Discover our new portal: your complete exam preparation, enhanced by AI
Login Start Now
Mobile menu MENU
fallback
lingua 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 - A 'hung start' is the failure of an engine to accelerate to its normal idle speed. It may be caused by:
2 - 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.
3 - 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.
4 - If one of the 12 cells of a lead-acid battery is dead, the battery:
5 - A 'fan' stage of a ducted-fan turbine engine is driven by:
6 - A cantilever wing is:
7 - To achieve control flutter damping the balance mass must be located:
8 - Vibration sensors are used in a gas turbine engine to indicate:
9 - An engine pressure ratio (EPR) can be defined as the ratio of:
10 - The very rapid magnetic field changes (flux) around the primary coil in a magneto are accomplished by the:
11 - 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:
12 - 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 conditions The combination which regroups all of the correct statements is:
13 - Cockpit indications associated with a windscreen heating system usually comprise:
14 - In flight, the most commonly used anti-icing method for the wings of modern commercial aircraft fitted with turbo-jet units is: 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
15 - What is the purpose of inboard ailerons?
16 - Load shedding means ..
17 - On what principle does a fuel flow meter work?
18 - The Instrument Landing System (ILS) uses the following wavelengths:
19 - Oil consumption is mainly due to
20 - 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.
21 - 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 potentia The combination regrouping all the correct statements is:
22 - 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:
23 - The range of movement of a control surface is limited by:
24 - The oil system for a piston engine incorporates an oil cooler that is fitted:
25 - Over-tensioned cables in a flight control system could result in:
26 - The purpose of static wick dischargers is to:
27 - In the axial flow compressor of a turbo-jet engine, the flow duct is tapered. Its shape is calculated so as to:
28 - Which of these statements about structural design principles are correct or incorrect? 1) The DAMAGE TOLERANCE principle assumes cracks in the structure will never occur. 2) The SAFE LIFE principle is based on the replacement of parts after a given number of cycles or flight hours.
29 - The resistors R1 and R2 are connected in parallel. The value of the equivalent resistance (Req) so obtained is given by the following formula:
30 - On an aircraft provided with resistance and capacitance variation type fire detection loops, a fire alarm is initiated by a temperature increase detected:
31 - The modern anti-skid processes are based on the use of a computer whose input data is: 1. idle wheel speed (measured)2. braked wheel speed (measured)3. brake temperature (measured)4. desired idle wheel train slipping rate5. tire pressur The combination regrouping all the correct statements is:
32 - A flight control surface actuator is said to be "reversible" when:
33 - What can be the consequence during a descent with a fully open throttle if the waste gate is seized ?
34 - Consider the flight deck oxygen supply system. The purpose of the oxygen regulator (as a function of demand and altitude) is to: 1. decrease oxygen pressure from 1800 PSI (in the bottles) down to about 50-75 PSI (low pressure system) 2. supply pure oxygen 3. supply diluted oxygen 4. supply oxygen at normal pressure 5. supply oxygen at emergency/positive pressure 6. trigger the continuous cabin altitude warning at 10000 ft cabin altitude The combination regrouping all the correct statements is:
35 - Parameters to monitor a hydraulic system in the cockpit can be:
36 - Fuel/air ratio is the ratio between the:
37 - When two DC generators are operating in parallel, control of load sharing is achieved by:
38 - According EASA CS the allowable average failure probability per flight hour for a MINOR FAILURE should be in the order of:
39 - An AC generator driven by a CSD unit:
40 - The diffuser in a centrifugal compressor is a device in which the:
41 - An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
42 - Modern pressurized transport airplanes are equipped with:
43 - The advantages of fly-by-wire control are 1. reduction of the electric and hydraulic power required to operate the control surfaces2. lesser sensitivity to lightning strike3. direct and indirect weight saving through simplification of systems4. immunity to different interfering signals5. improvement of piloting quality throughout the flight envelop The combination regrouping all the correct statements is:
44 - A semi-monocoque aircraft fuselage structure usually consists of:
45 - 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:
46 - The purpose of a chip detector in the oil system of an engine/gearbox is to indicate that:
47 - In large modern aircraft, in the air conditioning system, reduction of air temperature and pressure is achieved by:
48 - The measured output power components of a constant frequency AC system are:
49 - Tyre 'creep' may be described as the:
50 - In an aircraft electrical system where AC generators are not paralleled mounted, the changeover relay allows:
51 - Emergency extension of landing gear systems can be performed:1. with compressed C02.2. with compressed nitrogen.3. with compressed oxygen.4. by mechanical/manual means.5. by freefall.The combination that regroups all of the correct statements is:
52 - A static converter is powered by:
53 - In computer technology, a storage peripheral is a:
54 - The pressure usually produced by the Boost Pumps (BP) of the fuel supply system of a large jet transport airplane is within the following range:
55 - Excessive priming of a piston engine should be avoided because:1. it drains the carburettor float chamber.2. the risk of engine fire.3. the risk of flooding the engine.4. it fouls the spark plugs.The combination that regroups all of the correct statements is:
56 - The wing ice protection system currently used for most large jet transport aeroplanes is a(n):
57 - A composite structural component consists of:
58 - 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:
59 - 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.
60 - The output of a generator is controlled by:
61 - The true statement among the following in relation to the application of Ohm's law is:
62 - The part of a piston engine that transforms reciprocating movement into rotary motion is termed the:
63 - 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:
64 - Immediately after starting engine(s) with no other electrical services switched on, an ammeter is showing a high charge rate to the battery:
65 - In a commercial transport aircraft the landing gear operating system is usually:
66 - The fuel-oil heat exchanger:
67 - Halon is used as a fire extinguishing agent because it:
68 - 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:
69 - A gaseous sensor/responder tube fire sensor is tested by
70 - Windshield heating of a transport aeroplane is
71 - A magnetic circuit-breaker is:
72 - If two constant frequency AC generators are operating independently, then the phase relation between both generators:
73 - A red or an amber light on an undercarriage position indicator signifies:
74 - For take-off, the correct combination of propeller pitch ( 1), and propeller lever position ( 2) at brake release is:
75 - 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 potentia The combination regrouping all the correct statements is:
76 - In a compensated capacitance type quantity indicating system, the contents gauge of a half- full fuel tank indicates a fuel mass of 8000 lIf a temperature rise increased the volume of fuel by 5%, the indicated fuel weight would:
77 - The function of a constant speed drive (CSD) in an AC generating system is to:
78 - What will happen to the geometrical pitch angle of a 'constant speed propeller' if the manifold pressure is increased ?
79 - On a transport type aircraft the fuel tank system is vented through:
80 - The purpose of the barometric correction in a fuel controller is to:
81 - 'Vapour lock' is the phenomenon by which:
82 - If the pressure in the cabin tends to become lower than the outside ambient air pressure the:
83 - When a battery is almost fully discharged there is a tendency for the:
84 - In a compensated capacitance type quantity indicating system, the contents gauge of a half- full fuel tank indicates a fuel mass of 8.000 kg. If a temperature rise increased the volume of fuel by 5%, the indicated fuel weight would:
85 - The trim tab:
86 - The fuel supply system on a jet engine includes a fuel heating device, upstream of the main fuel filter so as to:
87 - The primary purpose of a supercharger is to:
88 - When operating two AC generators unparalleled, the phase relationship of each generator:
89 - The crash/fire axe is part of the safety equipment fitted to passenger aircraft. Its function is to
90 - The term 'pressure cabin' applies when an aeroplane:
91 - What are the three elements of the fuselage structure of a large transport aeroplane?
92 - In addition to energy storage, the accumulator of the hydraulic system is used:
93 - On a multi-engined aircraft a fire detection system includes:
94 - Because of the input/output relationship of an OR gate, it is often referred to as the:
95 - 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:
96 - The fuselage of an aircraft consists, among others, of stringers whose purpose is to:
97 - By-pass turbine engines are mainly used in commercial aviation, because:
98 - A substance which may never be used in the vicinity or on parts of an oxygen installation is:
99 - Electrically powered ice protection devices on aircraft are:
100 - When applying carburettor heating:
101 - The viscosity of a hydraulic fluid should be:
102 - The purpose of an accumulator in a hydraulic system is:
103 - The correct formula to calculate the multi-cylinder engine displacement is:
104 - A diluter demand oxygen regulator:
105 - Engine bleed air used for air conditioning and pressurization in turbo-jet aeroplanes is usually taken from the:
106 - Which of these statements about a gust lock system are correct or incorrect? 1) There should be suitable design precautions to prevent flight with the gust lock engaged. 2) There is no need for a gust lock on reversible flight controls.
107 - The purpose of the primary stops in a flying control system is to:
108 - An engine fire in a large transport aircraft is indicated by a:
109 - 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.
110 - Aircraft is descending in straight flight with the spoilers deployed. If a pilot initiates a descending turn to the left the:
111 - In a free turbine engine:
112 - 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:
113 - A thermal circuit breaker:
114 - Vents in oil tanks are primarily to
115 - The reason for using inverters in an electrical system is:
116 - The purpose of a compressor bleed valve is to prevent surging:
117 - The fuel tanks of aircrafts must be checked for water
118 - A torsion link assembly is installed on the landing gear to:
119 - Why is the artificial feel required on some flight control systems and how is the degree of the feel set?
120 - 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:
Change Subject New Test
Download mobile apps
Download mobile apps
Subscribe to Newsletter
Sign up, it's free

QuizVds.it - Facebook - Contact Us - Donation - Cookie Policy - Privacy Policy - Terms and Conditions - Partner