Vayudoot Aviation

1. In the ILS mode, one dot on the lateral deviation scale on the EHSI indicates

2°

1°

2 nm

1 nm

2. A compass swing is used to

align compass north with true north

get true north and the lubber line aligned

align compass north with magnetic north

align magnetic north with true north

3. Regarding magnetism; which of the following statements is correct? i lines of flux run from blue pole to red pole ii like poles repel iii unlike poles repel iv like poles attract v unlike poles attract

ii v

i iii iv

i iii v

i ii v

4. An aircraft in the northern hemisphere lands and decelerates on a westerly heading. The compass will indicate

a turn north

no turn will be indicated

an oscillation

a turn south

5. If a constant CAS is maintained under normal conditions in the climb what happens to the Mach No?

it will decrease

it will increase

it will decrease in an isothermal layer

it will remain constant

6. The output of a double integration N/S is

distance

departure

velocity

longitude

7. What does the white arc on a temperature scale indicate?

normal operating temperature

maximum start and acceleration temperature

minimum temperature

never exceed

8. The rate of turn indicator is a very useful gyroscopic instrument. When used in conjunction with the Attitude Indicator it provides

rate of climb

rate of turn athwartships

rate of turn about the yaw axis

angle of bank

9. The true altitude of an aircraft in flight is shown from

density altitude

temperature altitude

pressure altitude

the standard atmosphere

10. What is the speed of sound at 30,000 ft and -40°C?

562 kt

595 kt

661 kt

590 kt

11. Which of the following correctly describes the gyroscope of a Rate of Turn Indicator? i 1 degree of freedom ii 2 degrees of freedom iii its frame is held by two springs iv its spin axis is parallel to the pitch axis v the spin axis is parallel to the yaw axis vi the spin axis is horizontal

i iii v

i iii vi

i ii

i iv v

12. The needle and ball of a Turn Indicator are both to the left of the datum. This indicates

a left turn with too much bank

a left turn with too little bank

a right turn with too much bank

a right turn with too little bank

13. A blockage occurs in the ram air source and the drain-hole. The ASI in a non-pressurised aircraft will

read a little high

freeze at zero

read a little low

act like an altimeter

14. What is Density Altitude?

pressure altitude corrected for the prevailing temperature

pressure altitude corrected for Total Air Temperature

the altitude in the International Standard Atmosphere at which the prevailing density would be found

temperature altitude

15. The errors associated with the Directional Indicator are: i earth rate ii transport wander iii banking when pitched up iv annual movement of the poles v mechanical problems

i ii iii iv v

i ii iii v

i ii iii

i ii iv v

16. On an EADI radio altitude is displayed

digitally between 2500 ft and 100 ft

as an analogue display between 2500 ft and 1000 ft and thereafter as a digital display

digitally between 2500 ft and 1000 ft and thereafter as an analogue/digital display

on an analogue scale below 2500 ft

17. A modern Radio Altimeter uses the frequency band

VHF 30 - 300 Mhz

UHF 300 Mhz - 3 Ghz

HF 3 Mhz - 30 Mhz

SHF 3000 Mhz - 30 Ghz

18. An inertial reference system is aligned when turned on so as to

establish true and magnetic north

establish position relative to true and magnetic north

calculate the computed trihedron with reference to the earth

establish magnetic north

19. In an IRS

the accelerometers are strapped down but the platform is gyro-stabilised

the platform is strapped down but the accelerometers are gyro-stabilised

accelerometers and gyros are both strapped down

accelerometers and gyros are both gyro-stabilised

20. Why must an autopilot be synchronised when you wish to disconnect?

to secure against abrupt changes in aircraft attitude

to allow automatic pitch trimming to reset

to allow for FD coupling

to ensure fail operational landings can continue safely

21. In which of the following modes may information from the AWR be displayed? ii expanded ILS iii map iv full nav v full ILS vi expanded nav vii full VOR viii expanded VOR ix centre map

i iii vii viii ix

ii iii vi viii ix

i ii iv vii

ii iii v vii ix

22. In a solid state gyroscope the purpose of the dither motor is to

stabilise the laser frequencies

enhance the acceleration of the gyro at all rotational rates

overcome laser lock

compensate for transport wander

23. If the TAS at 40,000 ft is 450 kt the Mach No is

0·76

0·815

0·783

0·825

24. Rate of turn is affected by: i aircraft speed ii angle of bank iii aircraft weight

none of the above

i iii

i ii

ii iii

25. Sound is propagated at a velocity which is dependent upon

temperature

density

static pressure

barometric pressure

26. Wind information can be displayed in an EFIS system in which of the following modes?

plan map expanded ILS full VOR

map centre map plan full ILS

full ILS full VOR map plan

full nav full ILS map centre map

27. An aircraft is travelling at 100 kt forward speed on a 3° glideslope. What is its rate of descent?

500 ft/sec

500 ft/min

300 ft/min

250 ft/min

28. Which of the following are inputs to the central processing unit of the GPWS? i flaps ii landing gear iii glideslope iv unusual attitudes v radio altimeter vi VOR

i ii iii v

i ii iii v vi

i ii iv v

i ii vi

29. A Vmo/Mmo alerting system contains a barometric aneroid capsule

and an airspeed capsule subjected to static pressure

which is subjected to static pressure and an airspeed capsule which is subjected to dynamic pressure

which is subjected to dynamic pressure and an airspeed capsule which is subjected to static pressure

and an airspeed capsule subjected to dynamic pressure

30. A solid state gyro is

a tied gyro

an earth gyro

a rate sensor

a rate gyro

31. An aircraft flies into a colder airmass. This will cause the altimeter to

read the correct altitude

under-read

over-read

the indication will depend on the hemisphere of operation

32. An aircraft is travelling at 120 kt, what angle of bank would be required for a rate one turn?

12°

19°

35°

30°

33. If the Total Pressure sensor supply line leaks, and with the drain element blocked, in a nonpressurised aircraft this will cause the ASI to:

over - read in the climb and under - read in the descent

over - read

under - read in the climb and over - read in the descent

under - read

34. The rigidity of a gyroscope can be improved by

increasing the angular momentum and concentrating the mass on the periphery of the rotor

increasing the angular momentum and concentrating the mass at the hub of the rotor

decreasing the angular momentum and concentrating the mass on the periphery of the rotor

decreasing the angular momentum and concentrating the mass at the hub of the rotor

35. An IRS differs from an INS in that it

has a shorter spin-up time and suffers from laser lock.

does not experience Schuler errors as accelerometers are strapped down and not rotated by a feedback loop

does not need to correct for coriolis and central acceleration)

has a longer spin-up (is not affected by vertical accelerations due to gravity)

36. The outputs of a flux valve are initially sent to

a compass card

a feedback loop

an error detector

an amplifier

37. A Radio Altimeter is

aircraft based and measures true altitude

aircraft based and measures true height

ground based and measures true altitude

ground based and measures true height

38. What would the compass heading be given a true heading of 247° in an area where the variation is 8°W and a compass deviation of 11°E?

244°

255°

266°

247°

39. Which of the following are modes of the GPWS? i excessive sink rate ii altitude loss after take-off or go-around iii excessive glideslope deviation iv high climb rate v flaps in the incorrect position vi high altitude descent vii stall

ii iii v vii

i ii iii vii

i ii iii v

iii iv v vi

40. In FMS fitted aircraft the main interface between pilot and system will be provided by

the flight management source selector

the multi-purpose control and display unit

the flight control unit

the automatic flight control system

41. A rate integrating gyroscope is used in: i inertial attitude system ii automatic flight control systems iii inertial navigation systems iv rate of turn indicators

i iii iv

i iii

i ii iii

i ii

42. With the aircraft weight constant but variations in airfield altitude, take-off will always be at a constant

groundspeed

equivalent airspeed

calibrated airspeed

true air speed

43. What is another name for fail active?

fail operational

fail passive

fail safe

fail soft

44. Total Air Temperature is __________ than static air temperature and the difference varies with __________

colder altitude

warmer CAS

warmer altitude

colder CAS

45. When measuring different pressures (low/med/high) which of the following has the three types of sensing devices in ascending order of pressure measurement? i bourdon tube ii bellows type iii aneroid capsule

i ii iii

i iii ii

ii iii i

iii ii i

46. Why is there a vibration device in a pressure altimeter? i to prevent hysteresis ii to prevent lag in a mechanical system iii to keep pilots happy during long flights iv to prevent icing v to overcome dither

i ii iii

i ii iv

ii iii v

i ii

47. On a standard 2-dot EHSI in the en-route mode each dot represents

2 nm

1 nm

5 nm

10 nm

48. When accelerating on a northerly heading what does the Direct Reading Magnetic Compass indicate?

north

a turn to the west

no change

a turn to the east

49. The ability of a gyroscope to indicate aircraft heading is based on it having

one degree of freedom in the vertical axis

two degrees of freedom in the vertical axis

two degrees of freedom in the horizontal

one degree of freedom in the horizontal

50. During descent through a block of airspace of constant temperature and while flying at a constant mach no will cause the CAS to

increase

increase at a rate of 1·98°/1000 ft

remain constant

decrease

Question Bank

Questions for REVISION QUESTIONS 3