in flight:
60 - Smoke detector systems are installed in the
61 - The correct order of decreasing freezing points of the three mentioned fuels is:
62 - If two constant frequency AC generators are operating independently, then the phase relation between both generators:
63 - On-board electrical systems are protected against faults of the following type: 1) AC generator over-voltage 2) AC generator under-voltage 3) over-current 4) over-speed 5) under-frequency 6) undue vibration of AC generatorsThe combination of correct statements is:
64 - Most large conventional aeroplanes are not provided with aileron and rudder trim tabs. Is it still possible to trim these control surfaces?
65 - On most transport jet aircraft, the low pressure pumps of the fuel system are supplied with electric power of the following type:
66 - Most transport aeroplanes are provided with protection against control jamming. This means that:
67 - The reason for the fact that an aeroplane designed for long distances cannot simply be used for short haul flights at higher frequencies is that
68 - The expression "primary flight control" applies to the: 1) elevator 2) speed brake 3) lift-augmentation devices 4) roll spoilersThe combination that regroups all of the correct statements is:
69 - In case of engine failure during flight the blades of a constant speed propeller in a single engine aeroplane, not fitted with feathering system
70 - When the AC generators are connected in parallel, the reactive loads are balanced by means of the:
71 - Where are flight spoilers fitted?
72 - Reference should be made to the fuel supply system shown in annex.In flight, with centre tank empty and APU operating, a fuel unbalance is detected (quantity in tank 1 < quantity in tank 2).Rebalancing of the two tanks is:
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73 - Which of the following parts is a typical semiconductor part?
74 - Severe compressor stall can be indicated amongst others by:
75 - The commonly used symbol of resistance is:
76 - The VHF direction finder uses the following wavelengths:
77 - Oxygen systems are systems used on pressurized airplanes in 1. an emergency in the case of depressurization. 2. an emergency in the case of the indisposition of a passenger. 3. normal use in order to supply oxygen to the cabin. 4. an emergency in the case of smoke or toxic gases The combination regrouping all the correct statements is:
78 - A warning device alerts the crew in case of an excessive cabin altitude. This warning must be triggered on reaching the following altitude:
79 - What is the load in the upper respectively lower girder of a spar of a cantilever wing during straight and level flight?
80 - Which of these statements about the wing structure is correct?
81 - 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:
82 - A gaseous sensor/responder tube fire sensor is tested by
83 - The function of a constant speed drive (CSD) is to ensure:
84 - Why is the artificial feel required on some flight control systems and how is the degree of the feel set?
85 - 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:
86 - The advantages of thermal anti-icing are:1. Simple and reliable system2. Profiles maintained3. Greater efficiency than that of an electrical resistor4. Direct use of the hot air from the jet engine without substantial reduction in engine thrust The combination of correct statements is:
87 - The purpose of the baffles in an aircraft's integral fuel tank is to:
88 - A CSD of an AC generator may be disconnected in flight. The primary reason(s) for disconnection are:
89 - 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 viscosityThe combination regrouping all the correct statements is:
90 - 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:
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91 - In a gas turbine engine, the maximum gas temperature is attained:
92 - One design method to avoid control surface flutter is:
93 - The wing ice protection system currently used for most large turboprop transport aeroplanes is a(n):
94 - In a hydraulic system the master cylinder's inner area is 10 mm2, and the actuator cylinder's inner area is 100 mm2. If you press the master cylinder by 2 cm using a 100 N force, the actuator cylinder will move:
95 - Because of the input/output relationship of an AND gate, it is often referred to as the:
96 - The frequency of the current provided by an alternator depends on:
97 - A test to assess the state of charge of a lead-acid battery would involve:
98 - An aeroplane whose maximum approved passenger seating configuration is 61 to 200 seats must be equipped with at least:
99 - The fuel tanks of aircrafts must be checked for water
100 - In a pressurized aircraft, the first aid (therapeutic) oxygen is designed to:
101 - According JAR CS/ EASA CS the worst effect of a MINOR FAILURE on the flight crew could be:
102 - A radio signal loses strength as range from the transmitter increases, this is called:
103 - For a free power turbine engine:
104 - What can be the consequence during a descent with a fully open throttle if the waste gate is seized ?
105 - With regard to the pneumatic mechanical devices which afford protection against the formation of ice, the only correct statement is:
106 - When changing power on engines equipped with constant-speed propeller, engine overload is avoided by:
107 - Fuel flow information for gas turbine engines is:
108 - A reverse thrust door warning light on the flight deck instrument panel illuminates when:
109 - An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
110 - The function of the generator breaker is to close when the voltage of the:
111 - Turbine blade stages may be classed as either "impulse" or "reaction".In an impulse blade section the pressure (i).. across the nozzle guide vanes and (ii).. across the rotor blades:
112 - The function of the rudder limiter system is:
113 - Associate the correct legend to each of the numbered diagrams:
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114 - In an aeroplane utilising a constant frequency AC power supply, DC power is obtained from a:
115 - A FAIL SAFE airframe construction design is:
116 - A static inverter is a:
117 - Engine bleed air used for air conditioning and pressurization in turbo-jet aeroplanes is usually taken from the:
118 - The thrust of a turbo-jet, at the selection of full power 1 - equals the product of the exhaust gas mass flow and the exhaust gas velocity 2 - is obtained by pressure of the exhaust gas on the ambient air3 - is equivalent to zero mechanical power since the aeroplane is not moving4 - is independent of the outside air temperature The combination which regroups all of the correct statements is:
119 - If the ground wire between the magnetos and the ignition switch becomes disconnected the most noticeable result will be that:
120 - A rectifier is a unit that:
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