Question Bank

1. The flux gate of a gyro magnetic compass transmits data to?

2. The purpose of a compass swing is to?

3. What is the maximum drift error that can be sensed by an uncompensated DGI?

4. A perfectly frictionless DI is corrected to give zero drift at 30 degrees north, and its DI is set to indicate 100 degrees. If it remains stationary on the ground for 1 hour what will the indication be?

5. In an aircraft taking-off on a westerly heading in the northern hemisphere, what will its DRMC indicate?

6. The roll out must be performed at .... when turning from NW to SE in the northern hemisphere?

7. A direct reading magnetic compass will be affected by?

8. When an aircraft lands on a southerly heading in the southern hemisphere, the DRMC will indicate?

9. Magnetic heading can be found from true heading using?

10. What error is introduced into a DGI due to movement of the gyro earth?

11. In a remote indicating magnetic compass the flux valve?

12. To what is the output of the flux valve in a remote indicating compass initially fed?

13. The output of the flux valve is fed to the?

14. When taking-off on a calm day on heading of 45° in the northern hemisphere, the compass will indicate ........ If the field is on an agonic line?

15. What will the compass indicate as an aircraft lands and decelerates on a westerly heading in the northern hemisphere?

16. In the northern hemisphere, the direct reading compass card of an aircraft decelerating on an easterly heading will turn ....... and will ....... ?

17. What will a DRMC indicate when taking -off on a runway with QDM 045 in the southern hemisphere?

18. What is the strength of the H component of the earths magnetic field (in micro teslas) at the North pole?

19. If the ADF pointer indicates 240 degrees when the RMI rose is stuck at 090 degrees, what is the relative bearing of the beacon?

20. A direct reading magnetic compass will be affected by? 1. Adjacent electrical equipment. 2.Ferrous metals 3. Non-ferrous metals.

21. A DRMC can be affected by?

22. If the ADF pointer indicates 270 degrees when the RMI rose is stuck at 090 degrees, what is the relative bearing of the beacon?

23. What is the function of the latitude nut on a DI?

24. From what does a gyro magnetic compass torque motor obtain its information?

25. If the ADF pointer indicates 270 degrees when the RMI rose is stuck at 075 degrees, what is the relative bearing of the beacon?

26. The roll out must be performed at ........ when turning from SW to SE in the northern hemisphere?

27. Errors in direct reading magnetic compasses can be caused by?

28. The roll out must be performed at .... when turning from NW to SE in the southern hemisphere?

29. A direct reading compass will not be affected by?

30. If the ADF pointer indicates 200 degrees when the RMI rose is stuck at 090 degrees, what is the relative bearing of the beacon?

31. A runway In the northern hemisphere is on an agonic line and heading 045 degrees. If an aircraft with zero compass deviation takes off in still air, what will the northerly turning errors be?

32. When landing on a northerly heading a direct reading magnetic compass will indicate?

33. The purpose of a compass swing is to?

34. Earth rotation at 45 degrees north will cause the spin axis of a directional gyro to move?

35. Magnetic dip angle at the south pole is?

36. The greatest cause of errors in a direct reading magnetic compass is?

37. When turning right through 90 degrees to north, in the northern hemisphere, roll out should be conducted on a heading of?

38. To what does the flux valve of a gyro magnetic compass transmit information?

39. The maximum gyro drift rate due to earth rate is?

40. At what DRMC heading is roll out received when conducting a turn from south-west to south -east at 45 degrees north?

41. The principle cause of errors in a direct reading magnetic compass is?

42. The DRMC in an aircraft accelerating for take-off on a runway with QDM 45 degrees, in the northern hemisphere, will indicate?

43. At what point on the earth would earth rate wander and transport wander be zero?

44. The purpose of the torque motor in a gyro stabilised magnetic compass is to?

45. To improve the horizontality of a compass, the magnet assembly is suspended from a point?

46. If the ADF pointer indicates 120 degrees when the RMI rose is stuck at 080 degrees, what is the relative bearing of the beacon?

47. The flux valve in a RIMC requires?

48. When landing in a southerly direction a direct reading magnetic compass will indicate?

49. A magnetic compass must be swung?

50. When turning from SW to SE at 45 degrees north, the roll out should occur at?