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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 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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2 - The altitude alerting system:
3 - Given: Pt = total pressure, Ps = static pressure, Pd = dynamic pressure
4 - An inertial reference and navigation system is a "strapdown" system when:
5 - The gyroscope used in an attitude indicator has a spin axis which is:
6 - At flight level and mach number constant, if OAT decreases, the CAS:
7 - In the directional gyro the detection system of the local vertical feeds:
8 - The density altitude is:
9 - The 'Bourdon tube' is used to measure:
10 - 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:
11 - Given the following parameters in a capacitance fuel gauge, the correct formula is: A = area of plates, D = distance between plates, E = dielectric permittivity.
12 - The spin axis of the turn indicator gyroscope is parallel to the:
13 - If the static source to an altimeter becomes blocked during a climb, the instrument will:
14 - The initiation of an automatic go-around can be:
15 - The data supplied by a radio altimeter:
16 - The purpose of the vibrating device of an altimeter is to:
17 - 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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18 - True Air Speed (TAS) is equal to Equivalent Air Speed (EAS) only if:
19 - At 50 feet AGL during an auto-land, what happens to the glideslope signal?
20 - The principle of a laser gyro is based on:
21 - The Mach trim system allows to:
22 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
23 - Concerning the TCAS (Traffic Collision Avoidance System):
24 - 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...
25 - Your aircraft and an intruding traffic are both TCAS II equipped. Your TCAS can generate:
26 - If OAT increases when at a constant TAS:
27 - 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:
28 - The aircraft radio equipment which emits on a frequency of 4400 MHz is the:
29 - 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:
30 - 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:
31 - The airspeed indicator of a twin-engine aircraft comprises different sectors and colour marks. The blue line corresponds to the:
32 - 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:
33 - Heading information from the gyromagnetic compass flux gate is transmitted to the:
34 - The vertical command bar of a flight director:
35 - The transmitter of RPM indicator may consist of: 1 -a magnetic sensor supplying an induced AC voltage 2 -a DC generator supplying a DC voltage 3 -a single-phase AC generator supplying an AC voltage 4-a three-phase AC generator supplying a three-phase voltage. The combination regrouping all the correct statements is:
36 - If the static source of an altimeter becomes blocked during a descent the instrument will:
37 - Indication of Mach number is obtained from:
38 - 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:
39 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
40 - The yaw damper system sends a motion order to the rudder if the yawing rate of the aircraft:
41 - A pitot tube covered by ice which blocks the ram air inlet will affect the following instrument (s):
42 - When, in flight, the needle and ball of a needle-and-ball indicator are on the right, the aircraft is:
43 - 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:
44 - A laser gyro consists of:
45 - Due to its conception, the altimeter measures a:
46 - Due to the rotation of the Earth, the apparent drift of a horizontal free gyroscope at a latitude of 45°N is:
47 - In the absence of position and instrument errors:
48 - VNO is the maximum speed:
49 - A ring laser gyro can measure:
50 - With EAS and pressure altitude (Zp), we can deduce:
51 - The magnetic heading can be derived from the true heading by means of a:
52 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a proximate traffic is represented by:
53 - Given: Mach number M = 0.70, measured impact temperature = - 48 °C, the recovery factor (Kr) of the temperature probe = 0.85. The OAT is:
54 - TCAS II (Traffic Collision Avoidance System) uses for its operation:
55 - The radio altimeter is required to indicate zero height AGL as the main wheels touch down on the runway. For this reason, it is necessary to:
56 - Equivalent Air Speed (EAS) is:
57 - On a modern aircraft, the flight director modes are displayed on the:
58 - During a climb, the total pressure probe of the airspeed indicator becomes blocked: If the pilot maintains a constant indicated airspeed, the true airspeed:
59 - The position of the Flight Director command bars:
60 - The FMS Overfly function consists in:
61 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
62 - An airspeed indicator displays:
63 - During a deceleration phase at constant attitude, the control system of the artificial horizon results in the horizon bar indicating a
64 - Compared with a conventional gyro, a laser gyro:
65 - Given: Pt: total pressure, Ps: static pressure, Pd: dynamic pressure. The altimeter is fed by:
66 - In case of accidental closing of an aircraft's left static pressure port (rain, birds), the altimeter:
67 - When, in flight, the needle of a needle-and-ball indicator is on the right and the ball on the left, the aircraft is:
68 - Absolute pressure is:
69 - The operation of the radio altimeter of a modern aircraft is based on:
70 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
71 - Without any external action, the axis of a free gyroscope is fixed with reference to:
72 - 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:
73 - When flying in cold air (colder than standard atmosphere), indicated altitude is:
74 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS II (Traffic Collision Avoidance System) generates a:
75 - 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:
76 - The purpose of an aeroplane automatic trim system is to trim out the hinge moment of the:
77 - 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:
78 - A directional gyro consists of a: NB: the degree(s) of freedom of a gyro does not take into account its rotor spin axis.
79 - A laser gyro can measure:
80 - 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:
81 - At a given altitude, the hysteresis error of an altimeter varies substantially with the:
82 - To indicate a temperature, a thermocouple requires:
83 - VNE is the maximum speed:
84 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
85 - The QNH is by definition the value of the:
86 - In the northern hemisphere, during the take-off run in an easterly direction, a direct reading magnetic compass indicates:
87 - The command bars of a flight director:
88 - An autopilot system:
89 - A gravity type erector is used in a vertical gyro device to correct errors on:
90 - The pressure altitude is the altitude corresponding:
91 - 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:
92 - Flight Director Information supplied by an FD computer is presented in the form of command bars on the following instrument:
93 - In the northern hemisphere, during deceleration following a landing in a northerly direction, a direct reading magnetic compass indicates:
94 - During deceleration following a landing in a northerly direction, a magnetic compass made for the southern hemisphere indicates:
95 - Considering an airspeed indicator, a second striped needle, if installed, indicates:
96 - 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:
97 - In order to know in which mode the auto-throttles are engaged, the crew will check the:
98 - During the approach, the radio altimeter indicates 950 ft. This is:
99 - When climbing at a constant Mach number:
100 - Given: E = electromotive force (emf), Tc = cold junction temperature, Th = hot junction temperature, K = constant. The relationship that applies to a thermocouple is:
101 - Magnetic compass errors are:
102 - When flying in cold air (colder than standard atmosphere), the altimeter will:
103 - A three-phase electrical tachometer consists of:
104 - Parallax error is:
105 - For the same TAS, when pressure altitude increases below the tropopause:
106 - On the ground, during a right turn, the turn indicator indicates:
107 - 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:
108 - The upper antenna of the TCAS II is:
109 - Machmeter readings are subject to:
110 - 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:
111 - 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:
112 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail...
113 - A VMO-MMO warning device consists of an alarm connected to:
114 - The principle of the Mach indicator is based on the computation of the ratio:
115 - 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:
116 - 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:
117 - The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
118 - 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:
119 - The measurement of the turbine temperature or of the EGT is carried out at the:
120 - Electrical requirements for an alumel/chromel indicating system are:
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