5.1

Question 1

1. Which of these barometric instruments uses a restrictor to compute its output?.
   A) Machmeter.
   B) VSI.
   C) ASI.

Answer 1

A

Question 2

2. Which instrument are most likely to damage if you have a rapid drop in pressure, when carrying out a pitot-static leak check?.
   A)Altimeter.
   B)vertical speed indicator.
   C)Air speed indicator.

Answer 2

A

Question 3

3. A machmeter works.
   A)always.
   B)above 10,000 ft.
   C)always except on the ground.

Answer 3

A

Question 4

4 In Airways flying, what is the barometric scale of the altimeter set to?.
A)1013.25.
B)QNH.
C)QFE.

Answer 4

A

Question 5

5. The hot junction of thermocouple is.
   A)in the combustion chamber.
   B)in the instrument.
   C)aft of combustion chamber.

Answer 5

A

Question 6

6. Pitot tubes are heated.
   A)by compressed bleed air.
   B)electrically.
   C)by kinetic heating.

Answer 6

B

Question 7

7. The sensing element of the flux valve.
   A)aligns itself to the new heading as the aircraft turns.
   B)remains in the same position attached to the aircraft structure.
   C)aligns itself to the new heading of the aircraft after it has stabilised.

Answer 7

B

Question 8

8. The Directional Gyro is checked every 15 minutes for.
   A)erection.
   B)toppling.
   C)drift.

Answer 8

C

Question 9

9. With an aircraft which has more than one compass system.
   A) master adjusted, slave adjusted, each having a corrected compass card.
   B)both are adjusted on each heading.
   C)master and slave adjusted, correction card for master only.

Answer 9

A

Question 10

10. Which pitot probe provides information to the captains instruments?.
    A)Upper.
    B)Lower.
    C)Both.

Answer 10

A

Question 11

11. In a modern HSI, the displays are.
    A)course and direction.
    B)course and attitude.
    C)direction and attitude.

Answer 11

A

Question 12

12. Compared to air driven gyros, the electric gyro runs.
    A)faster.
    B)slower.
    C)same speed.

Answer 12

A

Question 13

13. What is apparent drift due to?.
    A)Errors when aircraft banking.
    B)Earths rotation.
    C)Gyro pivot friction.

Answer 13

B

Question 14

14. An aircraft airspeed indicator has.
    A)pitot to the capsule.
    B)static to the capsule.
    C)pitot to the capsule and static to the out side of the capsule.

Answer 14

C

Question 15

15. How does a machmeter work?.
    A)Indicated airspeed / temperature.
    B)True airspeed and speed of sound.
    C)True airspeed / indicated airspeed.

Answer 15

B

Question 16

16. The flux detector element.
    A)gives heading with respect to magnetic north.
    B)changes heading with the heading of the aircraft.
    C)changes it position after the aircraft heading is changed.

Answer 16

A

Question 17

17. The needle of a resolver is connected to.
    A)two coils and an electromagnet.
    B)two coils and a permanent magnet.
    C)two coils only.

Answer 17

C

Question 18

18. In a Machmeter, what type of compensation is there?.
    A)Hair spring.
    B)Square-Law compensation.
    C)Compensation is not required.

Answer 18

C

Question 19

19. Flux Valve senses angle of horizontal component with respect to the aircraft’s.
    A)lateral axis.
    B)longitudinal axis.
    C)both lateral and longitudinal axis.

Answer 19

B

Question 20

20. Apparent drift of a directional gyro is due to.
    A)the effect of the earth’s rotation.
    B)unbalance of the gimbals.
    C)bearing friction.

Answer 20

A

Question 21

21. The Turn and Slip indicator employs.
    A)a vertical gyro.
    B)a rate gyro.
    C)an azimuth gyro.

Answer 21

B

Question 22

22. Air driven gyros, compared to electric gyros, generally rotate.
    A)faster.
    B)the same speed.
    C)slower.

Answer 22

C

Question 23

23. A V.S.I. is connected to.
    A)vacuum.
    B)static pressure.
    C)pitot pressure.

Answer 23

B

Question 24

24. With a V.S.I. pointer at position 1 on the upper half of the scale it indicates.
    A)1,000 ft/minute rate of descent.
    B)1,000 ft/minute rate of climb.
    C)100 ft/minute rate of climb.

Answer 24

B

Question 25

25. In level flight, a V.S.I. will indicate. A)horizontal to left. B)vertically down. C)vertically up.

Answer 25

A

Question 26

26. On descent, the pressure in a V.S.I. capsule. A)leads the case pressure. B)lags the case pressure. C)is the same as case pressure.

Answer 26

A

Question 27

27. An artificial horizon has. A)the inner gimbal pivoted laterally. B)the inner gimbal pivoted vertically. C)the inner gimbal pivoted longitudinally.

Answer 27

A

Question 28

28. A pressure of one atmosphere is equal to. A)14.7 PSI. B)100 millibar. C)1 inch Hg.

Answer 28

A

Question 29

29. The millibar is a unit of. A)barometric pressure. B)pressure altitude. C)atmospheric temperature.

Answer 29

A

Question 30

30. In the Turn and Slip indicator. A)the spin axis is longitudinal. B)the spin axis is lateral. C)the spin axis is vertical.

Answer 30

B

Question 31

31. In an altimeter, the. A)inside of the capsule is connected to static pressure. B)capsule is evacuated and sealed. C)capsule and case are connected via a calibrated choke.

Answer 31

B

Question 32

32. The units on the calibrated scale of a V.S.I. are expressed in. A)hundreds of feet per minute. B)knots (kts). C)miles per hour (mph).

Answer 32

A

Question 33

33. A standby air supply for gyro operation could be obtained from. A)a tapping from the induction manifold. B)a venturi. C)a pitot head.

Answer 33

B

Question 34

34. A rate two turn is. A)90 degrees per minute. B)360 degrees per minute. C)180 degrees per minute.

Answer 34

C

Question 35

35. The capsule in a vertical speed indicator will be expanded when the aircraft is. A)climbing. B)descending. C)in level flight.

Answer 35

B

Question 36

36 Machmeters work on. A)static. B)pitot and static. C)pitot.

Answer 36

B

Question 37

37. A rate of turn indicator dial marked '2 minutes' refers to a. A)rate 3 turn. B)rate 2 turn. C)rate 1 turn.

Answer 37

C

Question 38

38. Aircraft heading (HDG) is. A)the angle between True North and the longitudinal axis of the aircraft. B)the angle between True North and the desired track. C)the angle between True North and the actual track.

Answer 38

A

Question 39

39 A compass is made aperiodic by. A)locking. B)tying it to the case. C)using fluid.

Answer 39

C

Question 40

40. Electrical driven gyros are. A)rotated at the same speed as air driven gyros. B)rotated slower than air driven gyros. C)rotated faster than air driven gyros.

Answer 40

C

Question 41

41. When an aircraft is descending, the pressure in the altimeter case. A)will cause the aneroid capsule to contract. B)will cause the aneroid capsule to expand. C)will not affect the aneroid capsule.

Answer 41

A

Question 42

42. An altimeter is operated. A)by the vacuum system. B)by the pitot system. C)by the static system.

Answer 42

C

Question 43

43. Which axis does the directional gyro spin on?. A)Vertical. B)Horizontal. C)Both vertical and horizontal.

Answer 43

B

Question 44

44. The aeroplane monitor on the artificial horizon is fitted to the. A)inner gimbal. B)rotor. C)instrument case.

Answer 44

C

Question 45

45. The advantage of an instantaneous V.S.I. over a conventional one is. A)it has an accelerometer which prevents the lag of a conventional one. B)it does not require warming up. C)it does not require pitot/static pressure.

Answer 45

A

Question 46

46. The type of gyro used in a gyro compass is a. A)directional gyro. B)vertical gyro. C)rate gyro.

Answer 46

A

Question 47

47. In a Bourdon tube. A)one end is sealed and the other end open to the pressure source. B)one end is sealed and the other end open to atmosphere. C)both ends sealed.

Answer 47

A

Question 48

48. A gyroscope having one plane of freedom at right angles to the plane of rotation, and its gimbal restrained either electrically or by a spring, is known as. A)a rate gyro. B)an earth gyro. C)a tied gyro.

Answer 48

A

Question 49

49 Asynchro has three stator coils at A) 90 degrees to each other B) 180 degrees to each other C) 120 degrees to each other

Answer 49

C

Question 50

50 The power for the synchro A) AC B) DC C) Mechanical

Answer 50

A

Question 51

51 The two stator coils of the resolver are at A) 180degrees to each other B) 120 degrees to each other C) 90 degrees to each other

Answer 51

C

Question 52

52 LVDT acronym for A) Linear vertical differential transformer B) Linear variable differential transformer C) Linear variable differential transducer

Answer 52

C

Question 53

53 Strain gaueges used to measure A) The weight B) Temperature C) speed

Answer 53

A

Question 54

54 in small aircraft the outside air temperature use A) variable resistor B) thermocouple C) Bimetallic strip

Answer 54

C

Question 55

55 Capacitance type system use to measure A) Oil quantity B) Fuel quantity C) Hydraulic quantity

Answer 55

B

Question 56

56 For stall warning system we use A) Micro-switch B) Variable resistor C) Capacitor

Answer 56

A

Question 57

57 For every 1000 ft increase in altitude the temperature A) Increase 2C⁰ B) Decrease 2 C⁰ C) Decrease 5 C⁰

Answer 57

B

Question 58

58 TAT use A) Negative temperature coefficient resistor B) Neutral temperature coefficient resistor C) positive temperature coefficient resistor

Answer 58

C

Question 59

59 The standard sea level pressure A) 1013.25 inch of mercury B) 29.92 mbar C) 1013.25 mbar

Answer 59

C

Question 60

60 Any deviation of the gyro spin axis is known as A) Rigidity B) Precession C) wander

Answer 60

C

Question 61

61 . With an aircraft on the ground and QNH set on the millibar scale of the altimeter, the altimeter will read. A)the airfield height. B)off scale. C)zero.

Answer 61

A

Question 62

62. The capsule for an A.S.I. will be expanding when the aircraft is. A)climbing. B)accelerating. C)decelerating.

Answer 62

B

Question 63

63. If an aircraft is flying straight and level in still air, airspeed will be. A)less than the ground speed. B)equal to the ground speed. C)greater than the ground speed.

Answer 63

B

Question 64

64. A machmeter is an instrument which indicates the speed of. A)sound relative to the aircraft's altitude. B)the aircraft relative to the speed of sound at ground level. C)the aircraft relative to the local sonic speed.

Answer 64

C