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Exam simulation Aircraft General Knowledge - Airframe, Systems, Powerplant ATPL - Airline Transport Pilot license

Exam simulation atpl 120 questions on 120 minutes

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1 - The control of free turbine engines on turboprops, is accomplished by - a propeller control lever used to select: 1 - propeller RPM2 - 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:
2 - When the oxygen system of a large aeroplane is used,:
3 - When a persistent top excitation limit fault on an AC generator connected to the mains with another AC generator, the overexcitation protection device opens:
4 - The difference between ( 1) a fuse and ( 2) a circuit breaker is:
5 - An aeroplane whose maximum approved passenger seating configuration is 301 to 400 seats must be equipped with at least:
6 - 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.
7 - 'Vapour lock' is the phenomenon by which:
8 - If the maximum operating altitude of an airplane is limited by the pressurized cabin, this limitation is due to the maximum:
9 - The purpose of a distributor in an ignition system is to distribute:
10 - The main feature of BCF fire extinguishers is that they:
11 - A warning device alerts the crew in case of an excessive cabin altitude. This warning must be triggered on reaching the following altitude:
12 - 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:
13 - What is the purpose of inboard ailerons?
14 - 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.
15 - 'Frequency wild' in relation to a AC generation system means the generator:
16 - The bending loads on a cantilever wing due to lift are carried by the:1. upper skin surface.2. lower skin surface.3. wing root fairing.4. spar or spars.The combination that regroups all of the correct statements is:
17 - 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:
18 - The function of a NOT logic gate within a circuit is to:
19 - Circuit breakers protecting circuits may be:
20 - According EASA CS the worst effect of a HAZARDOUS FAILURE on the occupants of an aeroplane excluding flight crew could be:
21 - In a bootstrap system, the purpose of the heat exchangers is to:
22 - Cockpit indications associated with a windscreen heating system usually comprise:
23 - 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.
24 - In a commercial transport aircraft the landing gear operating system is usually:
25 - The richness of a fuel/air mixture ratio is the:
26 - 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:
27 - Windshield heating of a transport aeroplane is:
28 - Using compressor bleed air to power systems:
29 - A tubeless tyre is a tyre 1. which requires solid or branched wheels 2. whose valve can be sheared in sudden accelerations 3. whose mounting rim must be flawless 4. which requires no rim protection between rim flange and tire removing device 5 . which does not burst in the event of a tire puncture 6. which eliminates internal friction between the tube and the tire The combination regrouping all the correct statements is:
30 - 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:
31 - The purpose of a diluter demand regulator in an oxygen system is to:
32 - Relationships between the force, pressure and area is:
33 - With engine fire alarm activated, the extinguisher discharge:
34 - In flight, if the Constant Speed Drive (CSD) temperature indicator is in the red arc the:
35 - The purpose of a chip detector in the oil system of an engine/gearbox is to indicate that:
36 - 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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37 - 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:
38 - The type of brake unit found on most transport aeroplanes is a:
39 - The purpose of the primary stops in a flying control system is to:
40 - 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.
41 - Fuel pumps submerged in the fuel tanks of a multi-engine aircraft are:
42 - About a twin spool compressor:
43 - A condenser in parallel with breaker points will:
44 - The types of fuel tanks used on most modern transport aircraft are:
45 - Consider a jet engine whose control is based on the Engine Pressure Ratio (EPR) 1. with a constant EPR, the thrust decreases when the altitude increases 2. with a constant EPR, the thrust is independent of the Mach number 3. At same environmental conditions, a given EPR setting maintains the thrust irrespective of engine wear due to ageing. 4. the EPR is determined by the impact pressure difference between the turbine outlet and the compressor inlet 5. on take-off, in the event of icing not detected by the crew, the indicated EPR is lower than the real EPR The combination regrouping all the correct statements is:
46 - On a multi-engined aircraft a fire detection system includes:
47 - A 3 phase AC generator has 3 separate stator windings spaced at:
48 - What will happen to the geometrical pitch angle of a 'constant speed propeller' if the manifold pressure is increased ?
49 - A turbocharger consists of a:
50 - The expression "primary flight control" applies to the: 1: elevator.2: speed brake.3: lift-augmentation devices.4: roll spoiler.The combination that regroups all of the correct statements is:
51 - What can be the consequence during a descent with a fully open throttle if the waste gate is seized ?
52 - With which instrument(s) do you monitor the power output of an aeroplane fitted with a fixed pitch propeller?
53 - According EASA CS25 the worst effect of a MINOR FAILURE on the occupants of an aeroplane excluding flight crew could be:
54 - The function of a fusible plug is to
55 - In very cold weather, the pilot notices during startup, a slightly higher than normal engine oil pressure. This higher pressure:
56 - The power output of a piston engine can be calculated by:
57 - In a modern hydraulic system, 'hydraulic fuses' can be found. Their function is:
58 - A semi-monocoque aircraft fuselage structure usually consists of:
59 - A diluter demand oxygen regulator:
60 - Associate the correct legend to each of the numbered diagrams:
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61 - What is the purpose of the pack cooling fans in the air conditioning system?
62 - In addition to energy storage, the accumulator of the hydraulic system is used:
63 - The principle of damage tolerance in structural design of an aircraft is based on the:
64 - Generally, on modern jet transport aircraft, how can the landing gear be extended if there is a complete hydraulic system failure.
65 - The term 'bootstrap', when used to identify a cabin air conditioning and pressurisation system, refers to the:
66 - An aircraft with a pressurized cabin is settled at its cruise level.During the flight, a malfunction of the pressure controller is detected by the crew and the cabin altitude rate indicator reads -200ft/min.Given that:DELTA P: Differential pressure Zc: Cabin altitude
67 - 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:
68 - The purpose of bonding the metallic parts of an aircraft is to:1 - prevent electrolytic corrosion between mating surfaces of similar metals. 2 - ensure zero voltage difference between aircraft components.3 - isolate all components electrically.4 - provide a single earth for electrical devices.The combination that regroups all of the correct statements is:
69 - For a turbine engine, the self-sustaining speed relates to the minimum RPM at which the engine:
70 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
71 - If two constant frequency AC generators are operating independently, then the phase relation between both generators:
72 - With regard to the pneumatic mechanical devices which afford protection against the formation of ice, the only correct statement is:
73 - 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:
74 - 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:
75 - Prolonged running at low rpm can have an adverse effect on the functioning of the:
76 - Concerning the sequential pneumatic impulses used in certain leading edge de-icing devices, one can affirm that 1 - They prevent ice formation. 2 - They are triggered from the flight deck after icing has become visible. 3 - A cycle lasts more than ten seconds. 4 - There are more than ten cycles per second: The combination which regroups all the correct statements is:
77 - According JAR CS / EASA CS the worst effect of a MAJOR FAILURE on the aeroplane could be:
78 - Smoke detectors fitted on transport aircraft are of the following type:
79 - An electrically activated and operated fuel valve is called a/an:
80 - 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:
81 - The wavelength of a radio wave transmitted on frequency 121.95 MHz is:
82 - In a fire detection system with single-loop continuous components (with no fault protection), if the line is accidentally grounded:
83 - If the cabin altitude rises (aircraft in level flight), the differential pressure:
84 - A CSD unit which has been disconnected in flight:
85 - Under normal running conditions a magneto draws primary current:
86 - If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move:
87 - 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:
88 - 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:
89 - An airplane whose maximum approved passenger seating configuration is 7 to 30 seats must be equipped with at least:
90 - 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:
91 - An impulse coupling does not function at such speeds above those encountered in starting. Its engaging pawls are prevented from operating at higher speeds by
92 - If the ground wire between the magnetos and the ignition switch becomes disconnected the most noticeable result will be that:
93 - Under normal conditions (CS 2 5) the cabin pressure altitude is not allowed to exceed:
94 - An AC generator driven by a CSD unit:
95 - The type of hydraulic fluid which has the greatest resistance to cavitation is:
96 - The Ram Air Turbine (RAT) provides emergency hydraulic power for:
97 - An engine fire in a large transport aeroplane is indicated by a(n):
98 - Shuttle valves will automatically:
99 - Creep of turbine blades is caused by:
100 - 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:
101 - The purpose of cabin air flow control valves in a pressurisation system is to:
102 - 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:
103 - Ignition systems of piston engines are:
104 - 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:
105 - On detection of a persistent overvoltage fault on an AC generator connected to the aircraft AC busbars, the on-board protection device opens:
106 - 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:
107 - Pneumatic mechanical devices that provide ice protection:
108 - When increasing true airspeed with a constant engine RPM, the angle of attack of a fixed pitch propeller:
109 - 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:
110 - According to EASA CS the allowable quantitative average failure probability per flight hour for a HAZARDOUS FAILURE should be on the order of:
111 - 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:
112 - According EASA CS25 the worst effect of a HAZARDOUS Condition on the aeroplane could be:
113 - The heating facility for the windshield of an aircraft is:
114 - Trailing edge flaps:
115 - In case of engine failure during flight the blades of a constant speed propeller in a single engine aeroplane, not fitted with feathering system
116 - In an aircraft equipped with a DC main power system, AC for instrument operation may be obtained from:
117 - The thrust reversers of jet engines may use clamshell doors in order to:
118 - The connection in parallel of two 12 volt / 40 Ah batteries, will create a unit with the following characteristics:
119 - Which of these statements about rudder limiting are correct or incorrect? 1) A rudder ratio changer system reduces the rudder deflection for a given rudder pedal deflection as the IAS increases. 2) A variable stop system limits both rudder and rudder pedal deflection as the IAS increases.
120 - On a jet aircraft fuel heaters are:
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