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

Exam simulation ATPL Question Bank in English Aircraft General Knowledge - Instrumentation 120 questions on 120 minutes

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1 - An airspeed indicator displays:
2 - Which statement correctly describes the locations used for turbine gas-temperature measurements such as TIT, ITT and EGT?
3 - 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:
4 - In the International Standard Atmosphere below the tropopause, during a subsonic descent at constant CAS:
5 - For an installed EFB host platform used for on-board documentation, which statement about its operating system is correct under EASA AMC 20-25A?
6 - Which statements about a cockpit voice recorder (CVR) system are correct? 1) It includes a cockpit-area microphone as a recording input. 2) It uses a recording unit meeting the applicable crash-protection standards. 3) Every CVR installation must contain an independent battery, regardless of aircraft mass and certification date. 4) A separate flight data recorder must always be an integral component of the CVR. Select all the correct statements.
7 - The dip-related turning errors of a direct-reading magnetic compass are primarily:
8 - If the GPWS (Ground Proximity Warning System) activates, and alerts the pilot with an aural warning 'DON'T SINK' (twice), it is because:
9 - The vertical speed indicator (VSI) is fed by:
10 - The diagram which shows a 40° left bank and 15° nose down attitude is n°
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11 - A directional gyro is: 1- a gyroscope free around two axis 2- a gyroscope free around one axis 3- capable of self-orientation around an earth-tied direction 4- incapable of self-orientation around an earth-tied direction. The combination which regroups all of the correct statements is: NB: the degree(s) of freedom of a gyro does not take into account its rotor spin axis.
12 - Considering an airspeed indicator, a second striped needle, if installed, indicates:
13 - Under CS 25.1322, which colour convention applies to a visual caution alert requiring immediate flight crew awareness and subsequent flight crew response?
14 - 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:
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15 - The airspeed indicator of a twin-engine aircraft comprises different sectors and colour marks. The blue line corresponds to the:
16 - The pendulum type detector system of the directional gyro feeds:
17 - Some of the FMS have a navigation mode called Dead Reckoning mode (DR), computing airspeed, heading, wind data ground speed and time. This mode is:
18 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
19 - During deceleration following a landing in a northerly direction, a magnetic compass made for the southern hemisphere indicates:
20 - A temperature sensor has a recovery factor of 0,95. The temperature measured is equal to:
21 - The spin axis of the turn indicator gyro is aligned along the:
22 - In the Boeing 747-400 multiple-autopilot landing system described in the GCAA report, which instrument supplies the height reference used to initiate the automatic flare near 50 ft above the ground?
23 - The upper antenna of the TCAS II is:
24 - When, in flight, the needle and ball of a needle-and-ball indicator are on the right, the aircraft is:
25 - Modern low altitude radio altimeters emit waves in the following frequency band:
26 - Parallax error is:
27 - The gyroscope used in an attitude indicator has a spin axis which is:
28 - When flying in cold air (colder than standard atmosphere), the altimeter will:
29 - The limits of the green scale of an airspeed indicator are:
30 - The yaw damper system sends a motion order to the rudder if the yawing rate of the aircraft:
31 - The response time of a vertical speed detector may be decreased by adding a:
32 - During a Boeing 747-400 multiple-autopilot automatic landing with LAND 3 or LAND 2 annunciated, what pitch-mode transition occurs at approximately 50 ft radio altitude?
33 - If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will:
34 - A ring laser gyro can measure:
35 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail...
36 - The Decision Height (DH) warning light comes on when an aircraft:
37 - On a modern aircraft, the flight director modes are displayed on the:
38 - Which describes the basic stabilisation function of an aircraft autopilot, rather than an optional higher-level capability?
39 - During take-off, when an autothrottle is actively regulating an N1-based thrust setting rather than operating in a throttle-position HOLD mode, its control objective is to:
40 - 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:
41 - Which statement best describes magnetic-compass deviation in an aircraft?
42 - When engaged in the lateral navigation mode (LNAV) the autopilot uses:
43 - Due to the rotation of the Earth, the apparent drift of a horizontal free gyroscope at a latitude of 45°N is:
44 - 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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45 - Given: Zp = pressure altitude Zd = density altitudeTAS can be obtained from the following data:
46 - The alignment sequence of an IRS consists of: 1 - searching for the local vertical 2 - searching for the true north 3 - searching for the latitude 4 - searching for the longitude 5 - 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:
47 - A laser gyro can measure:
48 - Which aircraft instrument normally uses a downward-directed radio signal near 4.3 GHz to measure height above the terrain?
49 - When making a northerly turn using a conventional direct-reading magnetic compass in the Northern Hemisphere, how should the pilot qualitatively allow for northerly turning error?
50 - In order to align an inertial reference system (IRS), it is required to insert the local geographical coordinates. This enables the IRS to:
51 - During deceleration following a landing in an easterly direction, a magnetic compass made for the southern hemisphere indicates:
52 - The basic GPWS functions of the Honeywell Mark V/Mark VII EGPWS use radio height and other aircraft information. Which of the following are relevant to their alert logic? 1 - descent rate 2 - climb rate, as part of signed vertical-rate and takeoff/climb monitoring 3 - landing-gear and flap configuration 4 - selected engine rpm. Select the combination containing all the relevant items:
53 - The operation of a frequency-modulated continuous-wave (FMCW) aircraft radio altimeter is based on:
54 - A VMO-MMO warning device consists of an alarm connected to:
55 - In an Air Data Computer (ADC), aeroplane altitude is calculated from:
56 - Given Pt = total pressure and Ps = static pressure, impact pressure is:
57 - A gravity type erector is used in a vertical gyro device to correct errors on:
58 - The elements which take part in the local vertical alignment of an inertial strap-down unit are:
59 - When turning into a desired radial, FD bars indicate:
60 - Given: Pt: total pressure, Ps: static pressure, Pd: dynamic pressure. The altimeter is fed by:
61 - For dry air treated as a calorically perfect gas with fixed composition, gas constant and ratio of specific heats, the speed of sound depends on which variable?
62 - Under CAT.IDE.A.190, an aeroplane operated in commercial air transport with an MCTOM greater than 5 700 kg and first issued with an individual certificate of airworthiness on or after 1 January 2016 must have an FDR capable of retaining at least the preceding:
63 - How does a conventional hydraulic torquemeter in a turboprop reduction gearbox obtain a torque indication?
64 - The diagram shows three gyro assemblies: A, B and C. Among these gyros,-one is a roll gyro (noted 1) -one is a pitch gyro (noted 2) -one is a yaw gyro (noted 3). The correct matching of gyros and assemblies is:
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65 - If the static source to an altimeter becomes blocked during a climb, the instrument will:
66 - During deceleration following a landing in a westerly direction, a magnetic compass made for the northern hemisphere indicates:
67 - The data supplied by a radio altimeter:
68 - When, in flight, the needle of a needle-and-ball indicator is on the right and the ball on the left, the aircraft is:
69 - Machmeter readings are subject to:
70 - 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:
71 - During a final approach, the flight director system is engaged in the LOC mode (holding of localizer axis). The position of the vertical command bar indicates:
72 - The sequence of the automatic landing comprises several phases (from final approach to touch-down) actuated by:
73 - On the ground, during a left turn, the turn indicator indicates:
74 - At flight level and mach number constant, if OAT decreases, the CAS:
75 - A conventional electrically driven spinning-gyro standby attitude indicator:
76 - The vertical command bar of a flight director:
77 - When, in flight, the needle of a needle-and-ball indicator is on the left and the ball on the right, the aircraft is:
78 - The gyromagnetic compass torque motor:
79 - The FMS Overfly function consists in:
80 - During deceleration following a landing in an easterly direction, a magnetic compass made for the northern hemisphere indicates:
81 - With EAS and pressure altitude (Zp), we can deduce:
82 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
83 - 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:
84 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
85 - Flight Director Information supplied by an FD computer is presented in the form of command bars on the following instrument:
86 - The principle of a laser gyro is based on:
87 - Under CS 25.1322, on a colour display, which colours may be used for advisory alert indications?
88 - The pressure altitude is the altitude corresponding:
89 - In a turn at a constant angle of bank, the turn indicator reading is:
90 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
91 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
92 - If OAT increases when at a constant TAS:
93 - Given: Pt = total pressure, Ps = static pressure, Pd = impact pressure (the Pitot pressure difference). Which relationship is correct?
94 - Given: Zp = pressure altitude, Zd = density altitude. CAS can be obtained from the following data:
95 - At a low bank angle, the measurement of rate-of-turn actually consists in measuring the:
96 - The velocity of sound at the sea level in a standard atmosphere is:
97 - 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...
98 - The operating principle of the vertical speed indicator (VSI) is based on the measurement of the rate of change of:
99 - In the ideal Schuler-tuned inertial-navigation model, neglecting external aiding and damping, the equivalent pendulum has approximately which oscillation characteristics?
100 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a resolution advisory (RA) is represented by:
101 - Concerning the directional gyro indicator, the latitude at which the apparent wander is equal to 0 is:
102 - When an aircraft has turned 90 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
103 - The principle of capacity gauges is based on the:
104 - The magnetic heading can be derived from the true heading by means of a:
105 - Heading information from the gyromagnetic compass flux gate is transmitted to the:
106 - Due to its conception, the altimeter measures a:
107 - The rate-of-turn is the:
108 - With a Honeywell KFC 230 autopilot in ROLL mode, the pilot uses CWS to establish a 20° bank, within the permitted roll-reference limits, and then releases the CWS switch. The autopilot will:
109 - In the absence of position and instrument errors:
110 - The position of the Flight Director command bars:
111 - The altitude alerting system:
112 - A capacitance fuel-quantity system with appropriate fuel-density compensation and calibration can indicate fuel mass in kilograms or pounds because:
113 - An aircraft indicates 16 000 ft with the correct current QNH set, referenced to a sea-level datum. The outside air temperature is -30°C. Assume ISA temperature decreases by 2°C per 1000 ft, the ISA temperature deviation is constant throughout the layer, and instrument and position errors are negligible. Using the approximate 4%-per-10°C temperature-correction rule, what is the true altitude?
114 - The heading read on the dial of a directional gyro is subject to errors, one of which is due to the movement of the aircraft. This error...
115 - The speed of sound at the sea level in standard atmosphere is:
116 - When compared with the volumetric fuel flowmeter, the mass fuel flowmeter takes into account the fuel:
117 - 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.
118 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
119 - On the ground, during a right turn, the turn indicator indicates:
120 - To indicate a temperature, a thermocouple requires:
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