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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 tanks of a hydraulic system are pressurized:
2 - The capacitance type fuel gauging system indicates the fuel quantity by measuring the:
3 - A 3 phase AC generator has 3 separate stator windings spaced at:
4 - In an aircraft electrical system where AC generators are not paralleled mounted, the changeover relay allows:
5 - The advantages of fly-by-wire control are 1. reduction of the electric and hydraulic power required to operate the control surfaces 2. lesser sensitivity to lightning strike 3. direct and indirect weight saving through simplification of systems 4 . immunity to different interfering signals 5. improvement of piloting quality throughout the flight envelope The combination regrouping all the correct statements is:
6 - The frequency of the current provided by an alternator depends on...
7 - When the door operation of a transport airplane equipped with evacuation slides in the armed position is opened from the outside, the slide:
8 - When a persistent over-excitation fault is detected on only one AC generator, the protection device opens the:
9 - The "constant speed propeller" has:
10 - 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 altitudeDELTA P: Differential pressureThis will result in a:
11 - When a wing bends upwards, aileron flutter might occur if the aileron deflects:
12 - In an aeroplane utilising a constant frequency AC power supply, DC power is obtained from a:
13 - According JAR CS/ EASA CS the worst effect of a MINOR FAILURE on the flight crew could be:
14 - 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 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.
15 - 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.
16 - In the axial flow compressor of a turbo-jet engine, the flow duct is tapered. Its shape is calculated so as to:
17 - What is the load in the upper respectively lower girder of a spar of a cantilever wing during straight and level flight?
18 - 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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19 - A FAIL SAFE airframe construction design is:
20 - Fuel pumps submerged in the fuel tanks of a multi-engine aircraft are:
21 - Usually, in conductive materials:
22 - The purpose of the blow-in-doors at the air inlets is to:
23 - A SANDWICH structural part:
24 - The purpose of a diluter demand regulator in an oxygen system is to:
25 - On four-stroke piston engines, the theoretical valve and ignition settings are readjusted in order to increase the:
26 - On a multi-engined aircraft a fire detection system includes:
27 - A SANDWICH structural part is:
28 - Which of these statements about composite and metal structures are correct or incorrect? 1) In a structural component with given dimensions constructed of composite materials, the strength is the same in all directions. 2) Composite materials enable structures with higher strength / weight ratio than metal structures.
29 - When excessively leaning the mixture for a better fuel economy, but still on the rich side of the peak EGT, the following engine parameter(s) may exceed their normal operating ranges:
30 - The difference between ( 1) a fuse and ( 2) a circuit breaker is:
31 - The pressurization of tanks is maintained by the fuel:
32 - The function of a NOT logic gate within a circuit is to:
33 - The principle of ON CONDITION maintenance is based on the:
34 - The reason for having a low pressure fuel-cooled oil cooler in a recirculatory type oil system is to:
35 - A static converter is powered by:
36 - The reason for the trim switch on a control column to consist of two separate switches is
37 - 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?
38 - The power required for field excitation of the main rotor in modern constant-frequency alternators is directly supplied by:
39 - The component that converts hydraulic pressure into linear motion is called:
40 - Max. Exhaust Gas Temperature is theoretically associated with:
41 - The mechanism to change the propeller blade pitch of modern small piston engine aeroplanes is operated
42 - Relationships between the force, pressure and area is:
43 - Spoilers installed on a typical large transport aeroplane are:
44 - 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:
45 - What is the purpose of the pack cooling fans in the air conditioning system?
46 - A SANDWICH structural part is unsuitable for absorbing:
47 - When a persistent top excitation limit fault on an AC generator connected to the mains with another AC generator, the overexcitation protection device opens:
48 - On detection of a persistent overvoltage fault on an AC generator connected to the aircraft AC busbars, the on-board protection device opens:
49 - A 'trip-free' type circuit breaker is a circuit protection device which:
50 - 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:
51 - Dual ignition provides a factor of reliability and:
52 - If an engine fails to stop with the magneto switch in OFF position, the cause may be:
53 - Over-tensioned cables in a flight control system could result in:
54 - The kind of compressor normally used as a supercharger is:
55 - The principle of FAIL SAFE design of an aircraft is based on the:
56 - In aviation, the reflection on ionosphere layers phenomenon is used in the following frequencies:
57 - The function of the selector valve is to:
58 - Where are flight spoilers fitted?
59 - The services connected to a supply bus-bar are normally in:
60 - The torque of an aeroplane engine can be measured at the:
61 - Automatic temperature control of the system as shown, would be accomplished by:
62 - The type of gate which requires all conditions with logic 1 for engagement is:
63 - The type of windings commonly used in DC starter motors are:
64 - For a subsonic airflow, in a divergent duct the:
65 - The gas turbine illustrated is of the following type:
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66 - 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
67 - The capacity of a battery is the:
68 - 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:
69 - The commonly used symbol of resistance is:
70 - The advantage of mounting the tailplane on top of the vertical stabilizer (a "T-tail" configuration) is:
71 - The power of a piston engine which will be measured by using a friction brake is:
72 - The advantages of Nickel-Cadmium compared with lead-acid batteries are:1. lower risk of thermal runaway2. higher internal resistance, hence higher power3. reduced charging time4. constant output voltageThe combination which regroups all the correct statements is:
73 - At constant fuel flow, if engine compressor air is bled off for engine anti-icing or a similar system, the turbine temperature:
74 - If two constant frequency AC generators are operating independently, then the phase relation between both generators:
75 - 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 pumps The combination regrouping all the correct statements is:
76 - According to EASA CS the allowable quantitative average failure probability per flight hour for a HAZARDOUS FAILURE should be on the order of:
77 - When a landing gear wheel is hydroplaning, its friction factor is equal to:
78 - Oil consumption is mainly due to
79 - 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:
80 - The cabin rate of descent:
81 - A thermal circuit breaker:
82 - On a transport type aircraft the fuel tank system is vented through:
83 - The purpose of the proximity of the emergency evacuation path marking system is to:
84 - The main purpose of a constant speed drive unit is to:
85 - 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:
86 - If the control stick of an aircraft is moved forward and to the right, the left aileron will move:
87 - The moving part in an AC generator is usually referred to as the:
88 - The FADEC of a gas turbine engine consists of:
89 - The expression "primary flight control" applies to the: 1) stabilizer 2) rudder 3) speed brake 4) aileronThe combination that regroups all of the correct statements is:
90 - The principle of damage tolerance in structural design of an aircraft is based on the:
91 - The type of brake unit found on most transport aeroplanes is a:
92 - 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:
93 - When operating two AC generators unparalleled, the phase relationship of each generator:
94 - 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:
95 - 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:
96 - The primary reason for a limitation being imposed on the temperature of gas flow is to:
97 - For a given type of oil, the oil viscosity depends on the:
98 - When two DC generators are operating in parallel, control of load sharing is achieved by:
99 - 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:
100 - Vibration sensors are used in a gas turbine engine to indicate:
101 - The purpose of cabin air flow control valves in a pressurisation system is to:
102 - When the wing skin is not able to carry loads, the structural elements of the wing, which carry the bending moment, are:
103 - The correct order of decreasing freezing points of the three mentioned fuels is:
104 - The output of a generator is controlled by:
105 - Trimming of aileron and rudder in an irreversible flight control system:
106 - Which of the following qualitative statements about a fixed propeller optimized for cruise condition, is true for the take-off case? The angle of attack of the propeller:
107 - 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.
108 - In a steep turn to the left, when using flight spoilers for roll assistance and at the same time for reducing the airspeed:
109 - The Instrument Landing System (ILS) uses the following wavelengths:
110 - The purpose of a trim tab (device) is to:
111 - The connection in parallel of two 12 volt / 40 Ah batteries, will create a unit with the following characteristics:
112 - Load shedding means:
113 - Purposes of an accumulator in an hydraulic system are:1. to damp pressure fluctuations.2. to cool the hydraulic fluid.3. to serve as a limited alternate source of pressure.4. to serve as a main pressure source for normal operation. The combination that regroups all of the correct statements is:
114 - Which of these statements about a gust lock system are correct or incorrect? 1) Irreversible flight controls should have a gust lock. 2) There is no need for a gust lock on manual flight controls.
115 - In order to produce an alternating voltage of 400 Hz, the number of pairs of poles required in an AC generator running at 6.000 RPM is:
116 - Regarding Ohm's law:
117 - The viscosity of a hydraulic fluid should be:
118 - If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move:
119 - Pneumatic mechanical ice protection systems are mainly used for:
120 - The advantages of grounding the negative pole of the aircraft structure are 1. Weight saving 2. Easy fault detection 3. Increase of short-circuit risk 4. Reduction of short-circuit risk5. Circuits are not single-wired line The combination regrouping all the correct statements is:
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