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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 - When a persistent over-excitation fault is detected on only one AC generator, the protection device opens the:
2 - The oil system for a piston engine incorporates an oil cooler that is fitted:
3 - The VHF direction finder uses the following wavelengths:
4 - A pilot can determine the amount of oxygen in a bottle by observing its:
5 - According JAR CS / EASA CS the worst effect of a MINOR FAILURE on the aeroplane could be:
6 - Usually, in conductive materials:
7 - A volumetric top off valve on small aircraft typically works on the principle of:
8 - 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:
9 - Which of these statements about a gust lock system are correct or incorrect? 1) There is no need for a gust lock on irreversible flight controls. 2) Manual flight controls should have a gust lock.
10 - The reason for having a low pressure fuel-cooled oil cooler in a recirculatory type oil system is to:
11 - 'Vapour lock' is the phenomenon by which:
12 - Pneumatic mechanical devices that provide ice protection:
13 - The primary purpose of a supercharger is to:
14 - Why is the artificial feel required on some flight control systems and how is the degree of the feel set?
15 - According EASA CS25 the worst effect of a MINOR FAILURE on the occupants of an aeroplane excluding flight crew could be:
16 - Environmental system: in the air refrigeration unit, the water separation unit is placed:
17 - Flutter results from two deformation modes which are:
18 - Define the term "FATIGUE":
19 - 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:
20 - 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.
21 - 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.
22 - Evacuation slide inflation is ensured by:
23 - 'Fail safe construction' is:
24 - What is the purpose of the pack cooling fans in the air conditioning system?
25 - A stage in an axial compressor:
26 - The capacity of a battery is expressed in terms of:
27 - Torsion in a wing can be caused by:
28 - In addition to energy storage, the accumulator of the hydraulic system is used:
29 - The thrust reversers of jet engines may use clamshell doors in order to:
30 - The type of gate which requires all conditions with logic 1 for engagement is:
31 - The reason for using inverters in an electrical system is:
32 - One design method to avoid control surface flutter is:
33 - Main cabin temperature is:
34 - The reason for a double switch on the elevator trim is:
35 - The reasons for disconnecting a constant speed drive (CSD) of an AC generator in flight are: 1 - low oil pressure in the CSD.2 - slight variation about the normal operating frequency. 3 - high oil temperature in the CSD.4 - excessive variation of voltage and kVAR.The combination that regroups all of the correct statements is:
36 - The part of a piston engine that transforms reciprocating movement into rotary motion is termed the:
37 - 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:
38 - Windshield heating of a transport aeroplane is
39 - The types of fuel tanks used on most modern transport aircraft are:
40 - The capacitance type fuel gauging system indicates the fuel quantity by measuring the:
41 - A static inverter is powered by:
42 - A radio signal loses strength as range from the transmitter increases, this is called:
43 - In jet aeroplanes the 'thermal anti-ice system' is primarily supplied by
44 - In a single spool gas turbine engine, the compressor RPM is:
45 - Given an aeroplane with irreversible primary flight controls, how is control maintained if one hydraulic system is lost due to a hydraulic leak?
46 - 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:
47 - 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:
48 - When a turbo-prop aeroplane decelerates during the intial part of the landing roll, a constant speed propeller within the beta range:
49 - A unit that converts electrical DC into AC is:
50 - The excess cabin altitude alerting system must operate to warn the crew at:
51 - The services connected to a supply bus-bar are normally in:
52 - An engine pressure ratio (EPR) can be defined as the ratio of:
53 - 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 rate6. which is unsafe The combination regrouping all the correct statements is:
54 - When the pilot moves the mixture lever of a piston engine towards a lean position the:
55 - Turbine blade stages may be classed as either 'impulse' or 'reaction'. In an impulse blade section:
56 - The voltage regulator of a DC generator is connected in:
57 - Which of these statements about a gust lock system are correct or incorrect? 1) There is no need for a gust lock on irreversible flight controls. 2) There is no need for a gust lock on manual flight controls.
58 - 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:
59 - A semi-monocoque aircraft fuselage structure usually consists of:
60 - On an aeroplane utilising AC as primary power supplies, the batteries are charged in flight from:
61 - In large modern aircraft, in the air conditioning system, reduction of air temperature and pressure is achieved by:
62 - 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:
63 - A primary stop is mounted on an elevator control system in order to:
64 - The advantage of mounting the tailplane on top of the vertical stabilizer (a "T-tail" configuration) is:
65 - When a part of a continuous loop fire detection system is heated 1. its resistance decreases. 2. its resistance increases. 3. the leakage current increases. 4. the leakage current decreases The combination regrouping all the correct statements is:
66 - 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:
67 - Primary flight controls are:
68 - What is breathed in when using a passenger oxygen mask?
69 - During climb with constant Manifold Air Pressure (MAP) and RPM indication and constant mixture setting, the power output of a piston engine:
70 - In a hydraulic system, the reservoir is pressurized in order to:
71 - What is the purpose of inboard ailerons?
72 - A composite structural component consists of:
73 - In order to produce an alternating voltage of 400 Hz, the number of pair of poles required in an AC generator running at 6000 rpm is:
74 - 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:
75 - The operating principle of float-type carburettors is based on the:
76 - According JAR CS/ EASA CS the worst effect of a MINOR FAILURE on the flight crew could be:
77 - A SANDWICH structural part is unsuitable for absorbing:
78 - An aeroplane equipped with fully powered flight controls (irreversible type):
79 - A 'trip-free' type circuit breaker is a circuit protection device which:
80 - Assuming cabin differential pressure has reached the required value in normal flight conditions, if flight altitude and air conditioning system setting are maintained:
81 - The resistors R1 and R2 are connected in parallel. The value of the equivalent resistance (Req) so obtained is given by the following formula:
82 - The advantage of mounting the tailplane on top of the vertical stabilizer is:
83 - The pitch angle of a constant-speed propeller
84 - 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:
85 - Some aircraft use a fly-by-wire system to move the primary flight controls. This system is based on:
86 - Generally, when the fire handle of the fire-extinguishing system on an aircraft is pulled, the effects are 1. closing of the LP valve of the fuel system 2. opening of the air bleed valves and HP valves on the engine concerned 3. setting of extinguishing systems 4. closing of the isolation and de-icing valves 5. isolation of the associated electric current generators 6. immediate discharge of extinguishing agent The combination regrouping all the correct statements is:
87 - Tyre 'creep' may be described as the:
88 - Fuel pumps submerged in the fuel tanks of a multi-engine aircraft are:
89 - Engine temperature limitations of a gas turbine engine are usually imposed due to temperature limitations on the:
90 - With which instrument(s) do you monitor the power output of an aeroplane fitted with a fixed pitch propeller?
91 - For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
92 - The purpose of the 'Pressure Relief Valve' in a high pressure oxygen system is to:
93 - On an aircraft, the Krueger flap is a:
94 - In accordance with PART-CAT, 10 % of the passengers in a non-pressurized airplane must have an oxygen supply reserve for the entire flight time when the cabin altitude pressure is greater than:
95 - Fire precautions to be observed before refuelling are:
96 - In a pressurized aircraft, the first aid (therapeutic) oxygen is designed to:
97 - 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?
98 - Regarding Ohm's law:
99 - The principle of damage tolerance in structural design of an aircraft is based on the:
100 - A pressure relief valve that does not fit on its seat properly would result in
101 - A turbofan engine with an inlet air mass flow of 1000 kg/s and a bypass mass flow of 889 kg/s has a bypass ratio of:
102 - It may be determined that an aircraft is not properly bonded if:
103 - The component that converts hydraulic pressure into linear motion is called:
104 - The purpose of the primary stops in a flying control system is to:
105 - Compared to a tyre fitted with an inner tube, a tubeless tyre presents the following characteristics 1 - high heating 2 - valve fragility3 - lower risk of bursting4 - better adjustment to wheel The combination containing all the correct statements is:
106 - 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
107 - The purpose of a distributor in an ignition system is to distribute:
108 - The conditions which can cause knocking are:
109 - A SAFE LIFE aircraft structural component:
110 - Which of these statements about composite and metal structures are correct or incorrect? 1) In a structural component with given dimensions constructed of composite materials, the strength is the same in all directions. 2) Composite materials enable structures with higher strength / weight ratio than metal structures.
111 - If an abortive start (hung start) occurs when starting a gas turbine engine, the correct action is to:
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 - 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:
114 - Below its design speed an axial compressor:
115 - Which of these statements regarding cockpit windows are correct or incorrect?I. On some aeroplanes the cockpit windows have an additional speed restriction, related to bird impact, when window heating is inoperative.II. Cockpit side windows are always provided with a de-icing system.
116 - The main purpose of a constant speed drive unit is to:
117 - The true statement among the following in relation to the application of Ohm's law is:
118 - 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:
119 - 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.
120 - When a bimetallic strip is used as a switch in a fire detection loop, a fire alarm is triggered after a delay. The purpose of this delay is to:
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