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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 detection of a persistent phase unbalance on an AC generator connected to the aircraft mains, with another AC generator, the protection device opens:
2 - On what principle does a fuel flow meter work?
3 - For a turbine engine, the self-sustaining speed relates to the minimum RPM at which the engine:
4 - Prolonged running at low rpm can have an adverse effect on the functioning of the:
5 - When the combustion gases pass through a turbine the:
6 - In a single spool gas turbine engine, the compressor RPM is:
7 - 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:
8 - According EASA CS25 the worst effect of a MAJOR FAILURE on the flight crew could be:
9 - Regarding the oxygen system of a CS 25 aeroplane:
10 - Torsion in a wing can be caused by:
11 - An aeroplane whose maximum approved passenger seating configuration is 501 to 600 seats must be equipped with at least:
12 - What can be the consequence during a descent with a fully open throttle if the waste gate is seized ?
13 - A unit that converts electrical DC into AC is:
14 - Immediately after starting engine(s) with no other electrical services switched on, an ammeter showing a high charge rate to the battery:
15 - The expression "secondary 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:
16 - Shimmy occurs on the nose wheel landing gear during taxiing when 1. the wheels tend to describe a sinusoidal motion on the ground2. the wheels no longer respond to the pilot's action This effect is overcome by means of: 3. the torque link4. a damper associated with the steering cylinde The combination of correct statements is:
17 - About a twin spool compressor:
18 - 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 stresses The combination regrouping all the correct statements is:
19 - An artificial feel unit is necessary in the pitch channel when:
20 - Regarding fire detection, Ion detectors are used to detect:
21 - The power required for field excitation of the main rotor in modern constant-frequency alternators is directly supplied by:
22 - The conditions which can cause knocking are:
23 - On starting, in a brushless AC generator with no commutator rings, the generator is activated by:
24 - 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 ...
25 - Over-tensioned cables in a flight control system could result in:
26 - The chemical oxygen generator supplies oxygen for about:
27 - 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:
28 - 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:
29 - In computer technology, a storage peripheral is a:
30 - In a compensated capacitance type quantity indicating system, the contents gauge of a half- full fuel tank indicates a fuel mass of 8000 lIf a temperature rise increased the volume of fuel by 5%, the indicated fuel weight would:
31 - The "constant speed propeller" has:
32 - At constant fuel flow, if engine compressor air is bled off for engine anti-icing or a similar system, the turbine temperature:
33 - A torsion link assembly is installed on the landing gear to:
34 - Compared to a tyre fitted with an inner tube, a tubeless tyre presents the following characteristics 1 - high heating 2 - valve fragility3 - lower risk of bursting4 - better adjustment to wheel The combination containing all the correct statements is:
35 - A rich mixture setting has to be used during climb segments. This results in a:
36 - The trim tab:
37 - The minimum airborne equipment required for operation of a the VHF direction finder is a:
38 - Under normal running conditions a magneto draws primary current:
39 - When the door operation of a transport airplane equipped with evacuation slides is controlled from the outside, the slide:
40 - Chemical oxygen generators are used to furnish oxygen to the:
41 - 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.
42 - An aeroplane whose maximum approved passenger seating configuration is 61 to 200 seats must be equipped with at least:
43 - Oil consumption is mainly due to
44 - Severe compressor stall can be indicated amongst others by:
45 - On a modern large pressurized transport aircraft, the maximum cabin differential pressure is approximately:
46 - The octane rating of a fuel and compression ratio of a piston engine have which of the following relations?
47 - A chip detector in the oil system of an engine/gearbox is to indicate that
48 - Which is the correct statement regarding a large aircraft fitted with both inboard and outboard ailerons?
49 - If the cabin altitude rises (aircraft in level flight), the differential pressure:
50 - The operating principle of float-type carburettors is based on the:
51 - The difference between ( 1) a fuse and ( 2) a circuit breaker is:
52 - The air-conditioning pack of a present-day aircraft consists of several components: these include two heat exchangers the primary exchanger (P) and the secondary exchanger (S).The functions of these heat exchangers are as follows:
53 - The working principle of the anti-skid system is:
54 - Which of these statements about trimming in a irreversible flight control system of a conventional aeroplane are correct or incorrect? 1) The zero force position of the control column changes when using the elevator trim. 2) The zero force position of the control wheel does not change when using the aileron trim.
55 - With respect to a piston engine aircraft, ice in the carburettor:
56 - An aeroplane whose maximum approved passenger seating configuration is 301 to 400 seats must be equipped with at least:
57 - For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
58 - An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
59 - Landing gear torque links are used to:
60 - Cabin pressure is controlled by:
61 - 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
62 - In very cold weather, the pilot notices during startup, a slightly higher than normal oil pressure.This higher pressure:
63 - The mechanism to change the propeller blade pitch of modern small piston engine aeroplanes is operated
64 - The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:
65 - Generally, for large aeroplanes, electrical heating for ice protection is used on:
66 - The main advantage of a constant speed propeller as compared to a fixed pitch propeller is a:
67 - Regarding Ohm's law:
68 - The useful work area in an ideal Otto engine indicator diagram is enclosed by the following gas state change lines
69 - The type of windings commonly used in DC starter motors are:
70 - When a landing gear wheel is hydroplaning, its friction factor is equal to:
71 - The main feature of BCF fire extinguishers is that they:
72 - If an engine fails to stop with the magneto switch in OFF position, the cause may be:
73 - For a given type of oil, the oil viscosity depends on the:
74 - The application of carburettor heat reduces
75 - On most transport aircraft, the low pressure pumps of the fuel system are:
76 - The advantage of mounting the tailplane on top of the vertical stabilizer is:
77 - What will happen to the geometrical pitch angle of a 'constant speed propeller' if the manifold pressure is increased ?
78 - A rectifier is a unit that:
79 - When a conductor cuts the field lines of a magnetic field:
80 - An electrically activated and operated fuel valve is called a/an:
81 - The thrust reversers of jet engines may use clamshell doors in order to:
82 - During climb with constant throttle and RPM lever setting (mixture being constant) the:
83 - The services connected to a supply bus-bar are normally in:
84 - 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:
85 - On an aeroplane utilising AC as primary power supplies, the batteries are charged in flight from:
86 - In a turbo-jet, the purpose of the turbine is to ...
87 - Windshield heating of a transport aeroplane is
88 - When applying carburettor heating:
89 - The reason for a double switch on the elevator trim is:
90 - The gas turbine illustrated is of the following type:
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91 - A magnetic circuit-breaker is:
92 - On a multi-engined aircraft a fire detection system includes:
93 - In a hydraulic braking system, an accumulator is pre-charged to 1200 psi.An electrically driven hydraulic pump is started and provides a system pressure of 3000 psi.The hydraulic pressure gauge which is connected to the gas section of the accumulator, reads:
94 - Trimming of aileron and rudder in an irreversible flight control system:
95 - The most common material used in the construction of gearbox casings is:
96 - 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.
97 - When the wing skin is not able to carry loads, the structural elements of the wing, which carry the bending moment, are:
98 - The mixture control for a carburettor achieves its control by:
99 - In an on-board computer, the software is
100 - The FADEC of a gas turbine engine consists of:
101 - The so-called 'hot buses' or 'direct buses' are:
102 - 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
103 - The Distance Measuring Equipment (DME) uses the following wavelengths:
104 - 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:
105 - The Instrument Landing System (ILS) uses the following wavelengths:
106 - The part of a piston engine that transforms reciprocating movement into rotary motion is termed the:
107 - The air in a piston engine turbo-supercharger centrifugal compressor:
108 - 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) There is no need for a gust lock on manual flight controls.
109 - The fuel supply system on a jet engine includes a fuel heating device, upstream of the main fuel filter so as to:
110 - Associate the correct legend to each of the numbered diagrams:
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111 - On a high by-pass ratio (fan) engine, due to the distribution of the thrust, it is normal for reverse thrust to be achieved by reversing:
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 - One type of flap used on aircraft moves down and increases the wing area by moving aft when lowered. This flap is known as:
114 - In a cabin air conditioning system, equipped with a bootstrap, the mass air flow is routed via the:
115 - When AC generators are operated in parallel, they must be of the same:
116 - Turbine blade stages may be classed as either 'impulse' or 'reaction'. In an impulse blade section:
117 - In modern aircraft, a pilot can actuate the feather system by:
118 - An aircraft whose maximum approved configuration for passenger seats is 200 seats must be equipped with:
119 - The de-icing system which is mostly used for the wings of modern turboprop aeroplanes is:
120 - The pilot may be prevented from retracting the landing gear whilst the aircraft is on the ground by:
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