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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 - The term 'bootstrap', when used to identify a cabin air conditioning and pressurisation system, refers to the:
2 - The purpose of the primary stops in a flying control system is to:
3 - The expression "primary flight control" applies to the: 1) elevator 2) speed brake 3) lift-augmentation devices 4) roll spoilers. The combination that regroups all of the correct statements is:
4 - The power of a piston engine decreases during a climb with a constant power lever setting because of the decreasing:
5 - A reverse thrust door warning light on the flight deck instrument panel illuminates when:
6 - The air in a piston engine turbo-supercharger centrifugal compressor:
7 - On board present aircraft, the batteries used are mainly Cadmium-Nickel. Their advantages are: 1. low risk of thermal runaway 2. high internal resistance, hence higher power 3. good charging and discharging capability at high rating 4. wider permissible temperature range 5. good storage capability 6. sturdiness owing to its metal casing 7. the electrolyte density remains unchanged during charging. The combination of correct statement is:
8 - The current in a DC circuit, according to Ohm's law, can be described as:
9 - The reason for the trim switch on a control column to consist of two separate switches is
10 - 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:
11 - Engine compartment decking and firewalls are manufactured from:
12 - VLO is the maximum:
13 - In a gas turbine engine lubrication system fitted with an oil to fuel heat exchanger the:
14 - What is the load in the upper respectively lower girder of a spar of a cantilever wing during straight and level flight?
15 - For a given type of oil, the oil viscosity depends on the:
16 - Most transport aeroplanes are provided with protection against control jamming. This means that:
17 - During level flight at a constant cabin pressure altitude (which could be decreased, even at this flight level), the cabin outflow valves are:
18 - A red or an amber light on an undercarriage position indicator signifies:
19 - On detection of a persistent overvoltage fault on an AC generator connected to the aircraft AC busbars (paralleled bus system), the on-board protection device opens:
20 - The advantages of Nickel-Cadmium compared with lead-acid batteries are: 1. lower risk of thermal runaway 2. higher internal resistance, hence higher power 3. reduced charging time 4. constant output voltage. The combination which regroups all the correct statements is:
21 - An aircraft with a pressurized cabin flies at FL310. Following a malfunction of the pressure controller, the outflow valve runs to the open position. Given: VZc: Cabin rate of climb indication Zc: Cabin pressure altitude DELTA P: Differential pressure. This will result in a:
22 - The primary purpose of a supercharger is to:
23 - In a hydraulic system, the reservoir is pressurized in order to:
24 - The term 'pressure cabin' applies when an aeroplane:
25 - If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move:
26 - 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:
27 - The output of a generator is controlled by:
28 - The relationship between compression ratio of a piston engine and the required fuel octane rating is that the:
29 - The fuel cross-feed system:
30 - The purpose of the baffles in an aircraft's integral fuel tank is to:
31 - Which of these statements about trimming in an irreversible flight control system of a conventional aeroplane are correct or incorrect? 1) The zero force position of the control column does not change when using the elevator trim. 2) The zero force position of the control wheel does not change when using the aileron trim.
32 - The trim tab:
33 - Evacuation slide normal inflation is achieved by:
34 - When the oxygen system of a large aeroplane is used,:
35 - 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.
36 - When an underspeed fault is detected on an AC generator connected to the aircraft AC busbar, the protection device opens the:
37 - The principle of FAIL SAFE design of an aircraft is based on the:
38 - In a pressurized aircraft, the first aid (therapeutic) oxygen is designed to:
39 - The Low Altitude Radio Altimeter uses the following wavelengths:
40 - The Ram Air Turbine (RAT) provides emergency hydraulic power for:
41 - The services connected to a supply bus-bar are normally in:
42 - On a jet aircraft fuel heaters are:
43 - A 'Zener' diode is used for:
44 - 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.
45 - In a bootstrap cooling system the supply air is first:
46 - Thermal plugs are installed in:
47 - A 3 phase AC generator has 3 separate stator windings spaced at:
48 - The voltage of a fully charged lead-acid battery cell is:
49 - The minimum airborne equipment required for operation of the VHF direction finder is a:
50 - For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
51 - The function of a NOT logic gate within a circuit is to:
52 - 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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53 - A rectifier is a unit that:
54 - When a battery is almost fully discharged there is a tendency for the:
55 - The purpose of stringers, used in fuselage construction, is to:
56 - The automatic ground spoiler extension system is normally activated during landing by:
57 - In computer technology, an input peripheral is a:
58 - The capacity of a battery is the:
59 - The hydraulic system that works correctly is shown in the figure:
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60 - During climb with constant throttle and RPM lever setting (mixture being constant) the:
61 - The purpose of cabin air flow control valves in a pressurisation system is to:
62 - In aviation, the reflection on ionosphere layers phenomenon is used in the following frequencies:
63 - The commonly used symbol of resistance is:
64 - The wing ice protection system currently used for most large turboprop transport aeroplanes is a:
65 - In general, in twin-engine aeroplanes with 'constant speed propeller'
66 - 'Frequency wild' in relation to a AC generation system means the generator:
67 - The reason for fitting thermal plugs to aircraft wheels is that they:
68 - Main cabin temperature is:
69 - An artificial feel unit is necessary in the pitch channel of a flight control system when:
70 - Regarding the oxygen system of a CS 25 aeroplane:
71 - The frequency which corresponds to a wavelength of 12 cm is:
72 - The so-called 'hot buses' or 'direct buses' are:
73 - During flight the yaw pedals are used to control:
74 - Electrically powered ice protection devices on aircraft are:
75 - The frequency of the current provided by an alternator depends on:
76 - The useful work area in an ideal Otto engine indicator diagram is enclosed by the following gas state change lines
77 - In jet aeroplanes the 'thermal anti-ice system' is primarily supplied by
78 - A stage in an axial compressor:
79 - If an abortive start (hung start) occurs when starting a gas turbine engine, the correct action is to:
80 - Cabin pressure is controlled by:
81 - Immediately after starting engine(s) with no other electrical services switched on, an ammeter is showing a high charge rate to the battery:
82 - According to EASA CS the allowable average failure probability per flight hour for a MINOR FAILURE should be in the order of:
83 - 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.
84 - Engine temperature limitations of a gas turbine engine are usually imposed due to temperature limitations on the:
85 - The purpose of the cabin pressure controller, in the automatic mode, is to perform the following functions 1. control of cabin altitude, 2. control of cabin altitude rate-of-change, 3. limitation of differential pressure 4. balancing aircraft altitude with cabin altitude 5. cabin ventilation 6. keeping a constant differential pressure throughout all the flight phases The combination regrouping all the correct statements is:
86 - Which of the following parts is a typical semiconductor part?
87 - Primary flight controls are:
88 - 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.
89 - In flight, if the Constant Speed Drive (CSD) temperature indicator is in the red arc the:
90 - In computer technology, a storage peripheral is a:
91 - The elevators of a conventional aeroplane are used to provide rotation about the:
92 - A FAIL SAFE airframe construction design is:
93 - According to EASA CS-25 failure-condition classifications, the worst effect of a MINOR failure condition on the flight crew may be:
94 - A 'fan' stage of a ducted-fan turbine engine is driven by:
95 - A SANDWICH structural part is unsuitable for absorbing:
96 - The reason for having a low pressure fuel-cooled oil cooler in a recirculatory type oil system is to:
97 - The wavelength of a radio signal transmitted at the frequency 118.7 MHz is:
98 - In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is:
99 - When a part of a continuous loop fire detection system is heated 1. its resistance decreases. 2. its resistance increases. 3. the leakage current increases. 4. the leakage current decreases The combination regrouping all the correct statements is:
100 - Ice protection for propellers on many turboprop aeroplanes operates:
101 - Which of these statements about structural design principles are correct or incorrect? 1) The DAMAGE TOLERANCE principle takes cracking of the structure into account. 2) The SAFE LIFE principle is based on the replacement of parts after a given number of cycles or flight hours.
102 - On detection of a persistent phase imbalance between an AC generator connected to the main bus bars and other AC generators, the protection device that opens is/are the:
103 - Usually, in conductive materials:
104 - Pre-ignition refers to the condition that may arise when:
105 - On starting, in a brushless AC generator with no commutator rings, the generator is activated by:
106 - The high Altitude Radio Altimeter uses the following wavelengths:
107 - An aeroplane equipped with fully powered flight controls (irreversible type):
108 - 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:
109 - The inner layer of a heated windscreen is made of:
110 - 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.
111 - The most common material used in the construction of gearbox casings is:
112 - Parameters to monitor a hydraulic system in the cockpit can be:
113 - The kind of compressor normally used as a supercharger is:
114 - The purpose of a ditching control is to:
115 - For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:
116 - To reduce the risk of tyre burst due to overheating, for example after heavy braking during a rejected take-off, aircraft wheels may be fitted with:
117 - Cockpit indications associated with a windscreen heating system usually comprise:
118 - On a transport type aircraft the fuel tank system is vented through:
119 - What is the name of the control surface that rotates an aeroplane about its longitudinal axis?
120 - Hydraulic fluids commonly used in large transport-category aeroplanes are:
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