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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 - During deceleration following a landing in a northerly direction, a magnetic compass made for the southern hemisphere indicates:
2 - 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...
3 - Magnetic compass errors are:
4 - 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:
5 - The operating frequency range of a low altitude radio altimeter is:
6 - A laser gyro can measure:
7 - Torque can be determined by measuring the computed:
8 - Indication of Mach number is obtained from:
9 - An airplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
10 - The purpose of an airplane automatic trim system is to trim out the hinge moment of the:
11 - An airspeed indicator displays:
12 - For the same TAS, when pressure altitude decreases below the tropopause:
13 - 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:
14 - The limits of the yellow scale of an airspeed indicator are:
15 - 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:
16 - When flying in warm air (warmer than standard atmosphere), indicated altitude is:
17 - 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:
18 - For the same TAS, when pressure altitude increases below the tropopause:
19 - The principle of a laser gyro is based on:
20 - The two main sources of information used to calculate turbojet thrust are the:
21 - The purpose of the vibrating device of an altimeter is to:
22 - During a climb, the total pressure probe of the airspeed indicator becomes blocked
23 - When climbing at a constant Mach number:
24 - In the directional gyro the detection system of the local vertical feeds:
25 - The 'Bourdon tube' is used to measure:
26 - Sound propagates through the air at a speed which only depends on:
27 - The fields affecting a magnetic compass originate from:1. magnetic masses2. ferrous metal masses3. non ferrous metal masses4. electrical currentsThe combination regrouping all the correct statements is:
28 - At flight level and mach number constant, if OAT decreases, the CAS:
29 - 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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30 - The properties of a gyroscope are: 1 - rigidity in space2 - rigidity on earth 3 - precession4 - Schuler oscillationsThe combination regrouping all the correct statements is:
31 - The mach number is the:
32 - On the ground, during a right turn, the turn indicator indicates:
33 - The principle of the TCAS (Traffic Collision Avoidance Systems) is based on the use of:
34 - Absolute pressure is:
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 - 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:
37 - 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 rate3- the aircraft configuration 4- the selected engine rpmThe combination regrouping all the correct statements is:
38 - 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:
39 - The diagram which shows a 40° left bank and 15° nose down attitude is n°
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40 - The altimeter consists of one or several aneroid capsules located in a sealed casing. The pressures in the aneroid capsule (i) and casing (ii) are respectively:
41 - The position of a Flight Director command bars:
42 - The response time of a vertical speed detector may be decreased by adding a:
43 - The operation of the radio altimeter of a modern aircraft is based on:
44 - An inertial reference and navigation system is a "strapdown" system when:
45 - When turning into a desired radial, FD bars indicate:
46 - In order to know in which mode the auto-throttles are engaged, the crew will check the:
47 - VNE is the maximum speed:
48 - The range of a low altitude radio altimeter is:
49 - Your aircraft and an intruding traffic are both TCAS II equipped. Your TCAS can generate:
50 - A thermocouple type thermometer consists of:
51 - Given:E = electromotive force (emf) Tc = cold junction temperature Th = hot junction temperature K = constantThe relationship that applies to a thermocouple is:
52 - The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
53 - Without any external action, the axis of a free gyroscope is fixed with reference to:
54 - The principle of capacity gauges is based on the:
55 - CAS is obtained from IAS by correcting for the:
56 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
57 - During a deceleration phase at constant attitude, the control system of the artificial horizon results in the horizon bar indicating a
58 - Compared with a conventional gyro, a laser gyro:
59 - 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:
60 - An air data computer1. supplies the ground speed and the drift (angle)2. determines the total temperature and the true altitude3. receives the static pressure and the total pressure4. supplies the true airspeed to the inertial unit5. determines the Mach number, the outside (static) air temperature The combination regrouping all the correct statements is:
61 - The rate-of-turn is the:
62 - During the approach, the radio altimeter indicates 950 ft. This is:
63 - On a TCAS 2 (Traffic Collision Avoidance System) the preventive 'resolution advisory' (RA) is a 'resolution advisory':
64 - Below the tropopause, when descending at constant CAS:
65 - The TCAS II has inputs from the radio altimeter in order to:
66 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
67 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
68 - When being engaged, and without selecting a particular mode, an automatic pilot enables:
69 - At a low bank angle, the measurement of rate-of-turn actually consists in measuring the:
70 - A directional gyro is:1- a gyroscope free around two axis 2- a gyroscope free around one axis3- capable of self-orientation around an earth-tied direction 4- incapable of self-orientation around an earth-tied directionThe 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.
71 - When climbing at a constant CAS in a standard atmosphere:
72 - A laser gyro consists of:
73 - The apparent wander of a directional gyro is 15°/h:
74 - The velocity of sound at the sea level in a standard atmosphere is:
75 - The magnetic heading can be derived from the true heading by means of a:
76 - If the static source of an altimeter becomes blocked during a descent the instrument will:
77 - A ring laser gyro can measure:
78 - A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail ...
79 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
80 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a proximate traffic is represented by:
81 - The spin axis of the turn indicator gyro is aligned along the:
82 - In An Air Data Computer (ADC), aeroplane altitude is calculated from:
83 - VNO is the maximum speed:
84 - The transmitter of RPM indicator may consist of:1- a magnetic sensor supplying an induced AC voltage 2- a DC generator supplying a DC voltage3- a single-phase AC generator supplying an AC voltage4- a three-phase AC generator supplying a three-phase voltage The combination regrouping all the correct statements is:
85 - If OAT increases when at a constant TAS:
86 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS 2 (Traffic Collision Avoidance System) generates a:
87 - A ground proximity warning system (GPWS), when mandatory installed on board an aircraft, must in all cases generate:
88 - Iron and brass are commonly used in bimetallic thermometers, because:
89 - 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:
90 - If the static source to an altimeter becomes blocked during a climb, the instrument will:
91 - The principle of the Mach indicator is based on the computation of the ratio:
92 - A "Bourdon tube" is used in:
93 - The gyromagnetic compass torque motor:
94 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
95 - The limits of the green scale of an airspeed indicator are:
96 - An aneroid capsule:1 - measures differential pressure 2 - measures absolute pressure3 - is used for low pressure measurement4 - is used for very high pressure measurementThe combination regrouping all the correct statements is:
97 - When, in flight, the needle and ball of a needle-and-ball indicator are on the right, the aircraft is:
98 - In the northern hemisphere, during the take-off run in an easterly direction, a direct reading magnetic compass indicates:
99 - Given:Zp = pressure altitude Zd = density altitudeCAS can be obtained from the following data:
100 - In the building principle of a gyroscope, the best efficiency is obtained through the concentration of the mass:
101 - In a turn at a constant angle of bank, the turn indicator reading is:
102 - Lights indicating the possible need for future corrective action must be:
103 - In the northern hemisphere, during deceleration following a landing in a northerly direction, a direct reading magnetic compass indicates:
104 - A synchroscope is used on aircraft to:
105 - A VMO-MMO warning device consists of an alarm connected to:
106 - The altitude alerting system:
107 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
108 - If an EPR is set at a constant barometric pressure, with an increasing OAT, the thrust
109 - The alignment sequence of an IRS consists of: 1 - searching for the local vertical2 - searching for the true north 3 - searching for the latitude4 - searching for the longitude5 - 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:
110 - When flying in cold air (colder than standard atmosphere), indicated altitude is:
111 - An autopilot system:
112 - A three-phase electrical tachometer consists of:
113 - The data supplied by a radio altimeter:
114 - 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:
115 - On the display of a TCAS 2 (Traffic alert and Collision Avoidance System), a resolution advisory (RA) is represented by:
116 - Parallax error is:
117 - In a steep turn, the northerly turning error on a magnetic compass on the northern hemisphere is:
118 - When engaged in the lateral navigation mode (LNAV) the autopilot uses:
119 - The QNH is by definition the value of the:
120 - A temperature sensor has a recovery factor of 0,95. The temperature measured is equal to:
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