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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 - On most transport aircraft, the low pressure pumps of the fuel system are:
2 - If two constant frequency AC generators are operating independently, then the phase relation between both generators:
3 - The conditions under which you obtain the highest engine power are:
4 - The main purpose of a constant speed drive unit is to:
5 - An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
6 - The advantage of mounting the tailplane on top of the vertical stabilizer (a "T-tail" configuration) is:
7 - VLE is the maximum:
8 - 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 rate 6. which is unsaf The combination regrouping all the correct statements is:
9 - A cable operated flight control system can be equipped with external gust locks.
10 - The mechanism to change the propeller blade pitch of modern small piston engine aeroplanes is operated
11 - Primary flight controls are:
12 - On large aeroplanes equipped with power brakes, the main source of power is derived from:
13 - The function of a constant speed drive (CSD) is to ensure:
14 - When an 'open circuit' occurs in an electrical supply system, the:
15 - A relay is:
16 - On an aircraft landing gear, an under-inflated tyre:
17 - Fire precautions to be observed before refuelling are:
18 - A reverse thrust door warning light on the flight deck instrument panel illuminates when:
19 - Shuttle valves will automatically:
20 - Given an aeroplane with irreversible primary flight controls, how is control maintained if one hydraulic system is lost due to a hydraulic leak?
21 - Trimming of aileron and rudder in an irreversible flight control system:
22 - The pitch angle of a constant-speed propeller
23 - An asymmetric loading (p-factor) on the propeller exists ..
24 - VLO is the maximum:
25 - When applying carburettor heating:
26 - A chip detector in the oil system of an engine/gearbox is to indicate that
27 - Pneumatic mechanical devices that provide ice protection:
28 - The power output of a piston engine can be calculated by:
29 - On an aircraft provided with resistance and capacitance variation type fire detection loops, a fire alarm is initiated by a temperature increase detected:
30 - In a pressurized transport aircraft, the protective breathing equipment:
31 - Fuel/air ratio is the ratio between the:
32 - Evacuation slide normal inflation is achieved by:
33 - An aircraft whose maximum approved configuration for passenger seats is 200 seats must be equipped with:
34 - The ventilation system in a fuel tank:
35 - 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:
36 - Associate the correct legend to each of the numbered diagrams:
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37 - The speed of an asynchronous four-pole motor fed at a frequency of 400 Hertz is:
38 - The primary reason for a limitation being imposed on the temperature of gas flow is to:
39 - With engine fire alarm activated, the extinguisher discharge:
40 - In an on-board computer, the software is
41 - The types of fuel tanks used on most modern transport aircraft are:
42 - The function of a fusible plug is to
43 - The main advantage of a constant speed propeller as compared to a fixed pitch propeller is a:
44 - What is the purpose of the pack cooling fans in the air conditioning system?
45 - Regarding the oxygen system of a CS 25 aeroplane:
46 - Given a conventional transport aeroplane with irreversible flight controls on the ground with engines running. Which of these statements about rudder trim actuation is correct?
47 - What are the three elements of the fuselage structure of a large transport aeroplane?
48 - 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:
49 - Pre-ignition refers to the condition that may arise when:
50 - If air is tapped from a gas turbine HP compressor, the effect on the engine pressure ratio (EPR) and the exhaust gas temperature (EGT) is that:
51 - A torsion link assembly is installed on the landing gear to:
52 - In computer technology, an output peripheral is a:
53 - In the axial flow compressor of a turbo-jet engine, the flow duct is tapered. Its shape is calculated so as to:
54 - For a given type of oil, the oil viscosity depends on the:
55 - Concerning electrically powered ice protection devices, the only true statement is:
56 - An aeroplane whose maximum approved passenger seating configuration is 201 to 300 seats must be equipped with at least:
57 - Most large conventional aeroplanes are not provided with aileron and rudder trim tabs. Is it still possible to trim these control surfaces?
58 - 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 condition The combination which regroups all of the correct statements is:
59 - The principle of DAMAGE TOLERANT structural design of an aircraft is based on the:
60 - A red or an amber light on an undercarriage position indicator signifies:
61 - According JAR CS/ EASA CS the worst effect of a MINOR FAILURE on the flight crew could be:
62 - Halon is used as a fire extinguishing agent because it:
63 - When a conductor cuts the field lines of a magnetic field:
64 - The fuselage of an aircraft consists, among others, of stringers whose purpose is to:
65 - In modern aircraft, a pilot can actuate the feather system by:
66 - To ensure that the fuel flow is kept directly proportional to the volume of air flowing through the choke, thus preventing the main jet supplying excessive fuel as engine speed is increased, a carburettor is fitted with:
67 - Some aircraft use a fly-by-wire system to move the primary flight controls. This system is based on:
68 - In aeronautics, the most commonly used batteries are NiCd because:
69 - If the ground wire between the magnetos and the ignition switch becomes disconnected the most noticeable result will be that:
70 - The purpose of a battery control unit is generally to isolate the battery 1 - from the bus when the battery charge has been completed 2 - when there is a battery overheat condition 3 - in case of an internal short circuit 4 - in case of a fault on the ground power unit The combination which regroups all of the correct statements is:
71 - In jet aeroplanes the 'thermal anti-ice system' is primarily supplied by
72 - Electrical bonding of an aircraft is used to 1. protect the aircraft against lightning effects. 2. reset the electrostatic potential of the aircraft to a value approximating 0 volt 3. reduce radio interference on radio communication systems 4. set the aircraft to a single potentia The combination regrouping all the correct statements is:
73 - The chemical oxygen generator supplies oxygen for about:
74 - After air has passed through the compressor of a gas turbine engine the:
75 - When the door operation of a transport airplane equipped with evacuation slides is controlled from the outside, the slide:
76 - Prolonged running at low rpm can have an adverse effect on the functioning of the:
77 - Which of these statements about a gust lock system are correct or incorrect? 1) There should be suitable design precautions to prevent flight with the gust lock engaged. 2) Reversible flight controls should have a gust lock.
78 - 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:
79 - AC generators operated in parallel must have the same:
80 - Which of these statements about the wing structure is correct?
81 - Which of these statements about structural design are correct and incorrect? 1) In structural design, FAIL SAFE implies the structure will never fail. 2) In structural design, SAFE LIFE implies the structure will never fail during a declared time period or number of cycles.
82 - About a twin spool compressor:
83 - A thermal circuit breaker:
84 - Regarding fire detection, Ion detectors are used to detect:
85 - A FAIL SAFE airframe construction design is:
86 - 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:
87 - On a jet aircraft fuel heaters are:
88 - The hydraulic systems which works correctly is shown in the figure:
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89 - The measured output power components of a constant frequency AC system are:
90 - 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 action This effect is overcome by means of: 3. the torque link 4. a damper associated with the steering cylinde The combination of correct statements is:
91 - 'Frequency wild' in relation to a AC generation system means the generator:
92 - Rudder trim adjustment in an aeroplane with irreversible flight controls is:
93 - The primary purpose of the bleed valves fitted to axial flow compressors is to:
94 - 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
95 - In a steep turn to the left, when using spoilers ...
96 - A stage in an axial compressor:
97 - In some aircraft, there is a protection device to avoid the landing gear being inadvertently retracted on the ground. It consists of:
98 - Creep of turbine blades is caused by:
99 - The engine pressure ratio (EPR) is the ratio of:
100 - If an abortive start (hung start) occurs when starting a gas turbine engine, the correct action is to:
101 - The pilot may be prevented from retracting the landing gear whilst the aircraft is on the ground by:
102 - For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:
103 - The diffuser in a centrifugal compressor is a device in which the:
104 - Define the term "FATIGUE":
105 - A turbocharger consists of a:
106 - In regard to passengers briefing in public transport aeroplane, information about oxygen must be given to passengers through a demonstration. If a flight is to be carried out at FL 290, this demonstration must be completed before:
107 - In case of engine failure during flight the blades of a constant speed propeller in a single engine aeroplane, not fitted with feathering system
108 - For fail safe designed structural components:1. there is more than one load carrying component.2. one load carrying component is sufficient, provided it is strong enough.3. the component is removed at the end of the calculated life time or number of cycles.4. the design is based on the principle of redundancy of components. The combination that regroups all of the correct statements is:
109 - 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:
110 - 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:
111 - On detection of a persistent overvoltage fault on an AC generator connected to the aircraft AC busbars, the on-board protection device opens:
112 - Where are flight spoilers fitted?
113 - Usually, in conductive materials:
114 - The automatic fuelling shut off valve:
115 - 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
116 - 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:
117 - The pressure usually produced by the Boost Pumps (BP) of the fuel supply system of a large jet transport airplane is within the following range:
118 - In a fire detection system with single-loop continuous components (with no fault protection), if the line is accidentally grounded:
119 - Main cabin temperature is:
120 - When a persistent underexcitation fault is detected on an AC generator connected to the aircraft mains with another AC generator, the protection device opens:
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