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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 - If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move:
2 - When the AC generators are connected in parallel, the reactive loads are balanced by means of the:
3 - An accumulator in a hydraulic system will:
4 - In an on-board computer, the software is
5 - The purpose of the 'Pressure Relief Valve' in a high pressure oxygen system is to:
6 - For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
7 - VLO is the maximum:
8 - If the pressure in the cabin tends to become lower than the outside ambient air pressure the:
9 - Chemical oxygen generators are used to furnish oxygen to the:
10 - The purpose of a compressor bleed valve is to prevent surging:
11 - A red or an amber light on an undercarriage position indicator signifies:
12 - An artificial feel unit is necessary in the pitch channel when:
13 - The colour of a fresh synthetic hydraulic fluids is:
14 - 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
15 - 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 risk 5) circuits are not single-wired linesThe combination regrouping all the correct statements is:
16 - On an aeroplane utilising AC as primary power supplies, the batteries are charged in flight from:
17 - 'Vapour lock' is the phenomenon by which:
18 - The installation and use of on-board oxygen generators is such that 1 - the smoking ban is imperative when used2 - in case of accidental drop of the 'continuous flow' passenger masks, no crew action is required3 - no trace of grease must be found in the system assembly4 - the system's filling adaptors must be greased with non-freezing or graphite grease The combination which regroups all of the correct statements is:
19 - The most common material used in the construction of gearbox casings is:
20 - The term 'bootstrap', when used to identify a cabin air conditioning and pressurisation system, refers to the:
21 - In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is:
22 - The working principle of the anti-skid system is:
23 - When the pilot moves the mixture lever of a piston engine towards a lean position the:
24 - 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:
25 - Halon is used as a fire extinguishing agent because it:
26 - Pneumatic mechanical devices that provide ice protection:
27 - A primary stop is mounted on an elevator control system in order to:
28 - Hydraulic fluids used in systems of large modern airliners are:
29 - The fuel temperature, at which, under standard conditions, the vapour ignites in contact with a flame and extinguishes immediately, is the:
30 - The purpose of a voltage regulator is to control the output voltage of the:
31 - The main advantage of a constant speed propeller as compared to a fixed pitch propeller is a:
32 - According JAR CS / EASA CS the worst effect of a MAJOR FAILURE on the occupants of an aeroplane excluding flight cabin crew could be:
33 - Which statement is correct concerning the effect of the application of carburettor heat?
34 - Smoke detectors fitted on transport aircraft are of the following type:
35 - Cabin differential pressure means the pressure difference between:
36 - The function of the rudder limiter system is:
37 - 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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38 - If an artificial feel unit is fitted, it would be connected:
39 - Shuttle valves will automatically:
40 - 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:
41 - 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:
42 - A twin-spool engine with a bypass mass flow of 250 kg/s and a HP compressor mass flow of 250 kg/s has a bypass ratio of:
43 - 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:
44 - A rectifier is a unit that:
45 - Oil consumption is mainly due to
46 - In modern aircraft, a pilot can actuate the feather system by:
47 - A 3 phase AC generator has 3 separate stator windings spaced at:
48 - When operating two AC generators unparalleled, the phase relationship of each generator:
49 - The diffuser in a centrifugal compressor is a device in which the:
50 - 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:
51 - The illumination of the green landing gear light indicates that the landing gear is:
52 - The safety precautions to be taken whenever using oxygen are 1. refrain from smoking, avoid sparks. 2. Avoid operation of radio communication equipment. 3. Operate oxygen system valves slowly. 4 . Avoid greasy matter The combination regrouping all the correct statements is:
53 - Electrically powered ice protection devices on aircraft are:
54 - According EASA CS the worst effect of a HAZARDOUS FAILURE on the flight crew could be:
55 - The reason for a double switch on the elevator trim is:
56 - The ignition system generally used for small aircrafts is a:
57 - On large aeroplanes equipped with power brakes, the main source of power is derived from:
58 - 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.
59 - The resistors R1 and R2 are connected in parallel. The value of the equivalent resistance (Req) so obtained is given by the following formula:
60 - The fuel system boost pumps are used to:
61 - 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:
62 - 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
63 - On-board electrical systems are protected against faults of the following type: 1) AC generator over-voltage 2) AC generator under-voltage 3) over-current 4) over-speed 5) under-frequency 6) undue vibration of AC generatorsThe combination of correct statements is:
64 - The range of movement of a control surface is limited by:
65 - For a turbine engine, the self-sustaining speed relates to the minimum RPM at which the engine:
66 - On the attached diagram showing the power output of a piston engine as a function of mixture richness, best economy is at the point marked:
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67 - The purpose of a distributor in an ignition system is to distribute:
68 - The FADEC of a gas turbine engine consists of:
69 - Under normal running conditions a magneto draws primary current:
70 - The ice protection for propellers of modern turboprop aeroplanes works:
71 - The voltage regulator of a DC generator is connected in:
72 - The correct formula to calculate the multi-cylinder engine displacement is:
73 - According JAR CS / EASA CS the worst effect of a MINOR FAILURE on the aeroplane could be:
74 - If the ground wire between the magnetos and the ignition switch becomes disconnected the most noticeable result will be that:
75 - For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:
76 - When powering up a hydraulic system, the level in the reservoir will:
77 - When a persistent underexcitation fault is detected on an AC generator connected to the aircraft mains with another AC generator, the protection device opens:
78 - Load shedding means ..
79 - In general, in twin-engine aeroplanes with 'constant speed propeller'
80 - The expression "secondary flight control" applies to the: 1) trimmable stabilizer 2) rudder 3) speed brake 4) aileronThe combination that regroups all of the correct statements is:
81 - Main cabin temperature is:
82 - 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:
83 - The component that converts hydraulic pressure into linear motion is called:
84 - Immediately after starting engine(s) with no other electrical services switched on, an ammeter showing a high charge rate to the battery:
85 - With regard to the pneumatic mechanical devices which afford protection against the formation of ice, the only correct statement is:
86 - The primary purpose of the bleed valves fitted to axial flow compressors is to:
87 - According JAR CS/ EASA CS the worst effect of a MINOR FAILURE on the flight crew could be:
88 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
89 - 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.
90 - In a gas turbine engine, the maximum gas temperature is attained:
91 - Assuming the initiating cause is removed, which of these statements about resetting are correct or incorrect? 1) A fuse is not resettable 2) A circuit breaker is not resettable.
92 - Which of these statements regarding most gust lock systems is correct?
93 - The advantages of thermal anti-icing are:1. Simple and reliable system2. Profiles maintained3. Greater efficiency than that of an electrical resistor4. Direct use of the hot air from the jet engine without substantial reduction in engine thrust The combination of correct statements is:
94 - The fuel supply system on a jet engine includes a fuel heating device, upstream of the main fuel filter so as to:
95 - AC generators operated in parallel must have the same:
96 - The purpose of stringers, used in fuselage construction, is to:
97 - 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.
98 - On an aircraft provided with resistance and capacitance variation type fire detection loops, a fire alarm is initiated by a temperature increase detected:
99 - The term 'pressure cabin' applies when an aeroplane:
100 - The true statement among the following in relation to the application of Ohm's law is:
101 - 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:
102 - The so-called 'hot buses' or 'direct buses' are:
103 - Below its design speed an axial compressor:
104 - The replenishment of an onboard oxygen bottle must be done:
105 - 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:
106 - In very cold weather, the pilot notices during startup, a slightly higher than normal oil pressure.This higher pressure:
107 - A gaseous sensor/responder tube fire sensor is tested by
108 - Engine bleed air used for air conditioning and pressurization in turbo-jet aeroplanes is usually taken from the:
109 - In a compressor stage of a jet engine, the sequence is:
110 - If an engine fails to stop with the magneto switch in OFF position, the cause may be:
111 - An aeroplane whose maximum approved passenger seating configuration is 201 to 300 seats must be equipped with at least:
112 - The advantages of alternating current on board an aircraft are:1. simple connection2. high starting torque3. flexibility in use4. lighter weight of equipment5. easy to convert into direct current6. easy maintenance of machinesThe combination of correct statements is:
113 - A cable operated flight control system can be equipped with external gust locks.
114 - Prolonged running at low rpm can have an adverse effect on the functioning of the:
115 - A relay is:
116 - The octane rating of a fuel and compression ratio of a piston engine have which of the following relations?
117 - An engine pressure ratio (EPR) can be defined as the ratio of:
118 - The Ram Air Turbine (RAT) provides emergency hydraulic power for:
119 - A 'hung start' is the failure of an engine to accelerate to its normal idle speed. It may be caused by:
120 - Which of the following statements, relating to the application of Ohm's Law, is the most correct?
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