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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 crank assembly consists of
2 - For a given type of oil, the oil viscosity depends on the:
3 - An aeroplane whose maximum approved passenger seating configuration is greater than 600 seats must be equipped with at least:
4 - What is breathed in when using a passenger oxygen mask?
5 - One design method to avoid control surface flutter is:
6 - Under EASA Air OPS Part-CAT (CAT.IDE.A.240), in a non-pressurised aeroplane, supplemental oxygen for at least 10% of the passengers is required after the first 30 minutes when the pressure altitude is:
7 - The "constant speed propeller" has:
8 - Associate the correct legend to each of the numbered diagrams:
question agk6.webp
9 - For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
10 - The principle of damage tolerance in structural design of an aircraft is based on the:
11 - The function of the selector valve is to:
12 - The function of a constant speed drive (CSD) is to ensure:
13 - A chip detector in the oil system of an engine/gearbox is to indicate that
14 - The Auxiliary Power Unit (APU) has its own AC generator that:
15 - Which of these statements about the wing structure is correct?
16 - Torsion in a wing can be caused by:
17 - Assuming cabin pressure decreases, the cabin rate of climb indicator should indicate:
18 - The purpose of cabin air flow control valves in a pressurisation system is to:
19 - In a hydraulic system, the reservoir is pressurized in order to:
20 - The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:
21 - The component that converts hydraulic pressure into linear motion is called:
22 - The main feature of BCF fire extinguishers is that they:
23 - Which of these statements about trimming in an 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.
24 - According to EASA CS-25 the worst effect of a CATASTROPHIC FAILURE on the flight crew could be:
25 - A typical anti-skid system computer uses which of the following inputs? 1. Reference wheel speed 2. Braked wheel speed 3. Brake temperature 4. Target wheel-slip rate 5. Tyre pressure
26 - What are the three elements of the fuselage structure of a large transport aeroplane?
27 - A substance which may never be used in the vicinity or on parts of an oxygen installation is:
28 - The working principle of the anti-skid system is:
29 - The difference between (1) a fuse and (2) a circuit breaker is:
30 - Trailing edge flaps:
31 - Fuel flow information for gas turbine engines is:
32 - In a fire detection system with single-loop continuous components (with no fault protection), if the line is accidentally grounded:
33 - When a turbo-prop aeroplane decelerates during the intial part of the landing roll, a constant speed propeller within the beta range:
34 - What is the name of the control surface that rotates an aeroplane about its vertical axis?
35 - In a turbo-jet, the purpose of the turbine is to...
36 - 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:
37 - Fire precautions to be observed before refuelling are:
38 - A relay is:
39 - A 3 phase AC generator has 3 separate stator windings spaced at:
40 - An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
41 - Regarding fire detection, Ion detectors are used to detect:
42 - The purpose of the contact breaker is to:
43 - The passenger oxygen mask will supply:
44 - An artificial feel unit is necessary in the pitch channel when:
45 - Where are flight spoilers fitted?
46 - The advantages of alternating current on board an aircraft are: 1. simple connection 2. high starting torque 3. flexibility in use 4. lighter weight of equipment 5. easy to convert into direct current 6. easy maintenance of machines. The combination of correct statements is:
47 - On an aeroplane, the Krueger flaps are:
48 - 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:
49 - The conditions which can cause knocking are:
50 - The expression "secondary flight control" applies to the: 1) elevator 2) speed brake 3) lift-augmentation devices 4) roll spoilers. The combination that regroups all of the correct statements is:
51 - The advantage of mounting the tailplane on top of the vertical stabilizer (a "T-tail" configuration) is:
52 - The power output of a normally aspirated piston engine increases with increasing altitude at constant Manifold Air Pressure (MAP) and RPM because of the:
53 - On many small piston-engine aeroplanes fitted with constant-speed propellers, blade pitch is changed:
54 - 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:
55 - Flutter results from two deformation modes which are:
56 - The so-called 'hot buses' or 'direct buses' are:
57 - An engine pressure ratio (EPR) gauge reading normally shows the ratio of:
58 - An aeroplane whose maximum approved passenger seating configuration is 301 to 400 seats must be equipped with at least:
59 - A SAFE LIFE aircraft structural component:
60 - In aviation, the reflection on ionosphere layers phenomenon is used in the following frequencies:
61 - According to EASA CS-25 the worst effect of a HAZARDOUS Condition on the aeroplane could be:
62 - The pitch angle of a constant-speed propeller
63 - The conditions under which you obtain the highest engine power are:
64 - The correct formula to calculate the multi-cylinder engine displacement is:
65 - 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:
66 - The primary reason for a limitation being imposed on the temperature of gas flow is to:
67 - 'Fail safe construction' is:
68 - 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) Reversible flight controls should have a gust lock.
69 - On four-stroke piston engines, the theoretical valve and ignition settings are readjusted in order to increase the:
70 - During flight, the wing anti-ice system has to protect
71 - If the control stick of an aircraft is moved forward and to the right, the left aileron will move:
72 - 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?
73 - In a commercial transport aircraft the landing gear operating system is usually:
74 - The function of the generator breaker is to close when the voltage of the:
75 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
76 - The most widely used electrical frequency in aircraft is:
77 - The inner layer of a heated windscreen is made of:
78 - 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:
79 - Fuel pumps submerged in the fuel tanks of a multi-engine aircraft are:
80 - Which of the following parts is a typical semiconductor part?
81 - Which of these statements regarding most gust lock systems is correct?
82 - Using compressor bleed air to power systems:
83 - Cockpit indications associated with a windscreen heating system usually comprise:
84 - When in flight, a piston engine is stopped and the propeller blade pitch angle is near 90°, the propeller is said to be...
85 - 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.
86 - The expression "secondary flight control" applies to the: 1) trimmable stabilizer 2) rudder 3) speed brake 4) aileron. The combination that regroups all of the correct statements is:
87 - 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:
88 - The term 'bootstrap', when used to identify a cabin air conditioning and pressurisation system, refers to the:
89 - The fuel supply system on a jet engine includes a fuel heating device, upstream of the main fuel filter so as to:
90 - What is the name of the control surface that rotates an aeroplane about its longitudinal axis?
91 - According to EASA CS-25 the worst effect of a MINOR FAILURE on the occupants of an aeroplane excluding flight crew could be:
92 - On detection of a persistent phase unbalance on an AC generator connected to the aircraft mains, with another AC generator, the protection device opens:
93 - Assuming the initiating cause is removed, which of these statements about resetting are correct or incorrect? I. A fuse is not resettable II. A circuit breaker is resettable.
94 - An engine fire in a large transport aircraft is indicated by a:
95 - The FADEC of a gas turbine engine consists of:
96 - 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:
97 - If the pressure in the cabin tends to become lower than the outside ambient air pressure the:
98 - Landing gear torque links are used to:
99 - When the AC generators are connected in parallel, the reactive loads are balanced by means of the:
100 - The operating principle of float-type carburettors is based on the:
101 - The power of a piston engine which will be measured by using a friction brake is:
102 - On the ground, the Auxiliary Power Unit (APU) can be substituted for the:
103 - Vibration sensors are used in a gas turbine engine to indicate:
104 - The main advantage of a constant speed propeller as compared to a fixed pitch propeller is a:
105 - Regarding a jet engine: 1) The maximum thrust remains constant as the pressure altitude decreases. 2) The specific fuel consumption remains constant as the pressure altitude decreases at constant TAS.
106 - Tyre 'creep' may be described as the:
107 - The tanks of a hydraulic system are pressurized:
108 - When the pilot moves the mixture lever of a piston engine towards a lean position the:
109 - The VHF direction finder uses the following wavelengths:
110 - When a persistent over-excitation fault is detected on only one AC generator, the protection device opens the:
111 - A red or an amber light on an undercarriage position indicator signifies:
112 - 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.
113 - Which of these statements about structural design principles are correct or incorrect? 1) The DAMAGE TOLERANCE principle takes cracking of the structure into account. 2) The SAFE LIFE principle is based on the replacement of parts after a given number of cycles or flight hours.
114 - Trimming of aileron and rudder in an irreversible flight control system:
115 - The rating of electrical fuses is expressed in:
116 - A FAIL SAFE airframe construction design is:
117 - The purpose of stringers, used in fuselage construction, is to:
118 - 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 unsafe. The combination regrouping all the correct statements is:
119 - The frequency of the current provided by an alternator depends on:
120 - Ice protection for propellers on many turboprop aeroplanes operates:
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