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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 speed of sound at the sea level in standard atmosphere is:
2 - During deceleration following a landing in a northerly direction, a magnetic compass made for the southern hemisphere indicates:
3 - The aircraft radio equipment which emits on a frequency of 4400 MHz is the:
4 - An airplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
5 - The response time of a vertical speed detector may be decreased by adding a:
6 - 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:
7 - If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will:
8 - 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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9 - Due to its conception, the altimeter measures a:
10 - An inertial reference and navigation system is a "strapdown" system when:
11 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
12 - The operating principle of the vertical speed indicator (VSI) is based on the measurement of the rate of change of:
13 - 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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14 - The purpose of an airplane automatic trim system is to trim out the hinge moment of the:
15 - If the outside temperature at 35 000 feet is -40°C, the local speed of sound is:
16 - The Ground Proximity Warning System (GPWS) is a system working according to a height span ranging from:
17 - When compared with the volumetric fuel flowmeter, the mass fuel flowmeter takes into account the fuel:
18 - VNE is the maximum speed:
19 - In order to know in which mode the auto-throttles are engaged, the crew will check the:
20 - 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
21 - The vertical command bar of a flight director:
22 - Concerning the flight warning system (FWS), advisory messages may be:
23 - During deceleration following a landing in a southerly direction, a magnetic compass made for the northern hemisphere indicates:
24 - During the approach, the radio altimeter indicates 950 ft. This is:
25 - The Decision Height (DH) warning light comes on when an aircraft:
26 - In a steep turn, the northerly turning error on a magnetic compass on the northern hemisphere is:
27 - Given: Mach number M = 0.70, measured impact temperature = - 48 °C, the recovery factor (Kr) of the temperature probe = 0.85. The OAT is:
28 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
29 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
30 - Without any external action, the axis of a free gyroscope is fixed with reference to:
31 - In case of accidental closing of an aircraft's left static pressure port (rain, birds), the altimeter:
32 - On a TCAS II (Traffic Collision Avoidance System) the preventive 'resolution advisory' (RA) is a 'resolution advisory':
33 - During deceleration following a landing in a westerly direction, a magnetic compass made for the northern hemisphere indicates:
34 - At a given altitude, the hysteresis error of an altimeter varies substantially with the:
35 - 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:
36 - 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:
37 - 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:
38 - The signal transmitted by a radio altimeter is:
39 - 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...
40 - Machmeter readings are subject to:
41 - Except for airplanes 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:
42 - The Mach trim system allows to:
43 - When turning into a desired radial, FD bars indicate:
44 - A TCAS II (Traffic Collision Avoidance System) provides:
45 - The operating frequency range of a low altitude radio altimeter is:
46 - The FMS Overfly function consists in:
47 - An autopilot system:
48 - In the absence of position and instrument errors:
49 - To indicate a temperature, a thermocouple requires:
50 - In the event of a conflict, the TCAS II (Traffic Collision alert and Avoidance System) presents warnings to the crew such as:
51 - 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:
52 - Concerning the directional gyro indicator, the latitude at which the apparent wander is equal to 0 is:
53 - 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:
54 - The rate-of-turn is the:
55 - Equivalent Air Speed (EAS) is:
56 - The magnetic heading can be derived from the true heading by means of a:
57 - A "Bourdon tube" is used in:
58 - 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:
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 - 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:
61 - The measurement of the turbine temperature or of the EGT is carried out at the:
62 - The upper antenna of the TCAS II is:
63 - A ring laser gyro can measure:
64 - When descending at a constant Mach number:
65 - During the ground run take-off phase, the auto-throttles allow to:
66 - A "close traffic advisory" is displayed on the display device of the TCAS II (Traffic Collision Avoidance System) by:
67 - On the ground, during a right turn, the turn indicator indicates:
68 - 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:
69 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
70 - A ground proximity warning system (GPWS), when mandatory installed on board an aircraft, must in all cases generate:
71 - A VMO-MMO warning device consists of an alarm connected to:
72 - A temperature sensor has a recovery factor of 0,95. The temperature measured is equal to:
73 - The data supplied by a radio altimeter:
74 - The diagram representing a left turn with insufficient rudder is:
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75 - A Stand-by-horizon or emergency attitude indicator:
76 - Torque can be determined by measuring the computed:
77 - 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:
78 - 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:
79 - 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:
80 - Your aircraft and an intruding traffic are both TCAS II equipped. Your TCAS can generate:
81 - True Air Speed (TAS) is equal to Equivalent Air Speed (EAS) only if:
82 - The position of the Flight Director command bars:
83 - The pressure altitude is the altitude corresponding:
84 - 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...
85 - Given: Pt = total pressure, Ps = static pressure, Pd = dynamic pressure
86 - 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:
87 - An airspeed indicator displays:
88 - In a directional gyro, gimballing errors are due to:
89 - The airspeed indicator of a twin-engine aircraft comprises different sectors and colour marks. The blue line corresponds to the:
90 - The principle of capacity gauges is based on the:
91 - If an EPR is set at a constant barometric pressure, with an increasing OAT, the thrust
92 - Parallax error is:
93 - In order to align an inertial reference system (IRS), it is required to insert the local geographical coordinates. This enables the IRS to:
94 - Lights indicating the possible need for future corrective action must be:
95 - When being engaged, and without selecting a particular mode, an automatic pilot enables:
96 - If OAT increases when at a constant TAS:
97 - 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:
98 - During deceleration following a landing in an easterly direction, a magnetic compass made for the southern hemisphere indicates:
99 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
100 - In an auto-pilot slaved powered control circuit, the system which ensures synchronisation:
101 - The spin axis of the turn indicator gyro is aligned along the:
102 - 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:
103 - At a low bank angle, the measurement of rate-of-turn actually consists in measuring the:
104 - Concerning the TCAS (Traffic Collision Avoidance System):
105 - The TCAS II has inputs from the radio altimeter in order to:
106 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail ...
107 - 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:
108 - Considering an airspeed indicator, a second striped needle, if installed, indicates:
109 - 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:
110 - During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true:
111 - Magnetic compass errors are:
112 - On the ground, during a left turn, the turn indicator indicates:
113 - A laser gyro consists of:
114 - 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:
115 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
116 - In a turn at a constant angle of bank, the turn indicator reading is:
117 - The limits of the yellow scale of an airspeed indicator are:
118 - During a category III automatic approach, the position signals in the vertical plane under 200 ft are based on:
119 - When an aircraft has turned 90 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
120 - A pitot tube covered by ice which blocks the ram air inlet will affect the following instrument (s):
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