Vayudoot Aviation

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

calculate the computed trihedron with reference to the earth

establish true and magnetic north

establish position relative to true and magnetic north

establish magnetic north

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

velocity

longitude

distance

departure

3. An aircraft is flying at flight level 350 at a CAS of 290 kt and a temperature deviation of ISA -10°C. The TAS and MN will be

TAS 498 kt Mach 0·885

TAS 507 kt Mach 0·86

TAS 520 kt Mach 0·882

TAS 481 kt Mach 0·855

4. 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

i ii iii v

i ii iii vii

iii iv v vi

ii iii v vii

5. An aircraft that is assessed as not being a threat would be indicated on a TCAS system as

a solid red square

a solid yellow circle

a hollow white or cyan diamond

a solid white or cyan diamond

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

and an airspeed capsule subjected to static 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

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

7. 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

under - read

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

over - read

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

true air speed

equivalent airspeed

groundspeed

calibrated airspeed

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

full nav full ILS map centre map

map centre map plan full ILS

plan map expanded ILS full VOR

full ILS full VOR map plan

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

250 ft/min

500 ft/min

300 ft/min

500 ft/sec

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

590 kt

595 kt

562 kt

661 kt

12. Under conditions determined by the International Standard Atmosphere, at MSL True Air Speed is

is indeterminate due to the variation in temperature

less than CAS

greater than CAS

equals CAS

13. The angle formed between the directive force and the total magnetic force is called

deviation

dip

isoclinal

variation

14. The period of validity of an FMS data base is

56 days

28 days

one week

varies depending on the area of operational cover

15. A Radio Altimeter is

ground based and measures true height

aircraft based and measures true height

ground based and measures true altitude

aircraft based and measures true altitude

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

one degree of freedom in the horizontal

two degrees of freedom in the vertical axis

two degrees of freedom in the horizontal

one degree of freedom in the vertical axis

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

never exceed

minimum temperature

maximum start and acceleration temperature

normal operating temperature

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

temperature altitude

the standard atmosphere

pressure altitude

density altitude

19. 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

i ii iii v

i ii iv v

i ii iii iv v

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

enhance the acceleration of the gyro at all rotational rates

stabilise the laser frequencies

compensate for transport wander

overcome laser lock

21. The local speed of sound at mean sea level at ISA -10°C is

673 kt

661 kt

650 kt

680 kt

22. Using a Classic Attitude Indicator, an aircraft performs a turn through 270° at a constant angle of bank and rate of turn. The indication is:

nose up wings level

nose up bank left

nose up bank right

bank and pitch correct

23. On a Turn and Slip indicator, needle to the left and ball to the right indicates

left turn not enough bank

left turn too much bank

right turn too much bank

right turn not enough bank

24. What correction is given by TCAS?

climb or descend at 500 ft/min

climb or descend

contact ATC on receipt of a Resolution Advisory

turn left or right

25. What is used for EGT measurement?

helical bi-metallic strips

thermistors

radiation pyrometry

thermo emf thermocouples

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

2°

2 nm

1°

1 nm

27. What is Density Altitude?

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

pressure altitude corrected for Total Air Temperature

pressure altitude corrected for the prevailing temperature

temperature altitude

28. On an EADI radio altitude is displayed

on an analogue scale below 2500 ft

digitally between 2500 ft and 100 ft

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

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

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

0·783

0·76

0·815

0·825

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

a compass card

an amplifier

a feedback loop

an error detector

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

no turn will be indicated

a turn north

a turn south

an oscillation

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

the flight management source selector

the automatic flight control system

the multi-purpose control and display unit

the flight control unit

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

warmer altitude

colder CAS

colder altitude

warmer CAS

34. A modern Radio Altimeter uses the frequency band

HF 3 Mhz - 30 Mhz

UHF 300 Mhz - 3 Ghz

VHF 30 - 300 Mhz

SHF 3000 Mhz - 30 Ghz

35. The magnetic heading reference unit has a precession rate of

2°/min

1°/min

5°/min

3°/min

36. 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

37. 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

38. In what range is GPWS operative?

3000 - 0 ft

2450 - 0 ft

3000 - 50 ft

2450 - 50 ft

39. The rigidity of a gyroscope can be improved by

increasing the angular momentum and concentrating the mass on the periphery 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

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

40. The EADI and the EHSI of an EFIS installation are also referred to by the manufacturers as

ECAM and EICAS respectively

primary display and navigation display respectively

navigation display and primary display respectively

EICAS and ECAM respectively

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

density

barometric pressure

static pressure

temperature

42. 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

ii iii vi viii ix

ii iii v vii ix

i iii vii viii ix

i ii iv vii

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

ii iii

none of the above

i iii

i ii

44. 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 iv

ii iii v

i ii

i ii iii

45. 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

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

does not need to correct for coriolis and central acceleration)

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

a left turn with too little bank

a right turn with too little bank

a right turn with too much bank

a left turn with too much bank

47. What is another name for fail active?

fail operational

fail passive

fail safe

fail soft

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

no change

north

a turn to the east

a turn to the west

49. 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?

247°

255°

266°

244°

50. A gravity-erecting device is utilised in

an artificial horizon

aturn and slip

vertical speed indicator

a directional gyroscopic indicator

Question Bank

Questions for REVISION QUESTIONS 3