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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 - An autopilot system:
2 - 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:
3 - Sound propagates through the air at a speed which only depends on:
4 - While inertial platform system is operating on board an aircraft, it is necessary to use a device with the following characteristics, in order to keep the vertical line with a pendulous system:
5 - In a turn at a constant angle of bank, the turn indicator reading is:
6 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
7 - On the ground, during a right turn, the turn indicator indicates:
8 - The limits of the green scale of an airspeed indicator are:
9 - Machmeter readings are subject to:
10 - The principle of the Mach indicator is based on the computation of the ratio:
11 - The principle of capacity gauges is based on the:
12 - VNO is the maximum speed:
13 - A TCAS II (Traffic Collision Avoidance System) provides:
14 - Absolute pressure is:
15 - A "Bourdon tube" is used in:
16 - 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:
17 - Considering an airspeed indicator, a second striped needle, if installed, indicates:
18 - The spin axis of the turn indicator gyro is aligned along the:
19 - In case of accidental closing of an aircraft's left static pressure port (rain, birds), the altimeter:
20 - The operating principle of the vertical speed indicator (VSI) is based on the measurement of the rate of change of:
21 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
22 - A pitot tube covered by ice which blocks the ram air inlet will affect the following instrument (s):
23 - If OAT increases when at a constant TAS:
24 - A pilot wishes to turn right through 90° on to North at rate 2 at latitude of 40 North using a direct reading compass. In order to achieve this the turn should be stopped on an indicated heading of approximately:
25 - When climbing at a constant CAS in a standard atmosphere:
26 - The Primary Flight Display (PFD) displays information dedicated to:
27 - True Air Speed (TAS) is equal to Equivalent Air Speed (EAS) only if:
28 - When climbing at a constant Mach number:
29 - In the event of a conflict, the TCAS II (Traffic Collision alert and Avoidance System) presents warnings to the crew such as:
30 - 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:
31 - Magnetic compass errors are:
32 - 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.
33 - On a TCAS2 (Traffic Collision Avoidance System), a corrective 'resolution advisory' (RA) is a 'resolution advisory':
34 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
35 - The FMS Overfly function consists in:
36 - 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:
37 - When, in flight, the needle of a needle-and-ball indicator is on the left and the ball on the right, the aircraft is:
38 - The spin axis of the turn indicator gyroscope is parallel to the:
39 - When being engaged, and without selecting a particular mode, an automatic pilot enables:
40 - The altimeter of your aircraft indicates 15000 ft with a subscale-setting of 1013,25 mb. OAT is -21°C. The pressure altitude of the aircraft is:
41 - The sequence of the automatic landing comprises several phases (from final approach to touch-down) actuated by:
42 - Concerning the TCAS (Traffic Collision Avoidance System):
43 - The deviation of the magnetic compass is due to the action of:
44 - When, in flight, the needle and ball of a needle-and-ball indicator are on the right, the aircraft is:
45 - An inertial reference and navigation system is a "strapdown" system when:
46 - 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:
47 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
48 - The airspeed indicator of a twin-engine aircraft comprises different sectors and colour marks. The blue line corresponds to the:
49 - The properties of a gyroscope are: 1 - rigidity in space 2 - rigidity on earth 3 - precession 4 - Schuler oscillations. The combination regrouping all the correct statements is:
50 - Given: Mach number M = 0.70, measured impact temperature = - 48 °C, the recovery factor (Kr) of the temperature probe = 0.85. The OAT is:
51 - A gravity type erector is used in a vertical gyro device to correct errors on:
52 - The parameter that determines the relationship between EAS and TAS is:
53 - 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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54 - When flying in cold air (colder than standard atmosphere), indicated altitude is:
55 - During a climb, the total pressure probe of the airspeed indicator becomes blocked: If the pilot maintains a constant indicated airspeed, the true airspeed:
56 - The Decision Height (DH) warning light comes on when an aircraft:
57 - In order to align an IRS, it is required to insert the local geographical coordinates. This enables the IRS to: 1 - compare the computed latitude with the one entered by the pilot 2 - compare the computed longitude with the one entered by the pilot 3 - know the longitude. The combination that regroups all of the correct statements is:
58 - 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:
59 - 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:
60 - If the static source to an altimeter becomes blocked during a climb, the instrument will:
61 - Given: E = electromotive force (emf), Tc = cold junction temperature, Th = hot junction temperature, K = constant. The relationship that applies to a thermocouple is:
62 - If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will:
63 - In the northern hemisphere, during the take-off run in an easterly direction, a direct reading magnetic compass indicates:
64 - On a modern aircraft, the flight director modes are displayed on the:
65 - Concerning the directional gyro indicator, the latitude at which the apparent wander is equal to 0 is:
66 - The magnetic heading can be derived from the true heading by means of a:
67 - During the ground run take-off phase, the auto-throttles allow to:
68 - 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:
69 - The response time of a vertical speed detector may be decreased by adding a:
70 - A VMO-MMO warning device consists of an alarm connected to:
71 - During deceleration following a landing in an easterly direction, a magnetic compass made for the northern hemisphere indicates:
72 - A three-phase electrical tachometer consists of:
73 - Hard iron magnetism in aircraft may be caused by:
74 - The limits of the yellow scale of an airspeed indicator are:
75 - Electrical requirements for an alumel/chromel indicating system are:
76 - 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.
77 - If the GPWS (Ground Proximity Warning System) activates, and alerts the pilot with an aural warning 'DON'T SINK' (twice), it is because:
78 - In the northern hemisphere, during deceleration following a landing in a northerly direction, a direct reading magnetic compass indicates:
79 - The diagram which shows a 40° left bank and 15° nose down attitude is n°
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80 - When flying in warm air (warmer than standard atmosphere), indicated altitude is:
81 - The aircraft radio equipment which emits on a frequency of 4400 MHz is the:
82 - When turning into a desired radial, FD bars indicate:
83 - A ground proximity warning system (GPWS), when mandatory installed on board an aircraft, must in all cases generate:
84 - During a deceleration phase at constant attitude, the control system of the artificial horizon results in the horizon bar indicating a
85 - Given: Pt = total pressure Ps = static pressure Dynamic pressure is:
86 - During deceleration following a landing in a southerly direction, a magnetic compass made for the northern hemisphere indicates:
87 - On a TCAS II (Traffic Collision Avoidance System) the preventive 'resolution advisory' (RA) is a 'resolution advisory':
88 - The gyromagnetic compass torque motor:
89 - 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:
90 - In an Air Data Computer (ADC), aeroplane altitude is calculated from:
91 - Lights indicating the possible need for future corrective action must be:
92 - In an auto-pilot slaved powered control circuit, the system which ensures synchronisation:
93 - An aeroplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
94 - 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?
95 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
96 - The altitude alerting system:
97 - 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:
98 - 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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99 - A laser gyro consists of:
100 - The QNH is by definition the value of the:
101 - If, in the event of a failure, there is no significant out-of-trim condition or deviation of flight path or attitude but the landing is not completed automatically, such an automatic landing system is considered as:
102 - Given: Zp = pressure altitude Zd = density altitudeTAS can be obtained from the following data:
103 - The rate-of-turn is the:
104 - A directional gyro consists of a: NB: the degree(s) of freedom of a gyro does not take into account its rotor spin axis.
105 - TCAS II (Traffic Collision Avoidance System) uses for its operation:
106 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
107 - To indicate a temperature, a thermocouple requires:
108 - 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:
109 - The vertical speed indicator (VSI) is fed by:
110 - Except for aeroplanes under 5,7 t airworthiness certificate of which is subsequent to 31 march 1998, a flight data recording system must be able to store the recorded data for a minimum of the last:
111 - When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a:
112 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS II (Traffic Collision Avoidance System) generates a:
113 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail...
114 - Torque can be determined by measuring the computed:
115 - The diagram representing a left turn with insufficient rudder is:
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116 - If an EPR is set at a constant barometric pressure, with an increasing OAT, the thrust
117 - 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:
118 - For the same TAS, when pressure altitude increases below the tropopause:
119 - 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:
120 - 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
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