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INST-BNC TOTAL THEORY-MODULE5
1.
When required, the ground proximity warning system (GPWS) must automatically provide distinctive warning to the flight crew of: 1 - impeding stall 2 - excessive sink rate 3 - altitude loss after take-off or go-around 4 - incorrect landing configuration 5 - dangerous ground proximity 6 - downward glide-slope deviation The combination regrouping all the correct statements is:
a) 1, 4, 5, 6.
b) 1, 2, 4, 5.
c) 3, 5, 6.
d) 2, 3, 4, 5, 6.
2.
The range of a low altitude radio altimeter is:
a) greater than 10 000 ft.
b) 2 500 ft.
c) 500 ft.
d) 10 000 ft.
3.
An "altitude warning system" must at least warn the crew: 1- when approaching the pre-selected altitude 2- when the airplane is approaching the ground too fast 3- in case of a given deviation above or below the pre-selected altitude (at least by an aural warning) 4- in case of excessive vertical speed 5- when approaching the ground with the gear retracted The combination regrouping all the correct statements is:
a) 2, 4, 5
b) 1, 3
c) 1, 2, 3, 4, 5
d) 1, 3, 4
4.
An aircraft is equipped with an autopilot and an auto-throttle. When the altitude hold mode (ALT HOLD) is active:
a) the true airspeed (TAS) is maintained constant by the auto-throttle system.
b) the true airspeed (TAS) is maintained constant by the autopilot by means of elevator.
c) the indicated airspeed (IAS) is maintained constant by the auto-throttle system.
d) the indicated airspeed (IAS) is maintained constant by the autopilot by means of elevator.
5.
In a 3-phase synchronous motor type tachometer indicator: 1- the transmitter is a direct current generator 2- the voltage is proportional to the transmitter drive speed 3- the frequency is proportional to the transmitter drive speed 4- the speed indicating element is a galvanometer 5. the speed indicating element is an asynchronous motor driving a magnetic tachometer The combination regrouping all the correct statements is:
a) 2, 5
b) 3, 5
c) 1, 4
d) 1, 2
6.
A Full Authority Digital Engine Control (FADEC) has the following functions: 1- flow regulation (fuel, decelerations and accelerations monitoring) 2- automatic starting sequence 3- transmissions of engine data to the pilot's instruments 4- thrust management and protection of operation limits 5- monitoring of the thrust reversers The combination regrouping all the correct statements is:
a) 1, 3, 4, 5
b) 1, 3, 5
c) 2, 4, 5
d) 1, 2, 3, 4, 5
7.
The "guidance" functions of a autopilot consist in:
a) stabilizing and monitoring the movements around the centre of gravity.
b) monitoring the movements of the aerodynamic centre in the three dimensions of space.
c) monitoring the movements of the centre of gravity in the three dimensions of space.
d) stabilizing and monitoring the movements around the aerodynamic centre.
8.
The inertia properties of a gyroscope are: 1. fixity in the absolute space 2. nutation 3. gyroscopic precession 4. drift 5. gyroscopic torque The combination regrouping all the correct statements is:
a) 1, 2, 3
b) 1, 3, 5
c) 1, 2, 4
d) 2, 3, 5
9.
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 directly with density.
b) the same as that of air and varies directly with density.
c) the same as that of air and varies inversely with density.
d) twice that of air and varies inversely with density.
10.
If the tanks of your airplane only contain water, the capacitor gauges indicate:
a) a mass equal to the mass of a same volume of fuel.
b) a mass equal to zero.
c) the exact mass of water contained in the tanks.
d) a mass of water different from zero, but inaccurate.
11.
The airplane outside air temperature "probe" measures the:
a) "total" air temperature minus kinetic heating effects in order to obtain the static temperature.
b) "static" air temperature minus kinetic heating effects in order to obtain the total temperature.
c) "static" air temperature minus compressibility effects in order to obtain the total temperature.
d) "total" air temperature minus compressibility effects in order to obtain the static temperature.
12.
The calibrated airspeed (CAS) or Mach holding mode is carried out by: 1- the autopilot pitch channel in the climb mode at a constant calibrated airspeed (CAS) or Mach number 2- the auto-throttles in the climb mode at a constant calibrated airspeed (CAS) or Mach number 3- the autopilot pitch channel in the altitude or glide path holding mode 4- the auto-throttles in the altitude or glide path holding mode The combination regrouping all the correct statements is:
a) 2 and 3.
b) 1 and 4.
c) 2 and 4.
d) 1 and 3.
13.
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) is temporarily disconnected.
c) is damped by a trim input signal from the lateral trim system.
d) temporarily maintains a heading.
14.
In an inertial reference system (IRS), the alignment sequence consists in: 1 - search and alignment on the local vertical 2 - search for the true North 3 - definition of the latitude 4 - definition of the longitude The combination regrouping all the correct statements is:
a) 1, 2, 3.
b) 3, 4.
c) 1, 2, 3, 4.
d) 1, 2, 4.
15.
The TCAS 2 data display devices can be in the form of: 1- a specific dedicated screen 2- a screen combined with the weather radar 3- a variometer represented on a liquid crystal screen which allows the display of Traffic Advisory (TA) and Resolution Advisory (RA) 4- an EFIS (Electronic Flight Instrument System) screen The combination regrouping all the correct statements is:
a) 1 and 3.
b) 1, 2, 3 and 4.
c) 1, 2 and 3.
d) 3 and 4.
16.
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) 25 hours.
b) 10 hours.
c) 30 minutes.
d) 60 minutes.
17.
Among the following functions of an autopilot, those related to the airplane guidance are: 1- pitch attitude holding 2- horizontal wing holding 3- indicated airspeed or Mach number holding 4- altitude holding 5- VOR axis holding 6- yaw damping The combination regrouping all the correct statements is:
a) 3, 4, 5.
b) 1, 2, 3, 6.
c) 1, 3, 4, 5.
d) 1, 2, 6.
18.
The basic principle of a capacitance fuel gauge system is that the:
a) internal resistance of a capacity depends on the nature of the dielectric in which it is immersed.
b) capacity of a capacitor depends on the nature of the dielectric in which it is immersed.
c) capacity of a capacitor depends only on the density of the liquid on which it is immersed.
d) electromotive force of a capacity depends on the nature of the dielectric in which it is immersed.
19.
The control law of a transport airplane autopilot control channel may be defined as the relationship between the:
a) input and output signals at the amplifier level respectively control deviation data and control deflection signals.
b) computer input deviation data and the output control deflection signals.
c) crew inputs to the computer and the detector responses (returned to the airplane).
d) computer input deviation data and the signals received by the servoactuators.
20.
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:
a) 2 and 5
b) 2, 3 and 4
c) 1 and 2
d) 3, 4 and 5
21.
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:
a) 2, 4
b) 1, 4
c) 1, 2
d) 1, 2, 3, 4
22.
The command bars of a flight director are generally represented on an:
a) ADI (Attitude Director Indicator)
b) RMI (Radio Magnetic Indicator)
c) HSI (Horizontal Situation Indicator)
d) ILS (Instrument Landing System)
23.
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) remains constant.
b) decreases.
c) increases.
d) increases if the static temperature is higher than the standard temperature, decreases if lower.
24.
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 at 15 °C.
b) cold junction is maintained at 15 °C.
c) cold junction is maintained constant.
d) hot junction is maintained constant.
25.
The auto-throttle: 1- enable to catch and to maintain the N1 RPM 2- enable to catch and to maintain the N2 RPM 3- enable to catch and to maintain an airplane indicated airspeed (IAS) 4- is always engaged automatically at the same time as the autopilot The combination regrouping all the correct statements is:
a) 1, 3 and 4
b) 1 and 4
c) 1 and 3
d) 2 and 3
26.
The advantages of an "electric" fuel (float) gauge are: 1- easy construction 2- independence of indications with regard to airplane attitude 3- independence of indications with regard to the accelerations 4- independence of indications with regard to temperature variations 5- independence of indications with regard to vibrations The combination regrouping all the correct statements is:
a) 1
b) 2, 3, 4, 5
c) 1, 2, 3, 4, 5
d) 2, 3, 4
27.
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) "SAFE"
b) "PASSIVE"
c) "REDUNDANT"
d) "OPERATIONAL"
28.
The calculator combined with the stick shaker system of a modern transport airplane receives information about the: 1- angle of attack 2- engine R.P.M. 3- configuration 4- pitch and bank attitude 5- sideslip The combination regrouping all the correct statements is:
a) 1 and 5.
b) 1 and 3.
c) 1, 2, 3 and 4.
d) 1, 2, 3, 4 and 5.
29.
The requirement to carry a GPWS (Ground Proximity Warning System) concerns aeroplanes which are, depending on their age, weight and passenger capacity: 1- turboprop-powered 2- piston-powered 3- jet-powered The combination regrouping all the correct statements is:
a) 1, 2, 3
b) 1
c) 1, 3
d) 3
30.
The automatic power control system (auto-throttle) of a transport airplane has the following mode(s): 1- capture and holding of speeds 2- capture and holding of Mach number 3- capture and holding of flight angle of attack 4- capture and holding of N1 or EPR (Engine Power Ratio) 5- capture and holding of flight paths The combination regrouping all the correct statements is:
a) 1, 4, 5
b) 1, 2, 4
c) 1, 2, 3, 5
d) 2, 4
31.
The operating principle of the "induction" type of tachometer is to measure the:
a) rotation speed of an asynchronous motor energized by an alternator.
b) electromotive force (EMF) produced by a dynamo or an alternator.
c) magnetic field produced by a dynamo or an alternator.
d) frequency of the electric impulse created by a notched wheel rotating in a magnetic field.
32.
The operating principle of an "electronic" tachometer is to measure the:
a) electromotive force (EMF) produced by a dynamo or an alternator.
b) rotation speed of an asynchronous motor energized by an alternator.
c) frequency of the electric impulse created by a notched wheel rotating in a magnetic field.
d) magnetic field produced by a dynamo or an alternator.
33.
The automatic synchronisation function of an autopilot control system: 1 - operates only when the autopilot is engaged 2 - prevents the aircraft's control system from jerking when disengaging the autopilot 3 - enables the cancellation of the rudder control signals 4 - prevents the aircraft's control system from jerking when engaging the autopilot The combination regrouping all the correct statements is:
a) 1, 2, 4.
b) 4
c) 1, 4.
d) 1, 2.
34.
An angle of attack sensor may consist of: 1 - an inertial system computing the difference between flight path and flight attitude 2 - a conical slotted probe which positions itself to determine the angle of attack 3 - a vane detector which positions the rotor of a synchro The combination regrouping all the correct statements is:
a) 1, 3.
b) 2, 3.
c) 1, 2, 3.
d) 1, 2.
35.
The functions of an autopilot (basic modes) consist of:
a) stabilizing and monitoring the movement around the airplane aerodynamic centre.
b) guiding the airplane path.
c) monitoring the movement of the airplane centre of gravity.
d) stabilizing and monitoring the movement around the airplane centre of gravity.
36.
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)
37.
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) maintain the track and the flight attitude obtained at that moment.
c) maintain the flight attitude obtained at that moment.
d) restore the flight attitude and the rate of turn selected on the autopilot control display unit.
38.
The electric float gauge: 1 - gives a mass information; 2 - gives information independent of aircraft's manoeuvres and attitude changes; 3 - gives information all the more accurate as the tank is full; 4 - is typically a DC powered system. The combination regrouping all the correct statements is:
a) 4
b) 1
c) 1, 2, 3, 4.
d) 1, 3, 4.
39.
When compared with the volumetric fuel flowmeter, the mass fuel flowmeter takes into account the fuel:
a) density.
b) pressure.
c) turbulent flow in the line.
d) temperature.
40.
A TCAS 2 (Traffic Collision Avoidance System) provides:
a) the intruder relative position and possibly an indication of a collision avoidance manoeuvre within both the vertical and horizontal planes.
b) the intruder relative position and possibly an indication of a collision avoidance manoeuvre within the vertical plane only.
c) a simple intruding airplane proximity warning.
d) the intruder relative position and possibly an indication of a collision avoidance manoeuvre within the horizontal plane only.
41.
A flight control system which can, in the event of a failure, complete automatically the approach, flare and landing is called fail ...
a) operational.
b) passive.
c) soft.
d) hard.
42.
An autopilot capable of holding at least altitude and heading mode is compulsory:
a) for VFR and IFR flights with only one pilot.
b) on airplanes over 5.7 t.
c) on multi-pilot airplanes.
d) for IFR or night flights with only one pilot.
43.
The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
a) an aneroid capsule.
b) a Bourdon tube.
c) a differential capsule.
d) a bellows sensor.
44.
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) decreases if the outside temperature is lower than the standard temperature, increases if higher.
c) remains constant.
d) increases.
45.
When using the autopilot, the function of the pitch channel automatic trim is to: 1- cancel the hinge moment of the elevator 2- ease as much as possible the load of the servo-actuator 3- restore to the pilot a correctly trimmed airplane during the autopilot disengagement The combination regrouping all the correct statements is:
a) 1 and 2.
b) 1, 2 and 3.
c) 3
d) 1 and 3.
46.
The mode selector of an inertial unit comprises the OFF - STBY - ALIGN - NAV - ATT positions: 1 - on "STBY", the unit aligns on the local geographic trihedron; 2 - the "ATT" position is used in automatic landing (mode LAND); 3 - on "NAV" the coordinates of the start position can be entered; 4 - the platform is levelled before azimuth alignment; 5 - in cruise, the unit can only be used in "NAV" mode. The combination regrouping all the correct statements is:
a) 1, 3, 5.
b) 1, 2, 4.
c) 2, 5.
d) 4
47.
In a transport airplane, an autopilot comprises, in addition to the mode display devices, the following fundamental elements: 1- Airflow valve 2- Sensors 3- Comparators 4- Computers 5- Amplifiers 6- Servo-actuators The combination regrouping all the correct statements is:
a) 2, 3, 4, 5
b) 1, 3, 4, 6
c) 1, 2, 6
d) 2, 3, 4, 5, 6
48.
The disadvantages of an "electric" fuel (float) gauge are: 1- the design is complex 2- the indications are influenced by the airplane attitude variations 3- the indications are influenced by the accelerations 4- the indications are influenced by temperature variations 5- that an alternative current supply is necessary The combination regrouping all the correct statements is:
a) 1
b) 1, 2, 3, 4
c) 2, 3, 4, 5
d) 2, 3, 4
49.
The two main sources of information used to calculate turbojet thrust are the:
a) high pressure turbine rotation speed or the EPR (Engine Pressure Ratio).
b) fan rotation speed (or N1) or the total pressure at the low pressure turbine outlet.
c) fan rotation speed (or N1) or the EPR (Engine Pressure Ratio).
d) fan rotation speed (or N1) or the total pressure at the high pressure compressor outlet.
50.
Among the following functions of an autopilot, those related to the airplane stabilization are: 1- pitch attitude holding 2- horizontal wing holding 3- displayed heading or inertial track holding 4- indicated airspeed or Mach number holding 5- yaw damping 6- VOR axis holding The combination regrouping all the correct statements is:
a) 2, 4, 5.
b) 1, 2, 5.
c) 3, 4, 5, 6.
d) 1, 2.
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