Discover our new portal: your complete exam preparation, enhanced by AI
Login Start Now
Mobile menu MENU
fallback
EN angle-down

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

Change Subject New Test
1 - One of the purposes of compressor bleed valves is to:
2 - 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:
3 - According to EASA CS the allowable quantitative average failure probability per flight hour for a HAZARDOUS FAILURE should be on the order of:
4 - Creep of turbine blades is caused by:
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 reason for fitting thermal plugs to aircraft wheels is that they:
7 - On four-stroke piston engines, the theoretical valve and ignition settings are readjusted in order to increase the:
8 - For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:
9 - When air is compressed for pressurization purposes, the percentage oxygen content is:
10 - What is (are) the damping element(s) in a landing gear shock absorber used on larger aircraft?
11 - 'Frequency wild' in relation to a AC generation system means the generator:
12 - 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:
13 - 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 The combination regrouping all the correct statements is:
14 - The purpose of a diluter demand regulator in an oxygen system is to:
15 - The operating principle of float-type carburettors is based on the:
16 - The purpose of the primary stops in a flying control system is to:
17 - Smoke detectors fitted on transport aircraft are of the following type:
18 - Cabin pressure is controlled by:
19 - In a gas turbine engine lubrication system fitted with an oil to fuel heat exchanger the:
20 - The working principle of the anti-skid system is:
21 - In a hydraulic system, the reservoir is pressurized in order to:
22 - The purpose of static wick dischargers is to:
23 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
24 - In computer technology, an output peripheral is a:
25 - The Low Altitude Radio Altimeter uses the following wavelengths:
26 - If an engine fails to stop with the magneto switch in OFF position, the cause may be:
27 - Cabin differential pressure means the pressure difference between:
28 - 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:
question agk3.webp
29 - A "trip-free" type circuit breaker is a circuit protection device which:
30 - If an artificial feel unit is fitted, it would be connected:
31 - The correct order of decreasing freezing points of the three mentioned fuels is:
32 - The excess cabin altitude alerting system must operate to warn the crew at:
33 - A composite structural component consists of:
34 - It may be determined that an aircraft is not properly bonded if:
35 - The voltage regulator of a DC generator is connected in:
36 - The type of windings commonly used in DC starter motors are:
37 - The advantages of thermal anti-icing are: 1. Simple and reliable system 2. Profiles maintained 3. Greater efficiency than that of an electrical resistor 4. Direct use of the hot air from the jet engine without substantial reduction in engine thrust. The combination of correct statements is:
38 - Oil consumption is mainly due to
39 - Which statement is correct? 1) The freezing point for Jet A is at a lower temperature than that for Jet B. 2) The flash point for Jet A is at a higher temperature than that for Jet B.
40 - On a large transport aeroplane, the auto-slat system:
41 - In a bootstrap cooling system the supply air is first:
42 - In a steep turn to the left, when using flight spoilers for roll assistance and at the same time for reducing the airspeed:
43 - In flight, if the Constant Speed Drive (CSD) temperature indicator is in the red arc the:
44 - In computer technology, an input peripheral is a:
45 - A bus-bar is:
46 - The most widely used electrical frequency in aircraft is:
47 - The principle of aeroplane propulsion is to generate a propelling force by:
48 - An accumulator in a hydraulic system will:
49 - According to EASA CS-25 the worst effect of a HAZARDOUS Condition on the aeroplane could be:
50 - To reduce the risk of tyre burst due to overheating, for example after heavy braking during a rejected take-off, aircraft wheels may be fitted with:
51 - Under normal running conditions a magneto draws primary current:
52 - On an aeroplane, spoilers are:
53 - The fuel tanks of aircrafts must be checked for water
54 - A primary stop is mounted on an elevator control system in order to:
55 - Automatic temperature control of the system as shown, would be accomplished by:
56 - The function of a constant speed drive (CSD) in an AC generating system is to:
57 - The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:
58 - 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:
59 - An artificial feel system:
60 - Engine temperature limitations of a gas turbine engine are usually imposed due to temperature limitations on the:
61 - The capacity of a battery is the:
62 - The heating facility for the windshield of an aircraft is:
63 - When increasing true airspeed with a constant engine RPM, the angle of attack of a fixed pitch propeller:
64 - 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 potential. The combination regrouping all the correct statements is:
65 - A structure in which the skin takes all of the load is:
66 - What is breathed in when using a passenger oxygen mask?
67 - On transport aeroplanes, cockpit windows are normally protected against icing by:
68 - Pressurised transport aeroplanes are generally equipped with:
69 - For a turbine engine, the self-sustaining speed relates to the minimum RPM at which the engine:
70 - 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.
71 - The application of carburettor heat reduces
72 - A volumetric top off valve on small aircraft typically works on the principle of:
73 - The speed of an asynchronous four-pole motor fed at a frequency of 400 Hertz is:
74 - The automatic fuelling shut off valve:
75 - The frequency which corresponds to a wavelength of 12 cm is:
76 - 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:
77 - A substance which may never be used in the vicinity or on parts of an oxygen installation is:
78 - The resistors R1 and R2 are connected in parallel. The value of the equivalent resistance (Req) so obtained is given by the following formula:
79 - The minimum airborne equipment required for operation of the VHF direction finder is a:
80 - The use of a hot air wing anti-icing system:
81 - 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:
82 - With which instrument(s) do you monitor the power output of an aeroplane fitted with a fixed pitch propeller?
83 - The replenishment of an onboard oxygen bottle must be done:
84 - Concerning electrically powered thermal ice-protection devices, the only correct statement is:
85 - A red or an amber light on an undercarriage position indicator signifies:
86 - The viscosity of a hydraulic fluid should be:
87 - If the cabin altitude rises (aircraft in level flight), the differential pressure:
88 - 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.
89 - Cabin air for CS-25 aeroplanes is usually taken from:
90 - The power output of a normally aspirated piston engine increases with increasing altitude at constant Manifold Air Pressure (MAP) and RPM because of the:
91 - The reason for the fact that an aeroplane designed for long distances cannot simply be used for short haul flights at higher frequencies is that
92 - When the door operation of a transport aeroplane equipped with evacuation slides in the armed position is opened from the outside, the slide:
93 - A cable operated flight control system can be equipped with external gust locks.
94 - 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:
95 - 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:
96 - When a continuous loop wire type fire detection system is tested:
97 - A propeller blade is twisted, so as to
98 - The type of hydraulic fluid which has the greatest resistance to cavitation is:
99 - A SANDWICH structural part is:
100 - The fan in a high by-pass ratio turbo-jet engine produces:
101 - When operating two AC generators unparalleled, the phase relationship of each generator:
102 - The fuel system boost pumps are used to:
103 - With respect to a piston engine aircraft, ice in the carburettor:
104 - In a steep turn to the left, when using spoilers...
105 - Ignition systems of piston engines are:
106 - VLO is the maximum:
107 - When a conductor cuts the flux of a magnetic field:
108 - Evacuation slide inflation is ensured by:
109 - For most large aeroplanes, spoilers are:
110 - Which is the correct statement regarding a large aircraft fitted with both inboard and outboard ailerons?
111 - Which statement is correct concerning the effect of the application of carburettor heat?
112 - The purpose of a compressor bleed valve is to prevent surging:
113 - On an aircraft, the Krueger flap is a:
114 - The engine pressure ratio (EPR) is the ratio of:
115 - The hydraulic device similar to an electronic diode is a:
116 - On what principle does a fuel flow meter work?
117 - The maximum differential pressure of a transonic transport category aeroplane is approximately:
118 - Batteries are rated in:
119 - Which of these statements regarding most gust lock systems is correct?
120 - In a hydraulic system the master cylinder's inner area is 10 mm2, and the actuator cylinder's inner area is 100 mm2. If you press the master cylinder by 2 cm using a 100 N force, the actuator cylinder will move:
PRO
★★★★★ 4,8/5
Quizvds PRO
All Questions Included
Start Now
Subscribe to Newsletter
Sign up, it's free
Download mobile apps
Download mobile apps
© 2026 EGWeb di Guatta Mattia - VAT: 04768540983