Skip to content

Exam simulation Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license

Exam simulation ATPL Aircraft General Knowledge - Instrumentation 120 questions on 120 minutes

1 - During deceleration following a landing in a southerly direction, a magnetic compass made for the northern hemisphere indicates:
2 - The altitude alerting system:
3 - Absolute pressure is:
4 - An air data computer 1. supplies the ground speed and the drift (angle) 2. determines the total temperature and the true altitude 3. receives the static pressure and the total pressure 4. supplies the true airspeed to the inertial unit 5. determines the Mach number, the outside (static) air temperature. The combination regrouping all the correct statements is:
5 - The altimeter of your aircraft indicates 11000 ft with a subscale-setting of 1013,25 mb. QNH is 1023 hPa. OAT is +3°C. The pressure altitude of the aircraft is:
6 - If an EPR is set at a constant barometric pressure, with an increasing OAT, the thrust
7 - The response time of a vertical speed detector may be decreased by adding a:
8 - The CVR (Cockpit Voice Recorder) includes: 1. a microphone 2. a recorder in compliance with the shock and fire resistance standards 3. an independent battery 4. a flight data recorder. The combination regrouping all the correct statements is:
9 - When, in flight, the needle of a needle-and-ball indicator is on the right and the ball on the left, the aircraft is:
10 - The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
11 - A "Bourdon tube" is used in:
12 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
13 - TCAS II (Traffic Collision Avoidance System) uses for its operation:
14 - Below the tropopause, when descending at constant CAS:
15 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
16 - Iron and brass are commonly used in bimetallic thermometers, because:
17 - Given: Pt = total pressure Ps = static pressure Dynamic pressure is:
18 - Which of the statements about computer architecture are correct or incorrect? 1) The software part includes the programs that make up the operating system (OS). 2) The hardware part includes the physical components of the computer.
19 - The QNH is by definition the value of the:
20 - On the ground, during a left turn, the turn indicator indicates:
21 - To indicate a temperature, a thermocouple requires:
22 - If the pilot increases the reference pressure using the sub-scale setting knob, the altitude indicated by the altimeter:
23 - For the same TAS, when pressure altitude increases below the tropopause:
24 - When being engaged, and without selecting a particular mode, an automatic pilot enables:
25 - A thermocouple type thermometer consists of:
26 - The operating frequency range of a low altitude radio altimeter is:
27 - Given: Pt: total pressure, Ps: static pressure, Pd: dynamic pressure. The altimeter is fed by:
28 - The spin axis of the turn indicator gyroscope is parallel to the:
29 - If OAT increases when at a constant TAS:
30 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a proximate traffic is represented by:
31 - The upper antenna of the TCAS II is:
32 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
33 - The gauge indicating the quantity of fuel measured by a capacity gauging system can be graduated directly in weight units because the dielectric constant of fuel is:
34 - The velocity maximum operating (VMO) is a speed expressed in:
35 - During the approach, the radio altimeter indicates 950 ft. This is:
36 - On a modern aircraft, the flight director modes are displayed on the:
37 - When an aircraft has turned 90 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
38 - The principle of the Mach indicator is based on the computation of the ratio:
39 - When turning into a desired radial, FD bars indicate:
40 - The principle of the TCAS (Traffic Collision Avoidance Systems) is based on the use of:
41 - When, in flight, the needle and ball of a needle-and-ball indicator are on the right, the aircraft is:
42 - In the event of a conflict, the TCAS II (Traffic Collision alert and Avoidance System) presents warnings to the crew such as:
43 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS II (Traffic Collision Avoidance System) generates a:
44 - The Ground Proximity Warning System (GPWS) generates the following sound signal or signals when the aircraft is sinking after a take-off or a go-around:
45 - At 50 feet AGL during an auto-land, what happens to the glideslope signal?
46 - Due to the rotation of the Earth, the apparent drift of a horizontal free gyroscope at a latitude of 45°N is:
47 - The range of a low altitude radio altimeter is:
48 - The indication of a fuel float gauge varies with: 1 - pitch attitude 2 - accelerations 3 - fuel temperature. The combination that regroups all of the correct statements is:
49 - The vertical speed indicator (VSI) is fed by:
50 - For the same TAS, when pressure altitude decreases below the tropopause:
51 - When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a:
52 - The spin axis of the turn indicator gyro is aligned along the:
53 - Concerning the flight warning system (FWS), advisory messages may be:
54 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a traffic advisory (TA) is represented by:
55 - In the northern hemisphere, during the take-off run in an easterly direction, a direct reading magnetic compass indicates:
56 - The vertical command bar of a flight director:
57 - The pendulum type detector system of the directional gyro feeds:
58 - In the absence of position and instrument errors:
59 - Regarding the operating system used for an on-board documentation (charts and company information):
60 - When climbing at a constant CAS in a standard atmosphere:
61 - During the ground run take-off phase, the auto-throttles allow to:
62 - In computer technology, an EPROM: 1) is a read-only memory 2) is a write memory 3) erases its content when power supply is cut off 4) keeps its content when power supply is cut off. The combination re-grouping all the correct statements is:
63 - Torque can be determined by measuring the computed:
64 - On the ground, during a right turn, the turn indicator indicates:
65 - Hard iron magnetism in aircraft may be caused by:
66 - Concerning the TCAS (Traffic Collision Avoidance System):
67 - The pressure altitude is the altitude corresponding:
68 - Lights indicating the possible need for future corrective action must be:
69 - In order to know in which mode the auto-throttles are engaged, the crew will check the:
70 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
71 - A temperature sensor has a recovery factor of 0,95. The temperature measured is equal to:
72 - A ground proximity warning system (GPWS), when mandatory installed on board an aircraft, must in all cases generate:
73 - The 'Bourdon tube' is used to measure:
74 - When climbing at a constant Mach number:
75 - The parameter that determines the relationship between EAS and TAS is:
76 - The aircraft radio equipment which emits on a frequency of 4400 MHz is the:
77 - The block diagram of an auto-pilot is shown in the annex. For each control channel (pitch, roll and yaw) the piloting law is the relationship between the deflection of the control surface commanded by the computer (BETA c) and the:
question inst1.webp
78 - An aneroid capsule: 1 - measures differential pressure 2 - measures absolute pressure 3 - is used for low pressure measurement 4 - is used for very high pressure measurement. The combination regrouping all the correct statements is:
79 - During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true:
80 - In an auto-pilot slaved powered control circuit, the system which ensures synchronisation:
81 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a resolution advisory (RA) is represented by:
82 - In an autopilot system, the basic stabilisation modes are: 1) Altitude hold. 2) Pitch attitude hold. 3) Roll attitude hold. 4) IAS hold. The combination regrouping all the correct statements is:
83 - The fields affecting a magnetic compass originate from: 1. magnetic masses 2. ferrous metal masses 3. non ferrous metal masses 4. electrical currents. The combination regrouping all the correct statements is:
84 - If the GPWS (Ground Proximity Warning System) activates, and alerts the pilot with an aural warning 'DON'T SINK' (twice), it is because:
85 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
86 - At a given altitude, the hysteresis error of an altimeter varies substantially with the:
87 - Given: - Ts the static temperature (SAT)- Tt the total temperature (TAT)- Kr the recovery coefficient- M the Mach numberThe total temperature can be expressed approximately by the formula:
88 - The measurement of the turbine temperature or of the EGT is carried out at the:
89 - Among the systematic errors of the 'directional gyro', the error due to the earth rotation make the north reference turn in the horizontal plane. At a mean latitude of 45°N, this reference turns by...
90 - VNO is the maximum speed:
91 - A Stand-by-horizon or emergency attitude indicator:
92 - A "close traffic advisory" is displayed on the display device of the TCAS II (Traffic Collision Avoidance System) by:
93 - Electrical requirements for an alumel/chromel indicating system are:
94 - When flying in cold air (colder than standard atmosphere), the altimeter will:
95 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
96 - The TCAS II (Traffic Collision Avoidance System) gives avoidance resolutions:
97 - The operating principle of the vertical speed indicator (VSI) is based on the measurement of the rate of change of:
98 - When engaged in the lateral navigation mode (LNAV) the autopilot uses:
99 - Given: E = electromotive force (emf), Tc = cold junction temperature, Th = hot junction temperature, K = constant. The relationship that applies to a thermocouple is:
100 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail...
101 - Calibrated Air Speed (CAS) is obtained from Indicated Air Speed (IAS) by correcting for the:
102 - VNE is the maximum speed:
103 - The mach number is the:
104 - The most common sensors interfacing a FMS to compute the aircraft position along the flight plan are: 1- MLS, 2- GPS, 3- VOR, 4- IRS. The combination which regroups all of the correct statements is:
105 - A three-phase electrical tachometer consists of:
106 - Compared with a conventional gyro, a laser gyro:
107 - A VMO-MMO warning device consists of an alarm connected to:
108 - Magnetic compass errors are:
109 - At flight level and mach number constant, if OAT decreases, the CAS:
110 - The purpose of an aeroplane automatic trim system is to trim out the hinge moment of the:
111 - The operation of the GPWS (Ground Proximity Warning System) is governed by laws taking the aircraft height into account as well as: 1 - the descent rate 2 - the climb rate 3 - the aircraft configuration 4 - the selected engine rpm. The combination regrouping all the correct statements is:
112 - A ring laser gyro can measure:
113 - Considering a stabilised platform inertial system: 1) The rate gyros and the accelerometers are mounted on the same platform. 2) The rate gyros and the accelerometers are mounted on two separated platforms. 3) The principle of operation requires at least 2 rate gyros. 4) The principle of operation requires at least 2 accelerometers. The combination that regroups all of the correct statements is:
114 - Concerning the directional gyro indicator, the latitude at which the apparent wander is equal to 0 is:
115 - The Ground Proximity Warning System (GPWS) is a system working according to a height span ranging from:
116 - During deceleration following a landing in an easterly direction, a magnetic compass made for the southern hemisphere indicates:
117 - When, in flight, the needle of a needle-and-ball indicator is on the left and the ball on the right, the aircraft is:
118 - If an aircraft is flying (with flaps and landing gear retracted) in proximity to terrain and its GPWS (Ground Proximity Warning System) gets activated, because it is detecting that the aeroplane has an excessive rate of descent, the system provides the following aural warning signals:
119 - The unit used to measure the capacitance of a capacitor is the:
120 - The speed of sound at the sea level in standard atmosphere is: