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INST-SB-MODULE5
1.
An aircraft is equipped with an autopilot and an auto-throttle. When the altitude hold mode (ALT HOLD) is active:
a) the indicated airspeed (IAS) is maintained constant by the autopilot by means of elevator.
b) the indicated airspeed (IAS) is maintained constant by the auto-throttle system.
c) the true airspeed (TAS) is maintained constant by the auto-throttle system.
d) the true airspeed (TAS) is maintained constant by the autopilot by means of elevator.
2.
The two main sources of information used to calculate turbojet thrust are the:
a) fan rotation speed (or N1) or the EPR (Engine Pressure Ratio).
b) fan rotation speed (or N1) or the total pressure at the high pressure compressor outlet.
c) fan rotation speed (or N1) or the total pressure at the low pressure turbine outlet.
d) high pressure turbine rotation speed or the EPR (Engine Pressure Ratio).
3.
The operating principle of an "electronic" tachometer is to measure the:
a) frequency of the electric impulse created by a notched wheel rotating in a magnetic field.
b) electromotive force (EMF) produced by a dynamo or an alternator.
c) rotation speed of an asynchronous motor energized by an alternator.
d) magnetic field produced by a dynamo or an alternator.
4.
The operating principle of the "induction" type of tachometer is to measure the:
a) frequency of the electric impulse created by a notched wheel rotating in a magnetic field.
b) magnetic field produced by a dynamo or an alternator.
c) rotation speed of an asynchronous motor energized by an alternator.
d) electromotive force (EMF) produced by a dynamo or an alternator.
5.
A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail ...
a) soft.
b) operational.
c) hard.
d) passive.
6.
An automatic landing system necessitating that the landing be continued manually in the case of a system failure during an automatic approach is called "FAIL...."
a) "OPERATIONAL"
b) "PASSIVE"
c) "SAFE"
d) "REDUNDANT"
7.
The airplane outside air temperature "probe" measures the:
a) "total" air temperature minus kinetic heating effects in order to obtain the static temperature.
b) "total" air temperature minus compressibility effects in order to obtain the static temperature.
c) "static" air temperature minus kinetic heating effects in order to obtain the total temperature.
d) "static" air temperature minus compressibility effects in order to obtain the total temperature.
8.
When an aircraft, operating in the VOR coupled mode, approaches the "cone of confusion" over a VOR station, the roll channel of the autopilot:
a) remains always coupled to the selected VOR radial.
b) temporarily maintains a heading.
c) is temporarily disconnected.
d) is damped by a trim input signal from the lateral trim system.
9.
The control law of a transport airplane autopilot control channel may be defined as the relationship between the:
a) crew inputs to the computer and the detector responses (returned to the airplane).
b) input and output signals at the amplifier level respectively control deviation data and control deflection signals.
c) computer input deviation data and the output control deflection signals.
d) computer input deviation data and the signals received by the servoactuators.
10.
The basic principle of a capacitance fuel gauge system is that the:
a) capacity of a capacitor depends on the nature of the dielectric in which it is immersed.
b) capacity of a capacitor depends only on the density of the liquid on which it is immersed.
c) internal resistance of a capacity depends on the nature of the dielectric in which it is immersed.
d) electromotive force of a capacity depends on the nature of the dielectric in which it is immersed.
11.
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:
a) 10 hours.
b) 30 minutes.
c) 60 minutes.
d) 25 hours.
12.
The purpose of an airplane automatic trim system is to trim out the hinge moment of the:
a) elevator(s)
b) elevator(s) and rudder(s)
c) elevator(s), rudder(s) and ailerons.
d) rudder(s)
13.
If the tanks of your airplane only contain water, the capacitor gauges indicate:
a) a mass equal to zero.
b) the exact mass of water contained in the tanks.
c) a mass equal to the mass of a same volume of fuel.
d) a mass of water different from zero, but inaccurate.
14.
A pilot engages the control wheel steering (CWS) of a conventional autopilot and carries out a manoeuvre in roll. When the control wheel is released, the autopilot will:
a) roll wings level and maintain the heading obtained at that moment.
b) restore the flight attitude and the rate of turn selected on the autopilot control display unit.
c) maintain the track and the flight attitude obtained at that moment.
d) maintain the flight attitude obtained at that moment.
15.
The functions of an autopilot (basic modes) consist of:
a) guiding the airplane path.
b) stabilizing and monitoring the movement around the airplane centre of gravity.
c) stabilizing and monitoring the movement around the airplane aerodynamic centre.
d) monitoring the movement of the airplane centre of gravity.
16.
The "guidance" functions of a autopilot consist in:
a) monitoring the movements of the aerodynamic centre in the three dimensions of space.
b) stabilizing and monitoring the movements around the centre of gravity.
c) stabilizing and monitoring the movements around the aerodynamic centre.
d) monitoring the movements of the centre of gravity in the three dimensions of space.
17.
The command bars of a flight director are generally represented on an:
a) RMI (Radio Magnetic Indicator)
b) ADI (Attitude Director Indicator)
c) HSI (Horizontal Situation Indicator)
d) ILS (Instrument Landing System)
18.
An autopilot capable of holding at least altitude and heading mode is compulsory:
a) on multi-pilot airplanes.
b) for IFR or night flights with only one pilot.
c) on airplanes over 5.7 t.
d) for VFR and IFR flights with only one pilot.
19.
An airplane is in steady cruise at flight level 290. The auto-throttle maintains a constant Mach number. If the total temperature increases, the calibrated airspeed:
a) increases.
b) increases if the static temperature is higher than the standard temperature, decreases if lower.
c) remains constant.
d) decreases.
20.
An airplane is in steady cruise at flight level 290. The auto-throttle maintains a constant Mach number. If the total temperature decreases, the calibrated airspeed:
a) decreases.
b) remains constant.
c) decreases if the outside temperature is lower than the standard temperature, increases if higher.
d) increases.
21.
A TCAS 2 (Traffic Collision Avoidance System) provides:
a) a simple intruding airplane proximity warning.
b) the intruder relative position and possibly an indication of a collision avoidance manoeuvre within the vertical plane only.
c) the intruder relative position and possibly an indication of a collision avoidance manoeuvre within the horizontal plane only.
d) the intruder relative position and possibly an indication of a collision avoidance manoeuvre within both the vertical and horizontal planes.
22.
The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
a) a differential capsule.
b) a bellows sensor.
c) a Bourdon tube.
d) an aneroid capsule.
23.
A millivoltmeter measuring the electromotive force between the "hot junction" and the "cold junction" of a thermocouple can be directly graduated in temperature values provided that the temperature of the:
a) hot junction is maintained constant.
b) cold junction is maintained constant.
c) hot junction is maintained at 15 °C.
d) cold junction is maintained at 15 °C.
24.
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:
a) twice that of air and varies inversely with density.
b) twice that of air and varies directly with density.
c) the same as that of air and varies directly with density.
d) the same as that of air and varies inversely with density.
25.
When compared with the volumetric fuel flowmeter, the mass fuel flowmeter takes into account the fuel:
a) temperature.
b) pressure.
c) turbulent flow in the line.
d) density.
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