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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 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:
2 - A rich mixture setting has to be used during climb segments. This results in a:
3 - A 'fan' stage of a ducted-fan turbine engine is driven by:
4 - When an underspeed fault is detected on an AC generator connected to the aircraft AC busbar, the protection device opens the:
5 - When the door operation of a transport airplane equipped with evacuation slides is controlled from the outside, the slide:
6 - An aeroplane equipped with fully powered flight controls (irreversible type):
7 - The range of movement of a control surface is limited by:
8 - An engine fire in a large transport aircraft is indicated by a:
9 - 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:
10 - On a normally aspirated engine (non turbo-charged), the manifold pressure gauge always indicates...
11 - The reason for using inverters in an electrical system is:
12 - If the ground wire between the magnetos and the ignition switch becomes disconnected the most noticeable result will be that:
13 - A warning device alerts the crew in case of an excessive cabin altitude. This warning must be triggered on reaching the following altitude:
14 - 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) Manual flight controls should have a gust lock.
15 - In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is:
16 - The power required for field excitation of the main rotor in modern constant-frequency alternators is directly supplied by:
17 - Evacuation slide normal inflation is achieved by:
18 - 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:
19 - In a cabin air conditioning system, equipped with a bootstrap, the mass air flow is routed via the:
20 - Power plant fire extinguishers are operated by:
21 - The built-in passenger oxygen system be activated by:
22 - In the stator of a turbine, the speed V and static pressure Ps vary as follows:
23 - A volumetric top off valve on small aircraft typically works on the principle of:
24 - A CSD of an AC generator may be disconnected in flight. The primary reason(s) for disconnection are:
25 - When a wing bends upwards, aileron flutter might occur if the aileron deflects:
26 - According JAR CS/ EASA CS the worst effect of a MINOR FAILURE on the flight crew could be:
27 - 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:
28 - On a multi-engined aircraft a fire detection system includes:
29 - 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.
30 - Parameters to monitor a hydraulic system in the cockpit can be:
31 - The torque of an aeroplane engine can be measured at the:
32 - In flight, if the Constant Speed Drive (CSD) temperature indicator is in the red arc the:
33 - Pulling the fire shutoff handle causes a number of devices to disconnect. In respect of the AC generator it can be said that the:
34 - Why is the artificial feel required on some flight control systems and how is the degree of the feel set?
35 - Control surface flutter can be avoided by:1. a high torsional stiffness of the structure.2. a low torsional stiffness of the structure.3. locating a balancing mass in front of the control hinge.4. locating a balancing mass behind the control hinge.The combination that regroups all of the correct statements is:
36 - If an engine fails to stop with the magneto switch in OFF position, the cause may be:
37 - During flight the yaw pedals are used to control:
38 - The principle of damage tolerance in structural design of an aircraft is based on the:
39 - In a single spool gas turbine engine, the compressor RPM is:
40 - Severe compressor stall can be indicated amongst others by:
41 - The compression ratio of a piston engine is the ratio of the:
42 - 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.
43 - An artificial feel system:
44 - A radio signal loses strength as range from the transmitter increases, this is called:
45 - During climb with constant throttle and RPM lever setting (mixture being constant) the:
46 - The bimetal strip detectors of an engine fire detection system: 1 - are arranged in series.2 - are arranged in parallel. 3 - open during a fire.4 - close during a fire.The combination containing all of the correct statements is:
47 - On board present aircraft, the batteries used are mainly Cadmium-Nickel. Their advantages are:1. low risk of thermal runaway2. high internal resistance, hence higher power3. good charging and discharging capability at high rating4. wider permissible temperature range5. good storage capability6. sturdiness owing to its metal casing7. the electrolyte density remains unchanged during charging. The combination of correct statement is:
48 - The principle of ON CONDITION maintenance is based on the:
49 - The principle of the SAFE LIFE design of an aircraft is based on the:
50 - The fan of a turbo-fan engine is driven by:
51 - Primary flight controls are:
52 - The purpose of the barometric correction in a fuel controller is to:
53 - The use of a hot air wing anti-icing system:
54 - A stage in an axial compressor:
55 - 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) There is no need for a gust lock on reversible flight controls.
56 - 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:
57 - Where are flight spoilers fitted?
58 - The conditions to be met to activate a shunt generator are: 1. presence of a permanent field 2. closed electrical circuit 3. generator terminals short-circuited 4. minimum rotation speed The combination of correct statements is:
59 - The fuel temperature, at which, under standard conditions, the vapour ignites in contact with a flame and extinguishes immediately, is the:
60 - The reason for fitting thermal plugs to aircraft wheels is that they:
61 - Hydraulic fluids used in systems of large modern airliners are:
62 - 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:
63 - If the cabin altitude rises (aircraft in level flight), the differential pressure:
64 - Which of the following parts is a typical semiconductor part?
65 - 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:
66 - The function of a constant speed drive (CSD) is to ensure:
67 - An oxygen regulator has 3 controls - a power lever: ON/OFF- an 'O2' lever: NORMAL/100%- an emergency lever: ON/OFF Among the following statements, the correct proposition is:
68 - The FADEC of a gas turbine engine consists of:
69 - Usually, in conductive materials:
70 - A 'hung start' is the failure of an engine to accelerate to its normal idle speed. It may be caused by:
71 - If two constant frequency AC generators are operating independently, then the phase relation between both generators:
72 - 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.
73 - Significant torsion effects in a wing during flight can be caused by:
74 - Which is the correct statement regarding a large aircraft fitted with both inboard and outboard ailerons?
75 - One design method to avoid control surface flutter is:
76 - Oil consumption is mainly due to
77 - Cabin air for CS 25 aeroplanes is usually taken from:
78 - 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:
79 - In a turbo-jet, the purpose of the turbine is to ...
80 - For a turbine engine, the self-sustaining speed relates to the minimum RPM at which the engine:
81 - For piston engines, mixture ratio is the ratio between the:
82 - 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:
83 - 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:
84 - One of the advantages of a turbocharger is:
85 - According EASA CS the allowable average failure probability per flight hour for a MINOR FAILURE should be in the order of:
86 - A pilot can determine the amount of oxygen in a bottle by observing its:
87 - 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:
88 - What will happen to the geometrical pitch angle of a 'constant speed propeller' if the manifold pressure is increased ?
89 - The working principle of the anti-skid system is:
90 - Assuming cabin differential pressure has reached the required value in normal flight conditions, if flight altitude and air conditioning system setting are maintained:
91 - In a generator, the Constant Speed Drive (CSD) 1- may be disconnected from the engine shaft. 2- may be disconnected from the generator. 3- is a hydro-mechanical system. 4- is an electronic system. 5- may not be disconnected in flight. 6- may be disconnected in flight The combination regrouping all the correct statements is:
92 - 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:
question agk9.webp
93 - Why are flaps and slats fitted to modern aircraft?
94 - A bus-bar is:
95 - 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:
96 - The reason for having a low pressure fuel-cooled oil cooler in a recirculatory type oil system is to:
97 - The reasons for disconnecting a constant speed drive (CSD) of an AC generator in flight are: 1 - low oil pressure in the CSD.2 - slight variation about the normal operating frequency. 3 - high oil temperature in the CSD.4 - excessive variation of voltage and kVAR.The combination that regroups all of the correct statements is:
98 - 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:
99 - 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:
100 - With engine fire alarm activated, the extinguisher discharge:
101 - The purpose of a trim tab (device) is to:
102 - When in flight, a piston engine is stopped and the propeller blade pitch angle is near 90°, the propeller is said to be...
103 - The part of a piston engine that transforms reciprocating movement into rotary motion is termed the:
104 - Fuel flow information for gas turbine engines is:
105 - The crank assembly consists of
106 - In aeronautics, the most commonly used batteries are NiCd because:
107 - If one of the 12 cells of a lead-acid battery is dead, the battery:
108 - Ignition systems of piston engines are:
109 - When a continuous loop wire type fire detection system is tested:
110 - The fan in a high by-pass ratio turbo-jet engine produces:
111 - Modern pressurized transport airplanes are equipped with:
112 - A structure in which the skin takes all of the load is:
113 - The alternators, when connected, are usually connected:
114 - Associate the correct legend to each of the numbered diagrams:
question agk6.webp
115 - Rudder trim adjustment in an aeroplane with irreversible flight controls is:
116 - A static converter is powered by:
117 - Turbine blade stages may be classed as either 'impulse' or 'reaction'. In an impulse blade section:
118 - Cabin pressure is controlled by:
119 - Which of these statements regarding cockpit windows are correct or incorrect?I. On some aeroplanes the cockpit windows have an additional speed restriction, related to bird impact, when window heating is inoperative.II. Cockpit side windows are always provided with a de-icing system.
120 - With respect to a piston engine aircraft, ice in the carburettor:
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