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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 limits of the green scale of an airspeed indicator are:
2 - 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.
3 - When flying in cold air (colder than standard atmosphere), the altimeter will:
4 - Given the following parameters in a capacitance fuel gauge, the correct formula is: A = area of plates, D = distance between plates, E = dielectric permittivity.
5 - The principle of the Schuler pendulum is used in the design of a:
6 - The altimeter of your aircraft indicates 11000 ft with a subscale-setting of 1013,25 mb. QNH is 1023 hPa. OAT is +3°C. The pressure altitude of the aircraft is:
7 - When being engaged, and without selecting a particular mode, an automatic pilot enables:
8 - When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a:
9 - Concerning the directional gyro indicator, the latitude at which the apparent wander is equal to 0 is:
10 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS II (Traffic Collision Avoidance System) generates a:
11 - In case of accidental closing of an aircraft's left static pressure port (rain, birds), the altimeter:
12 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
13 - The aircraft radio equipment which emits on a frequency of 4400 MHz is the:
14 - During deceleration following a landing in a northerly direction, a magnetic compass made for the southern hemisphere indicates:
15 - Heading information from the gyromagnetic compass flux gate is transmitted to the:
16 - 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:
17 - The QNH is by definition the value of the:
18 - The velocity maximum operating (VMO) is a speed expressed in:
19 - The diagram which shows a 40° left bank and 15° nose down attitude is n°
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20 - The purpose of the vibrating device of an altimeter is to:
21 - For the same TAS, when pressure altitude increases below the tropopause:
22 - The magnetic heading can be derived from the true heading by means of a:
23 - Torque can be determined by measuring the computed:
24 - In a turn at a constant angle of bank, the turn indicator reading is:
25 - The parameter that determines the relationship between EAS and TAS is:
26 - The principle of capacity gauges is based on the:
27 - An autopilot system:
28 - An aeroplane is in steady cruise at flight level 290. The auto-throttle maintains a constant Mach number. If the total temperature increases, the calibrated airspeed:
29 - The rate-of-turn is the:
30 - At a low bank angle, the measurement of rate-of-turn actually consists in measuring the:
31 - 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.
32 - 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:
33 - Given: E = electromotive force (emf), Tc = cold junction temperature, Th = hot junction temperature, K = constant. The relationship that applies to a thermocouple is:
34 - VNO is the maximum speed:
35 - 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:
36 - 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...
37 - 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:
38 - The altitude alerting system:
39 - The density altitude is:
40 - True Air Speed (TAS) is equal to Equivalent Air Speed (EAS) only if:
41 - 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:
42 - 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:
43 - Lights indicating the possible need for future corrective action must be:
44 - On a modern aircraft, the flight director modes are displayed on the:
45 - Electrical requirements for an alumel/chromel indicating system are:
46 - Given: Pt = total pressure Ps = static pressure Dynamic pressure is:
47 - If the static source of an altimeter becomes blocked during a descent the instrument will:
48 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
49 - The limits of the yellow scale of an airspeed indicator are:
50 - Flight Director Information supplied by an FD computer is presented in the form of command bars on the following instrument:
51 - 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:
52 - In order to know in which mode the auto-throttles are engaged, the crew will check the:
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:
question inst4.webp
54 - A laser gyro consists of:
55 - 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:
56 - When flying in cold air (colder than standard atmosphere), indicated altitude is:
57 - The Primary Flight Display (PFD) displays information dedicated to:
58 - A Stand-by-horizon or emergency attitude indicator:
59 - In a directional gyro, gimballing errors are due to:
60 - The operation of the radio altimeter of a modern aircraft is based on:
61 - With EAS and pressure altitude (Zp), we can deduce:
62 - The elements which take part in the local vertical alignment of an inertial strap-down unit are:
63 - When engaged in the lateral navigation mode (LNAV) the autopilot uses:
64 - An inertial reference and navigation system is a "strapdown" system when:
65 - If the pilot increases the reference pressure using the sub-scale setting knob, the altitude indicated by the altimeter:
66 - The TCAS II has inputs from the radio altimeter in order to:
67 - When descending at a constant Mach number:
68 - The deviation of the magnetic compass is due to the action of:
69 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
70 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail...
71 - A TCAS II (Traffic Collision Avoidance System) provides:
72 - 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
73 - The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
74 - Given: Pt = total pressure, Ps = static pressure, Pd = dynamic pressure
75 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
76 - When flying in warm air (warmer than standard atmosphere), indicated altitude is:
77 - During a deceleration phase at constant attitude, the control system of the artificial horizon results in the horizon bar indicating a
78 - Given: Zp = pressure altitude Zd = density altitudeTAS can be obtained from the following data:
79 - 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:
80 - If the static source to an altimeter becomes blocked during a climb, the instrument will:
81 - 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:
82 - A temperature sensor has a recovery factor of 0,95. The temperature measured is equal to:
83 - The position of the Flight Director command bars:
84 - When climbing at a constant CAS in a standard atmosphere:
85 - Given: Pt: total pressure, Ps: static pressure, Pd: dynamic pressure. The altimeter is fed by:
86 - Below the tropopause, when descending at constant CAS:
87 - The purpose of an aeroplane automatic trim system is to trim out the hinge moment of the:
88 - 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:
89 - 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:
90 - The operating frequency range of a low altitude radio altimeter is:
91 - 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:
92 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
93 - At 50 feet AGL during an auto-land, what happens to the glideslope signal?
94 - 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:
95 - On the ground, during a right turn, the turn indicator indicates:
96 - Compared with a conventional gyro, a laser gyro:
97 - 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:
98 - 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:
99 - The mach number is the:
100 - Given: Mach number M = 0.70, measured impact temperature = - 48 °C, the recovery factor (Kr) of the temperature probe = 0.85. The OAT is:
101 - Given: Zp = pressure altitude, Zd = density altitude. CAS can be obtained from the following data:
102 - During the approach, the radio altimeter indicates 950 ft. This is:
103 - At flight level and mach number constant, if OAT decreases, the CAS:
104 - During a category III automatic approach, the position signals in the vertical plane under 200 ft are based on:
105 - An aneroid capsule: 1 - measures differential pressure 2 - measures absolute pressure 3 - is used for low pressure measurement 4 - is used for very high pressure measurement. The combination regrouping all the correct statements is:
106 - 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:
question inst5.webp
107 - During deceleration following a landing in a westerly direction, a magnetic compass made for the northern hemisphere indicates:
108 - 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...
109 - The principle of the TCAS (Traffic Collision Avoidance Systems) is based on the use of:
110 - The sequence of the automatic landing comprises several phases (from final approach to touch-down) actuated by:
111 - The pendulum type detector system of the directional gyro feeds:
112 - Magnetic compass errors are:
113 - The 'Bourdon tube' is used to measure:
114 - The upper antenna of the TCAS II is:
115 - Iron and brass are commonly used in bimetallic thermometers, because:
116 - The FMS Overfly function consists in:
117 - Due to the rotation of the Earth, the apparent drift of a horizontal free gyroscope at a latitude of 45°N is:
118 - 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?
119 - The velocity of sound at the sea level in a standard atmosphere is:
120 - In the directional gyro the detection system of the local vertical feeds:
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