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

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

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1 - The rate-of-turn is the:
2 - The Ground Proximity Warning System (GPWS) is a system working according to a height span ranging from:
3 - The vertical speed indicator (VSI) is fed by:
4 - The gyroscope used in an attitude indicator has a spin axis which is:
5 - A pilot wishes to turn right on to a southerly heading with 20° bank at a latitude of 20° North. Using a direct reading compass, in order to achieve this he must stop the turn on an approximate heading of:
6 - The principle of capacity gauges is based on the:
7 - If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will:
8 - Heading information from the gyromagnetic compass flux gate is transmitted to the:
9 - Machmeter readings are subject to:
10 - The principle of the TCAS (Traffic Collision Avoidance Systems) is based on the use of:
11 - In the directional gyro the detection system of the local vertical feeds:
12 - In a turn at a constant angle of bank, the turn indicator reading is:
13 - For an aircraft flying a true track of 360° between the 5°S and 5°N parallels, the precession error of the directional gyro due to apparent drift is equal to:
14 - If, in the event of a failure, the approach, flare and landing can be completed by the remaining part of the automatic system, such an automatic landing system is considered as:
15 - In a steep turn, the northerly turning error on a magnetic compass on the northern hemisphere is:
16 - An aircraft in the northern hemisphere makes an accurate rate one turn to the right. If the initial heading was 330°, after 30 seconds of the turn the direct reading magnetic compass should read:
17 - The signal transmitted by a radio altimeter is:
18 - A ground proximity warning system (GPWS), when mandatory installed on board an aircraft, must in all cases generate:
19 - 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:
20 - A gravity type erector is used in a vertical gyro device to correct errors on:
21 - The density altitude is:
22 - When compared with the volumetric fuel flowmeter, the mass fuel flowmeter takes into account the fuel:
23 - When descending at a constant Mach number:
24 - 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:
25 - In the absence of position and instrument errors:
26 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
27 - An airplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
28 - An inertial reference and navigation system is a "strapdown" system when:
29 - The pendulum type detector system of the directional gyro feeds:
30 - For the same TAS, when pressure altitude decreases below the tropopause:
31 - In an inertial navigation system (INS), should the platform be displaced from the horizontal, it would oscillate with a period, called Schuler period, of about:
32 - Absolute pressure is:
33 - If an EPR is set at a constant barometric pressure, with an increasing OAT, the thrust
34 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
35 - The measurement of the turbine temperature or of the EGT is carried out at the:
36 - To indicate a temperature, a thermocouple requires:
37 - In the event of a conflict, the TCAS 2 (Traffic Collision alert and Avoidance System) presents warnings to the crew such as:
38 - The operating principle of the vertical speed indicator (VSI) is based on the measurement of the rate of change of:
39 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
40 - The apparent wander of a directional gyro is 15°/h:
41 - The elements which take part in the local vertical alignment of an inertial strap-down unit are:
42 - After having programmed your flight director, you see that the indications of your ADI (Attitude Director indicator) are as represented in diagram N°1 of the appended annex. On this instrument, the command bars indicate that you must:
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43 - 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.
44 - Equivalent Air Speed (EAS) is:
45 - A TCAS 2 (Traffic Collision Avoidance System) provides:
46 - The velocity maximum operating (V.M.O.) is a speed expressed in:
47 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
48 - Concerning the TCAS (Traffic Collision Avoidance System):
49 - If the GPWS (Ground Proximity Warning System) activates, and alerts the pilot with an aural warning 'DON'T SINK' (twice), it is because:
50 - A pilot wishes to turn left on to a southerly heading with 20° bank at a latitude of 20° North. Using a direct reading compass, in order to achieve this he must stop the turn on an approximate heading of:
51 - A synchroscope is used on aircraft to:
52 - For the same TAS, when pressure altitude increases below the tropopause:
53 - The position of a Flight Director command bars:
54 - If an aircraft is flying (with flaps and landing gear retracted) in proximity to terrain and its GPWS (Ground Proximity Warning System) get activated, because it is detecting that the aeroplane has an excessive rate of descent, the system provides the following aural warning signals:
55 - Calibrated Air Speed (CAS) is obtained from Indicated Air Speed (IAS) by correcting for the:
56 - During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true:
57 - At 50 feet AGL during an auto-land, what happens to the glideslope signal?
58 - If the outside temperature at 35 000 feet is -40°C, the local speed of sound is:
59 - Modern low altitude radio altimeters emit waves in the following frequency band:
60 - An air data computer1. supplies the ground speed and the drift (angle)2. determines the total temperature and the true altitude3. receives the static pressure and the total pressure4. supplies the true airspeed to the inertial unit5. determines the Mach number, the outside (static) air temperature The combination regrouping all the correct statements is:
61 - 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:
62 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
63 - A laser gyro can measure:
64 - The spin axis of the turn indicator gyro is aligned along the:
65 - On a TCAS2 (Traffic Collision Avoidance System), a corrective 'resolution advisory' (RA) is a 'resolution advisory':
66 - 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 rate3- the aircraft configuration 4- the selected engine rpmThe combination regrouping all the correct statements is:
67 - The QNH is by definition the value of the:
68 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
69 - Compared with a conventional gyro, a laser gyro:
70 - The data supplied by a radio altimeter:
71 - Concerning the flight warning system (FWS), advisory messages may be:
72 - The velocity of sound at the sea level in a standard atmosphere is:
73 - The deviation of the magnetic compass is due to the action of:
74 - The range of a low altitude radio altimeter is:
75 - The principle of the Mach indicator is based on the computation of the ratio:
76 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
77 - A "close traffic advisory" is displayed on the display device of the TCAS II (Traffic Collision Avoidance System) by:
78 - When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a:
79 - If the static source of an altimeter becomes blocked during a descent the instrument will:
80 - A Stand-by-horizon or emergency attitude indicator:
81 - The magnetic heading can be derived from the true heading by means of a:
82 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS 2 (Traffic Collision Avoidance System) generates a:
83 - Regarding the operating system used for an on-board documentation (charts and company information):
84 - VNO is the maximum speed:
85 - When being engaged, and without selecting a particular mode, an automatic pilot enables:
86 - The alignment sequence of an IRS consists of: 1 - searching for the local vertical2 - searching for the true north 3 - searching for the latitude4 - searching for the longitude5 - comparison between the computed longitude and the one entered by the pilot 6 - comparison between the computed latitude and the one entered by the pilot The combination that regroups all of the correct statements is:
87 - The indication of a fuel float gauge varies with: 1 - pitch attitude2 - accelerations3 - fuel temperatureThe combination that regroups all of the correct statements is:
88 - At flight level and mach number constant, if OAT decreases, the CAS:
89 - The diagram representing a left turn with insufficient rudder is:
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90 - The CVR (Cockpit Voice Recorder) includes:1. a microphone2. a recorder in compliance with the shock and fire resistance standards3. an independent battery4. a flight data recorderThe combination regrouping all the correct statements is:
91 - The operation of the radio altimeter of a modern aircraft is based on:
92 - The principle of the Schuler pendulum is used in the design of a:
93 - An aircraft is flying at an indicated altitude of 16.000 ft. The outside air temperature is -30°C. What is the true altitude of the aircraft?
94 - The altitude alerting system:
95 - 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
96 - A thermocouple type thermometer consists of:
97 - The Primary Flight Display (PFD) displays information dedicated to:
98 - 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...
99 - Given:Zp = pressure altitude Zd = density altitudeTAS can be obtained from the following data:
100 - On the ground, during a left turn, the turn indicator indicates:
101 - TCAS 2 (Traffic Collision Avoidance System) uses for its operation:
102 - Iron and brass are commonly used in bimetallic thermometers, because:
103 - In An Air Data Computer (ADC), aeroplane altitude is calculated from:
104 - Indication of Mach number is obtained from:
105 - A "Bourdon tube" is used in:
106 - In the northern hemisphere, during deceleration following a landing in a northerly direction, a direct reading magnetic compass indicates:
107 - An autopilot system:
108 - An aeroplane is in steady cruise at flight level 270. The auto-throttle maintains a constant calibrated airspeed. If the static air temperature decreases, the Mach number:
109 - The speed of sound at the sea level in standard atmosphere is:
110 - A laser gyro consists of:
111 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
112 - During deceleration following a landing in a southerly direction, a magnetic compass made for the northern hemisphere indicates:
113 - The two main sources of information used to calculate turbojet thrust are the:
114 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail ...
115 - One of the errors inherent in a ring laser gyroscope occurs at low input rotation rates tending towards zero when a phenomenon known as 'lock-in' is experienced. What is the name of the technique, effected by means of a piezo-electric motor, that is used
116 - The altimeter consists of one or several aneroid capsules located in a sealed casing. The pressures in the aneroid capsule (i) and casing (ii) are respectively:
117 - Sound propagates through the air at a speed which only depends on:
118 - At a low bank angle, the measurement of rate-of-turn actually consists in measuring the:
119 - On the ground, during a right turn, the turn indicator indicates:
120 - The pressure altitude is the altitude corresponding:
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