Vayudoot Aviation

1. 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 ii

i ii iii

i iii

i iii iv

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

compensate for transport wander

stabilise the laser frequencies

overcome laser lock

enhance the acceleration of the gyro at all rotational rates

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

full ILS full VOR map plan

map centre map plan full ILS

full nav full ILS map centre map

plan map expanded ILS full VOR

4. 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 right turn with too much bank

a left turn with too little bank

a right turn with too little bank

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

the standard atmosphere

temperature altitude

density altitude

pressure altitude

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

longitude

distance

departure

velocity

7. What is Density Altitude?

temperature altitude

pressure altitude corrected for Total Air Temperature

pressure altitude corrected for the prevailing temperature

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

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

varies depending on the area of operational cover

one week

28 days

56 days

9. Given the following information calculate the instrument error of a pre-flight altimeter check. i aerodrome elevation: 235 ft ii apron elevation: 225 ft iii height of altimeter above apron: 20 ft iv altimeter reading with QFE set: 40 ft

+40 ft

+10 ft

+30 ft

+20 ft

10. What correction is given by TCAS?

contact ATC on receipt of a Resolution Advisory

climb or descend at 500 ft/min

climb or descend

turn left or right

11. 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?

255°

244°

266°

247°

12. 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 not enough bank

right turn too much bank

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

a turn north

an oscillation

no turn will be indicated

a turn south

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

2°

2 nm

1°

1 nm

15. 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

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

2 nm

1 nm

5 nm

10 nm

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

0·783

0·815

0·825

0·76

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

to secure against abrupt changes in aircraft attitude

to ensure fail operational landings can continue safely

to allow for FD coupling

to allow automatic pitch trimming to reset

19. 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 481 kt Mach 0·855

TAS 520 kt Mach 0·882

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

673 kt

650 kt

680 kt

661 kt

21. In what range is GPWS operative?

3000 - 0 ft

2450 - 50 ft

3000 - 50 ft

2450 - 0 ft

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

it will remain constant

it will increase

it will decrease in an isothermal layer

it will decrease

23. 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 ii

i iii v

i iv v

i iii vi

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

true air speed

equivalent airspeed

calibrated airspeed

groundspeed

25. 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

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

661 kt

562 kt

590 kt

595 kt

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

EICAS and ECAM respectively

ECAM and EICAS respectively

navigation display and primary display respectively

primary display and navigation display respectively

28. A modern Radio Altimeter uses the frequency band

UHF 300 Mhz - 3 Ghz

HF 3 Mhz - 30 Mhz

SHF 3000 Mhz - 30 Ghz

VHF 30 - 300 Mhz

29. 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

i ii v

ii v

i iii v

i iii iv

30. 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

iii ii i

i iii ii

i ii iii

ii iii i

31. 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

ii iii v

i ii iii

i ii

i ii iv

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

establish position relative to true and magnetic north

establish magnetic north

calculate the computed trihedron with reference to the earth

establish true and magnetic north

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

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

under - read

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

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

a solid white or cyan diamond

a solid yellow circle

a hollow white or cyan diamond

a solid red square

35. 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 v vii ix

i iii vii viii ix

i ii iv vii

ii iii vi viii ix

36. 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 vii

iii iv v vi

i ii iii v

ii iii v vii

37. A compass swing is used to

align compass north with magnetic north

align compass north with true north

align magnetic north with true north

get true north and the lubber line aligned

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

i iii

none of the above

ii iii

i ii

39. In an IRS

accelerometers and gyros are both gyro-stabilised

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

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

greater than CAS

less than CAS

equals CAS

is indeterminate due to the variation in temperature

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

minimum temperature

normal operating temperature

maximum start and acceleration temperature

never exceed

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

static pressure

barometric pressure

temperature

density

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

5°/min

2°/min

3°/min

1°/min

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

250 ft/min

500 ft/sec

500 ft/min

300 ft/min

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

and an airspeed capsule subjected to dynamic pressure

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

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

19°

30°

12°

35°

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

variation

dip

deviation

isoclinal

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

under-read

over-read

the indication will depend on the hemisphere of operation

read the correct altitude

49. 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

decrease

remain constant

50. 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 bank right

nose up bank left

nose up wings level

bank and pitch correct

Question Bank

Questions for REVISION QUESTIONS 3