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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 - On an aircraft provided with resistance and capacitance variation type fire detection loops, a fire alarm is initiated by a temperature increase detected:
2 - With respect to a piston engine aircraft, ice in the carburettor:
3 - In jet aeroplanes the 'thermal anti-ice system' is primarily supplied by
4 - According EASA CS the worst effect of a HAZARDOUS FAILURE on the flight crew could be:
5 - The inner layer of a heated windscreen is made of:
6 - If one of the 12 cells of a Lead-acid battery has a broken connection rendering it inoperable, the battery:
7 - The function of a NOT logic gate within a circuit is to:
8 - An artificial feel system:
9 - If the maximum operating altitude of an airplane is limited by the pressurized cabin, this limitation is due to the maximum:
10 - The power of a piston engine decreases during a climb with a constant power lever setting because of the decreasing:
11 - According EASA CS25 the worst effect of a HAZARDOUS Condition on the aeroplane could be:
12 - The cabin rate of descent:
13 - Vents in oil tanks are primarily to
14 - When increasing true airspeed with a constant engine RPM, the angle of attack of a fixed pitch propeller:
15 - For a given type of oil, the oil viscosity depends on the:
16 - If one of the 12 cells of a lead-acid battery is dead, the battery:
17 - According JAR CS / EASA CS the worst effect of a MAJOR FAILURE on the aeroplane could be:
18 - On a multi-engined aircraft a fire detection system includes:
19 - With engine fire alarm activated, the extinguisher discharge:
20 - The compressor surge effect during acceleration is prevented by the:
21 - The very rapid magnetic field changes (flux) around the primary coil in a magneto are accomplished by the:
22 - VLO is the maximum:
23 - When the door operation of a transport airplane equipped with evacuation slides is controlled from the outside, the slide:
24 - A condenser in parallel with breaker points will:
25 - Load shedding means:
26 - An aeroplane equipped with fully powered flight controls (irreversible type):
27 - 'Frequency wild' in relation to a AC generation system means the generator:
28 - 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 rate 5. tire pressure The combination regrouping all the correct statements is:
29 - AC generators operated in parallel must have the same:
30 - 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.
31 - Cabin air for CS 25 aeroplanes is usually taken from:
32 - A single action actuator:
33 - In an aircraft electrical system where AC generators are not paralleled mounted, the changeover relay allows:
34 - Fire precautions to be observed before refuelling are:
35 - For most large aeroplanes, spoilers are:
36 - 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
37 - A structure in which the skin takes all of the load is:
38 - The function of a fusible plug is to
39 - 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:
40 - The kind of compressor normally used as a supercharger is:
41 - The purpose of the 'Pressure Relief Valve' in a high pressure oxygen system is to:
42 - The correct order of decreasing freezing points of the three mentioned fuels is:
43 - The air in a piston engine turbo-supercharger centrifugal compressor:
44 - Pre-ignition refers to the condition that may arise when:
45 - Pneumatic mechanical ice protection systems are mainly used for:
46 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
47 - Under normal running conditions a magneto draws primary current:
48 - The torque of an aeroplane engine can be measured at the:
49 - Large transport aeroplane hydraulic systems usually operate with a system pressure of approximately:
50 - The replenishment of an onboard oxygen bottle must be done:
51 - A magnetic circuit-breaker is:
52 - 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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53 - 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:
54 - Windshield heating of a transport aeroplane is:
55 - 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:
56 - The pilot may be prevented from retracting the landing gear whilst the aircraft is on the ground by:
57 - The octane rating of a fuel and compression ratio of a piston engine have which of the following relations?
58 - The logic symbol shown represents (assuming positive logic):
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59 - Alternating current can be derived from direct current by:
60 - Which statement is correct concerning the effect of the application of carburettor heat?
61 - Where are flight spoilers fitted?
62 - The minimum airborne equipment required for operation of a the VHF direction finder is a:
63 - 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:
64 - Which of these statements about the wing structure is correct?
65 - In a bootstrap cooling system the supply air is first:
66 - Load shedding means ..
67 - When air is compressed for pressurization purposes, the percentage oxygen content is:
68 - The resistors R1 and R2 are connected in parallel. The value of the equivalent resistance (Req) so obtained is given by the following formula:
69 - For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
70 - The advantage of mounting the tailplane on top of the vertical stabilizer (a "T-tail" configuration) is:
71 - The Auxiliary Power Unit (APU) has its own AC generator that:
72 - Regarding the oxygen system of a CS 25 aeroplane:
73 - According to EASA CS the allowable average failure probability per flight hour probability for a MAJOR FAILURE should be on the order of:
74 - 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.
75 - 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
76 - A primary stop is mounted on an elevator control system in order to:
77 - According EASA CS25 the worst effect of a MINOR FAILURE on the occupants of an aeroplane excluding flight crew could be:
78 - In a cabin air conditioning system, equipped with a bootstrap, the mass air flow is routed via the:
79 - When an 'open circuit' occurs in an electrical supply system, the:
80 - 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.
81 - 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:
82 - To ensure correct load sharing between AC generators operating in parallel:
83 - Dual ignition provides a factor of reliability and:
84 - On detection of a persistent overvoltage fault on an AC generator connected to the aircraft AC busbars (paralleled bus system), the on-board protection device opens:
85 - The primary purpose of the bleed valves fitted to axial flow compressors is to:
86 - A 'Zener' diode is used for:
87 - What is the load in the upper respectively lower girder of a spar of a cantilever wing during straight and level flight?
88 - When the door operation of a transport airplane equipped with evacuation slides in the armed position is opened from the outside, the slide:
89 - The primary purpose of a supercharger is to:
90 - 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:
91 - 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:
92 - The Instrument Landing System (ILS) uses the following wavelengths:
93 - Relationships between the force, pressure and area is:
94 - According EASA CS the worst effect of a HAZARDOUS FAILURE on the occupants of an aeroplane excluding flight crew could be:
95 - In computer technology, an output peripheral is a:
96 - What is the name of the control surface that rotates an aeroplane about its vertical axis?
97 - A 'fan' stage of a ducted-fan turbine engine is driven by:
98 - The essential difference between aircraft AC alternators and DC generators (dynamos) is that the:
99 - On a modern aeroplane, to avoid the risk of tyre burst from overheating, due for example to prolonged braking during an aborted take-off, there is:
100 - During a power change on an engine equipped with a constant speed propeller, a wrong combination of manifold pressure and RPM values results in excessive pressures in the cylinders. This is the case when one simultaneously selects a ...
101 - Which controls act together in a V-tail aircraft?
102 - The true statement among the following in relation to the application of Ohm's law is:
103 - The function of the selector valve is to:
104 - A cantilever wing is:
105 - An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
106 - 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.
107 - When the combustion gases pass through a turbine the:
108 - On an aircraft, the Krueger flap is a:
109 - 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.
110 - The reason for having a low pressure fuel-cooled oil cooler in a recirculatory type oil system is to:
111 - The correct formula to calculate the multi-cylinder engine displacement is:
112 - The chemical oxygen generator supplies oxygen for about:
113 - The frequency of the current provided by an alternator depends on:
114 - The excess cabin altitude alerting system must operate to warn the crew at:
115 - In a multi-spool turbofan engine, the fan is driven by:
116 - Consider a jet engine whose control is based on the Engine Pressure Ratio (EPR) 1. with a constant EPR, the thrust decreases when the altitude increases 2. with a constant EPR, the thrust is independent of the Mach number 3. At same environmental conditions, a given EPR setting maintains the thrust irrespective of engine wear due to ageing. 4. the EPR is determined by the impact pressure difference between the turbine outlet and the compressor inlet 5. on take-off, in the event of icing not detected by the crew, the indicated EPR is lower than the real EPR The combination regrouping all the correct statements is:
117 - The power output of a normally aspirated piston engine increases with increasing altitude at constant Manifold Air Pressure (MAP) and RPM because of the:
118 - With regard to the pneumatic mechanical devices which afford protection against the formation of ice, the only correct statement is:
119 - 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:
120 - According to EASA CS the allowable quantitative average failure probability per flight hour for a HAZARDOUS FAILURE should be on the order of:
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