Vayudoot Aviation

1.
A closed loop control system in which a small power input controls a much larger power output in a strictly proportionate manner is known as

a servomechanism

an amplifier

a feedback control circuit.

an autopilot.

2.
The limits of the green scale of an airspeed indicator are

VS0 for the lower limit and VNO for the upper limit

VS1 for the lower limit and VLO for the upper limit

VS1 for the lower limit and VNE for the upper limit

VS1 for the lower limit and VNO for the upper limit

3.
The vertical speed indicator (VSI) is fed by

total pressure

dynamic pressure

differential pressure

static pressure

4.
When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a

""traffic advisory"" and vertical ""resolution advisory"".

""traffic advisory"" only

""traffic advisory"" and horizontal ""resolution advisory"".

""traffic advisory"", vertical and horizontal ""resolution advisory"".

5.
The computers of the electrical flight controls system comply with programs defined by attitude control laws such as :1- on the longitudinal axis, the law may combine the load factor and the changes in the pitch rate as control data sources2- the trimming is automatic and ensures neutral stability3- the protections apply to pitch and bank attitudes depending on the speed4- these laws do not apply to the whole flight envelope The combination regrouping all the correct statements is

1, 2, 3

1, 3, 4

1, 2, 3, 4

2, 3

6.
During an automatic landing, from a height of about 50 ft the

autopilot maintains a vertical speed depending on the radio altimeter height

Loc and Glideslope modes are disconnected and the airplane carries on its descent until landing

autopilot maintains an angle of attack depending on the radio altimeter height

glideslope mode is disconnected and the airplane continues its descent until landing

7.
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

WHOOP WHOOP PULL UP repetitive only

DON'T SINK followed by WHOOP WHOOP PULL UP if the sink rate overshoots a second level

DON'T SINK always followed by WHOOP WHOOP PULL UP

DON'T SINK repetitive only

8.
The stall warning system receives information about the :1- airplane angle of attack2- airplane speed3- airplane bank angle4- airplane configuration5- load factor on the airplaneThe combination regrouping all the correct statements is

1, 2, 3, 4, 5

2, 3, 4, 5

1, 3, 5

1, 4

9.
If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will

under-read

continue to indicate the speed applicable to that at the time of the blockage

over-read

read zero

10.
The purpose of an airplane automatic trim system is to trim out the hinge moment of the

elevator(s)

elevator(s) and rudder(s)

rudder(s)

elevator(s), rudder(s) and ailerons.

11.
In the building principle of a gyroscope, the best efficiency is obtained through the concentration of the mass

close to the axis and with a low rotation speed

on the periphery and with a high rotation speed

on the periphery and with a low rotation speed

close to the axis and with a high rotation speed.

12.
The GPWS (Ground Proximity Warning System) is active for a height range from

0 ft to 5 000 ft measured by the radio altimeter

50 ft to 5 000 ft measured by the radio altimeter

50 ft to 2 500 ft measured by the radio altimeter

0 ft to 2 500 ft measured by the radio altimeter

13.
In a transport airplane, an autopilot comprises, in addition to the mode display devices, the following fundamental elements :1- Airflow valve2- Sensors3- Comparators4- Computers5- Amplifiers6- Servo-actuatorsThe combination regrouping all the correct statements is

1, 2, 6

1, 3, 4, 6

2, 3, 4, 5, 6

2, 3, 4, 5

14.
On a TCAS2 (Traffic Collision Avoidance System), a corrective ""resolution advisory"" (RA) is a ""resolution advisory""

asking the pilot to modify the heading of his aircraft.

asking the pilot to modify effectively the vertical speed of his aircraft

which does not require any action from the pilot but on the contrary asks him not to modify

asking the pilot to modify the speed of his aircraft

15.
The quadrantal deviation of a magnetic compass is corrected by using

soft iron pieces

hard iron pieces

magnetized needles

pairs of permanent magnets

16.
According to the JAR-OPS regulations, the Cockpit Voice Recorder of a 50 seat multi-engined aircraft, having been granted an airworthiness certificate after 1st April 1998, shall start recording

From the first radio contact with Air Traffic Control until radio shutdown after the flight

Automatically when the wheels leave the ground until the moment when the wheels touch the ground again

Automatically prior to the aircraft moving under its own power until flight completion when the aircraft is no longer able to move under its own power

When the pilot selects the ""CVR: ON"" during engine start until the pilot selects the ""CVR: OFF"" during the engine shut down.

17.
A turn indicator is an instrument which indicates rate of turn.Rate of turn depends upon :1 : bank angle2 : aeroplane speed3 : aeroplane weightThe combination regrouping the correct statements is

1, 2, and 3.

1 and 2.

1 and 3.

2 and 3.

18.
A flux valve senses the changes in orientation of the horizontal component of the earth's magnetic field.1- the flux valve is made of a pair of soft iron bars2- the primary coils are fed A.C. voltage (usually 487.5 Hz)3- the information can be used by a ""flux gate"" compass or a directional gyro4- the flux gate valve casing is dependent on the aircraft three inertial axis5- the accuracy on the value of the magnetic field indication is less than 0,5%Which of the following combinations contains all of the correct statements?

2002-03-05

1 - 3 - 4 - 5

05-Mar

2001-04-05

19.
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 number2- the autothrottles in the climb mode at a constant calibrated airspeed (CAS) or Mach number3- the autopilot pitch channel in the altitude or glide path holding mode4- the autothrottles in the altitude or glide path holding modeThe combination regrouping all the correct statements is

1 and 3.

2 and 3.

2 and 4.

1 and 4.

20.
In a Turn-indicator, the measurement of rate-of-turn consists for

high bank angles,in measuring the yaw rate

low bank angles, in measuring the yaw rate

high bank angles, in measuring the roll rate

low bank angles , in measuring the roll rate

21.
In an auto-pilot slaved powered control circuit, the system which ensures synchronisation

intervenes only when the automatic pilot has been engaged

prevents uncommanded surface deflection when the automatic pilot is disengaged

is inhibited when the automatic pilot is engaged.

can itself, when it fails, prevent the automatic pilot from being engaged

22.
The calculator combined with the stick shaker system of a modern transport airplane receives information about the: 1- angle of attack2- engine R.P.M.3- configuration4- pitch and bank attitude5- sideslipThe combination regrouping all the correct statements is

1, 2, 3 and 4.

1 and 5.

1, 2, 3, 4 and 5.

1 and 3.

23.
The TCAS (Traffic Collision Avoidance System) gives avoidance resolutions

based on speed control

only in the horizontal plane

in horizontal and vertical planes

only in the vertical plane

24.
Concerning the TCAS (Traffic Collision Avoidance System)

In one of the system modes, the warning : ""TOO LOW TERRAIN"" is generated

Resolution Advisory (RA) must not be followed without obtaining clearance from ATC

No protection is available against aircraft not equipped with a serviceable SSR transponder

In one of the system modes, the warning : ""PULL UP"" is generated

25.
Sound propagates through the air at a speed which only depends on

temperature.

pressure.

density.

temperature and the pressure.

26.
The essential components of a flight director are :1- a computer2- an automatic pilot3- an autothrottle4- command barsThe combination of correct statements is

1,4

1,2

2,3

2,4

27.
The two main sources of information used to calculate turbojet thrust are the

fan rotation speed (or N1) or the EPR (Engine Pressure Ratio).

fan rotation speed (or N1) or the total pressure at the low pressure turbine outlet

fan rotation speed (or N1) or the total pressure at the high pressure compressor outlet.

high pressure turbine rotation speed or the EPR (Engine Pressure Ratio).

28.
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

200°

160°

190°

170°

29.
The primary factor which makes the servo-assisted altimeter more accurate than the simple pressure altimeter is the use of

more effective temperature compensating leaf springs

combination of counters/pointers

an induction pick-off device

a sub-scale logarithmic function

30.
Heading information from the gyromagnetic compass flux gate is transmitted to the

amplifier

heading indicator

erecting system

error detector

31.
If the static source of an altimeter becomes blocked during a descent the instrument will

continue to display the reading at which the blockage occured

gradually indicate zero

under-read

indicate a height equivalent to the setting on the millibar subscale

32.
An airplane is in steady cruise at flight level 290. The autothrottle maintains a constant Mach number. If the total temperature increases, the calibrated airspeed

remains constant

increases if the static temperature is higher than the standard temperature, decreases if lower.

decreases.

increases.

33.
The magnetic heading can be derived from the true heading by means of a

map showing the isoclinic lines

compass swinging curve

deviation correction curve

map showing the isogonal lines

34.
The flight director indicates the

path permitting reaching a selected radial over a minimum distance

path permitting reaching a selected radial in minimum time

optimum instantaneous path to reach selected radial

optimum path at the moment it is entered to reach a selected radial.

35.
When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon

too much nose-up and bank correct

too much nose-up and bank too high

too much nose-up and bank too low

attitude and bank correct

36.
The yaw damper indicator supplies the pilot with information regarding the

yaw damper action only on the ground

rudder displacement by the rudder pedals

yaw damper action on the rudder

rudder position

37.
An automatic pilot is a system which can ensure the functions of

piloting from take-off to landing without any action from the human pilot.

navigation.

piloting and guidance of an aircraft in both the horizontal and vertical planes.

piloting only.

38.
An aircraft is flying at a 120 kt true airspeed (VV), in order to achieve a rate 1 turn, the pilot will have to bank the aircraft at an angle of

30°.

12°.

18°.

36°.

39.
The angle of attack transmitters placed laterally on the forward part of the fuselage supply an electrical signal indicating:1- the angular position of a wind vane2- a differential pressure in a probe, depending on the variation of the angle of attack3- a differential pressure in a probe, depending on the variation of the speedThe combination regrouping all the correct statements is

1, 2, 3.

1, 2.

1, 3.

2, 3.

40.
The pressure altitude is the altitude corresponding

in standard atmosphere, to the pressure Ps prevailing at this point

in ambiant atmosphere, to the pressure Ps prevailing at this point

in ambiant atmosphere, to the reference pressure Ps

in standard atmosphere, to the reference pressure Ps

41.
An airplane is in steady descent. The autothrottle maintains a constant Mach number. If the total temperature remains constant, the calibrated airspeed

decreases if the static temperature is lower than the standard temperature, increases if above.

decreases.

increases.

remains constant

42.
A slaved directional gyro derives it's directional signal from

the air-data-computer.

a direct reading magnetic compass

the flight director

the flux valve.

43.
Considering the maximum operational Mach number (MMO) and the maximum operational speed (VMO), the captain of a pressurized aircraft begins his descent from a high flight level. In order to meet his scheduled time of arrival, he decides to use the maximum ground speed at any time of the descent. He will be limited

initially by theVMO, then by the MMO below a certain flight level

by the VMO in still air

by the MMO

initially by the MMO, then by the VMO below a certain flight level

44.
The command functions of an autopilot include, among others, the holding of :1- vertical speed2- altitude3- attitude4- bank5- headingThe combination which regroups all of the correct statements is

2002-03-04

05-Mar

2001-02-05

1 - 2 - 3 - 5

45.
The aircraft radio equipment which emits on a frequency of 4400 MHz is the

radio altimeter

high altitude radio altimeter

primary radar

weather radar.

46.
During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true

height of the aircraft with regard to the ground at any time.

height of the aircraft with regard to the runway

height of the lowest wheels with regard to the ground at any time.

altitude of the aircraft

47.
A cockpit voice recorder (CVR) will record :1. the information exchanged by the cabin crew2. the conversations between the crew members and voice communications transmitted from or received on the flight deck by radio3. the announcements made via the public address even if it has not been selected4. the conversations and alarms audible in the cockpit5. the captain conversations onlyThe combination regrouping all the correct statements is

1, 5

2, 4

3, 4

1, 2

48.
In the Southern hemisphere, during deceleration following a landing in a Westerly direction, the magnetic compass will indicate

a heading fluctuating about 270°.

an apparent turn to the South

an apparent turn to the North.

no apparent turn

49.
The density altitude is

the altitude of the standard atmosphere on which the density is equal to the actual density of the atmosphere

the temperature altitude corrected for the difference between the real temperature and the standard temperature

the pressure altitude corrected for the density of air at this point

the pressure altitude corrected for the relative density prevailing at this point

50.
When descending through an isothermal layer at a constant Calibrated Airspeed (CAS), the True Airspeed (TAS) will

increase at a linear rate

remain constant

decrease

increase at an exponential rate

Question Bank

Questions for INDIGO INSTRUMENTS (1117-1427)

A closed loop control system in which a small power input controls a much larger power output in a strictly proportionate manner is known as

The limits of the green scale of an airspeed indicator are

The vertical speed indicator (VSI) is fed by

When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a

During an automatic landing, from a height of about 50 ft the

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

The stall warning system receives information about the :1- airplane angle of attack2- airplane speed3- airplane bank angle4- airplane configuration5- load factor on the airplaneThe combination regrouping all the correct statements is

If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will

The purpose of an airplane automatic trim system is to trim out the hinge moment of the

In the building principle of a gyroscope, the best efficiency is obtained through the concentration of the mass

The GPWS (Ground Proximity Warning System) is active for a height range from

In a transport airplane, an autopilot comprises, in addition to the mode display devices, the following fundamental elements :1- Airflow valve2- Sensors3- Comparators4- Computers5- Amplifiers6- Servo-actuatorsThe combination regrouping all the correct statements is

On a TCAS2 (Traffic Collision Avoidance System), a corrective ""resolution advisory"" (RA) is a ""resolution advisory""

The quadrantal deviation of a magnetic compass is corrected by using

According to the JAR-OPS regulations, the Cockpit Voice Recorder of a 50 seat multi-engined aircraft, having been granted an airworthiness certificate after 1st April 1998, shall start recording

A turn indicator is an instrument which indicates rate of turn.Rate of turn depends upon :1 : bank angle2 : aeroplane speed3 : aeroplane weightThe combination regrouping the correct statements is

In a Turn-indicator, the measurement of rate-of-turn consists for

In an auto-pilot slaved powered control circuit, the system which ensures synchronisation

The calculator combined with the stick shaker system of a modern transport airplane receives information about the: 1- angle of attack2- engine R.P.M.3- configuration4- pitch and bank attitude5- sideslipThe combination regrouping all the correct statements is

The TCAS (Traffic Collision Avoidance System) gives avoidance resolutions

Concerning the TCAS (Traffic Collision Avoidance System)

Sound propagates through the air at a speed which only depends on

The essential components of a flight director are :1- a computer2- an automatic pilot3- an autothrottle4- command barsThe combination of correct statements is

The two main sources of information used to calculate turbojet thrust are the

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

The primary factor which makes the servo-assisted altimeter more accurate than the simple pressure altimeter is the use of

Heading information from the gyromagnetic compass flux gate is transmitted to the

If the static source of an altimeter becomes blocked during a descent the instrument will

An airplane is in steady cruise at flight level 290. The autothrottle maintains a constant Mach number. If the total temperature increases, the calibrated airspeed

The magnetic heading can be derived from the true heading by means of a

The flight director indicates the

When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon

The yaw damper indicator supplies the pilot with information regarding the

An automatic pilot is a system which can ensure the functions of

An aircraft is flying at a 120 kt true airspeed (VV), in order to achieve a rate 1 turn, the pilot will have to bank the aircraft at an angle of

The pressure altitude is the altitude corresponding

An airplane is in steady descent. The autothrottle maintains a constant Mach number. If the total temperature remains constant, the calibrated airspeed

A slaved directional gyro derives it's directional signal from

The command functions of an autopilot include, among others, the holding of :1- vertical speed2- altitude3- attitude4- bank5- headingThe combination which regroups all of the correct statements is

The aircraft radio equipment which emits on a frequency of 4400 MHz is the

During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true

In the Southern hemisphere, during deceleration following a landing in a Westerly direction, the magnetic compass will indicate

The density altitude is

When descending through an isothermal layer at a constant Calibrated Airspeed (CAS), the True Airspeed (TAS) will