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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 - TCAS II (Traffic Collision Avoidance System) uses for its operation:
2 - 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:
3 - Modern low altitude radio altimeters emit waves in the following frequency band:
4 - The principle of the TCAS (Traffic Collision Avoidance Systems) is based on the use of:
5 - The velocity maximum operating (V.M.O.) is a speed expressed in:
6 - 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:
7 - During a category III automatic approach, the position signals in the vertical plane under 200 ft are based on:
8 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
9 - 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:
10 - The spin axis of the turn indicator gyro is aligned along the:
11 - An inertial reference and navigation system is a "strapdown" system when:
12 - The Mach trim system allows to:
13 - The vertical speed indicator (VSI) is fed by:
14 - The QNH is by definition the value of the:
15 - The operating principle of the vertical speed indicator (VSI) is based on the measurement of the rate of change of:
16 - In a directional gyro, gimballing errors are due to:
17 - During deceleration following a landing in an easterly direction, a magnetic compass made for the southern hemisphere indicates:
18 - During deceleration following a landing in an easterly direction, a magnetic compass made for the northern hemisphere indicates:
19 - 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:
20 - 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:
21 - Concerning the flight warning system (FWS), advisory messages may be:
22 - The diagram representing a left turn with insufficient rudder is:
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23 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
24 - The speed of sound at the sea level in standard atmosphere is:
25 - Without any external action, the axis of a free gyroscope is fixed with reference to:
26 - The two main sources of information used to calculate turbojet thrust are the:
27 - During deceleration following a landing in a northerly direction, a magnetic compass made for the southern hemisphere indicates:
28 - The parameter that determines the relationship between EAS and TAS is:
29 - The magnetic heading can be derived from the true heading by means of a:
30 - The deviation of the magnetic compass is due to the action of:
31 - When, in flight, the needle of a needle-and-ball indicator is on the left and the ball on the right, the aircraft is:
32 - 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:
33 - Absolute pressure is:
34 - In case of accidental closing of an aircraft's left static pressure port (rain, birds), the altimeter:
35 - The purpose of an airplane automatic trim system is to trim out the hinge moment of the:
36 - 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:
37 - 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:
38 - The measurement of the turbine temperature or of the EGT is carried out at the:
39 - In a turn at a constant angle of bank, the turn indicator reading is:
40 - 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:
41 - Hard iron magnetism in aircraft may be caused by:
42 - At a low bank angle, the measurement of rate-of-turn actually consists in measuring the:
43 - During a climb, the total pressure probe of the airspeed indicator becomes blocked: If the pilot maintains a constant indicated airspeed, the true airspeed:
44 - If the GPWS (Ground Proximity Warning System) activates, and alerts the pilot with an aural warning 'DON'T SINK' (twice), it is because:
45 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
46 - Considering an airspeed indicator, a second striped needle, if installed, indicates:
47 - A "close traffic advisory" is displayed on the display device of the TCAS II (Traffic Collision Avoidance System) by:
48 - The airspeed indicator of a twin-engine aircraft comprises different sectors and colour marks. The blue line corresponds to the:
49 - On a TCAS2 (Traffic Collision Avoidance System), a corrective 'resolution advisory' (RA) is a 'resolution advisory':
50 - 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:
51 - 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:
52 - The altitude alerting system:
53 - The purpose of the vibrating device of an altimeter is to:
54 - The principle of a laser gyro is based on:
55 - Magnetic compass errors are:
56 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
57 - A thermocouple type thermometer consists of:
58 - Indication of Mach number is obtained from:
59 - A TCAS II (Traffic Collision Avoidance System) provides:
60 - Given: Pt = total pressure Ps = static pressure Dynamic pressure is:
61 - When compared with the volumetric fuel flowmeter, the mass fuel flowmeter takes into account the fuel:
62 - The limits of the yellow scale of an airspeed indicator are:
63 - The velocity of sound at the sea level in a standard atmosphere is:
64 - 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:
65 - The Decision Height (DH) warning light comes on when an aircraft:
66 - 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
67 - An autopilot system:
68 - The FMS Overfly function consists in:
69 - Equivalent Air Speed (EAS) is:
70 - For the same TAS, when pressure altitude decreases below the tropopause:
71 - 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?
72 - In the directional gyro the detection system of the local vertical feeds:
73 - 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:
74 - To indicate a temperature, a thermocouple requires:
75 - The initiation of an automatic go-around can be:
76 - 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:
77 - In the event of a conflict, the TCAS II (Traffic Collision alert and Avoidance System) presents warnings to the crew such as:
78 - True Air Speed (TAS) is equal to Equivalent Air Speed (EAS) only if:
79 - When flying in cold air (colder than standard atmosphere), indicated altitude is:
80 - 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...
81 - 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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82 - An airspeed indicator displays:
83 - In the northern hemisphere, during deceleration following a landing in a northerly direction, a direct reading magnetic compass indicates:
84 - On a modern aircraft, the flight director modes are displayed on the:
85 - The sequence of the automatic landing comprises several phases (from final approach to touch-down) actuated by:
86 - On the display of a TCAS II (Traffic alert and Collision Avoidance System), a proximate traffic is represented by:
87 - 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...
88 - Given:Zp = pressure altitude Zd = density altitudeCAS can be obtained from the following data:
89 - At flight level and mach number constant, if OAT decreases, the CAS:
90 - 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:
91 - An airplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
92 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
93 - 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:
94 - If the outside temperature at 35 000 feet is -40°C, the local speed of sound is:
95 - In a steep turn, the northerly turning error on a magnetic compass on the northern hemisphere is:
96 - The apparent wander of a directional gyro is 15°/h:
97 - Parallax error is:
98 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
99 - During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true:
100 - A ring laser gyro can measure:
101 - A pitot tube covered by ice which blocks the ram air inlet will affect the following instrument (s):
102 - Calibrated Air Speed (CAS) is obtained from Indicated Air Speed (IAS) by correcting for the:
103 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
104 - Concerning the directional gyro indicator, the latitude at which the apparent wander is equal to 0 is:
105 - When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a:
106 - The unit used to measure the capacitance of a capacitor is the:
107 - A temperature sensor has a recovery factor of 0,95. The temperature measured is equal to:
108 - Sound propagates through the air at a speed which only depends on:
109 - When turning into a desired radial, FD bars indicate:
110 - In the northern hemisphere, during the take-off run in an easterly direction, a direct reading magnetic compass indicates:
111 - 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:
112 - The principle of the Schuler pendulum is used in the design of a:
113 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
114 - During deceleration following a landing in a southerly direction, a magnetic compass made for the northern hemisphere indicates:
115 - When the intruding aircraft is equipped with a serviceable mode C transponder, the TCAS II (Traffic Collision Avoidance System) generates a:
116 - In the absence of position and instrument errors:
117 - The error in altimeter readings caused by the variation of the static pressure near the source is known as:
118 - Given: Pt = total pressure, Ps = static pressure, Pd = dynamic pressure
119 - In order to align an inertial reference system (IRS), it is required to insert the local geographical coordinates. This enables the IRS to:
120 - Given: E = electromotive force (emf), Tc = cold junction temperature, Th = hot junction temperature, K = constant. The relationship that applies to a thermocouple is:
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