Email
info@vayudootaviation.com
Phone No
+91 7276526726
become a pilot
Home
About us
courses
CPL
ATPL
RTR(A)
Airline Cadet Program
IGRUA Entrance Prep
B.Sc. Aviation
Pilot Training
INDIA
USA
CANADA
SOUTH AFRICA
NEW ZEALAND
EUROPE
Aircraft Type-Rating
Airbus A320
Boeing 737
Blogs
contact
CPL Test Series
Question Bank
Questions for KW INST COMPASS
Answer the following questions
Test Mode
Training Mode
1. The maximum gyro drift rate due to earth rate is?
90 degrees per hour.
180 degrees per hour.
5 degrees per hour
15 degrees per hour.
2. Magnetic heading can be calculated from true heading using?
A calculator and a deviation card.
A compass and a deviation card.
A compass and a map indicating isogonal lines.
A compass and a calibration card.
3. The DRMC in an aircraft accelerating for take-off on a runway with QDM 45 degrees, in the northern hemisphere, will indicate?
Less than 45 degrees.
45 degrees
More than 45 degrees
45 degrees as long as the wings are level.
4. The roll out must be performed at .... when turning from NW to NE in the southern hemisphere?
055 degrees.
025 degrees.
045 degrees.
035 degrees.
5. From what does a gyro magnetic compass torque motor obtain its information?
Error detector.
Rotor gimbal tilt unit.
Amplifier.
Flux valve
6. In an aircraft taking-off on a westerly heading in the northern hemisphere, what will its DRMC indicate?
Oscillations about west.
No turn
Southerly turn.
Northerly turn.
7. The flux valve in a RIMC requires?
AC power supply
AC and DC power supply.
DC power supply
No external power supply.
8. The function of the torque motor in a gyro stabilised magnetic compass is to?
Move the selsyn stators
Move the heading pointer.
Precess the directional gyro
Receive the input from the flux valve.
9. What will the compass indicate as an aircraft lands and decelerates on a westerly heading in the northern hemisphere?
Turn to south.
Turn to west.
Oscillations
No turn.
10. Earth rotation at 45 degrees north will cause the spin axis of a directional gyro to move?
6.7 degreesanti-clockwise.
10.6 degrees clockwise.
10.6 degrees anti-clockwise.
7.6 degrees clockwise.
11. The flux gate of a gyro magnetic compass transmits data to?
The erecting system
The annunciator.
The error detector
The amplifier
12. What are the errors in a DGI? 1. Transport wander. 2. Earth rate. 3. Heading errors when banking and pitching. 4. Mechanical imperfections
1, 2, 4.
2, 3, 4.
All of the above
1, 2, 3.
13. When turning right through 90 degrees to north, in the northern hemisphere, roll out should be conducted on a heading of?
10 degrees.
330 degrees.
20 degrees.
350 degrees.
14. The purpose of the torque motor in a gyro stabilised magnetic compass is to?
Adjust the selsyn stator.
Precess the directional gyro.
Calibrate the pointer.
Convert flux valve electrical output into pointer movement.
15. A DRMC can be affected by?
Hard iron.
Soft iron
Northerly accelerations.
Mild iron
16. To improve the horizontality of a compass, the magnet assembly is suspended from a point?
Below the centre of gravity.
On the centre line of the magnet.
Above the centre of gravity.
Varying with magnetic latitude.
17. The purpose of a compass swing is to?
Confirm the accuracy of the schuler tuning.
Align compass north with magnetic north.
Align compass north with true north.
Align the lubber lines with true north.
18. If the ADF pointer indicates 270 degrees when the RMI rose is stuck at 090 degrees, what is the relative bearing of the beacon?
110 degrees
290 degrees.
180 degrees.
It cannot be determined from this information.
19. Errors in direct reading magnetic compasses can be caused by?
Acceleration son east/west headings.
Turns through 90 degrees East and 270 degrees west.
Crosswinds when on east/west headings.
Parallax
20. How can deviation be determined using a magnetic compass?
By reference to a map of isogonal lines.
By referring to the compass card.
By reference to a compass deviation card.
By reference to a map of isoclinal lines.
21. The roll out must be performed at ........ when turning from SW to SE in the northern hemisphere?
145 degrees.
115 degrees.
135 degrees.
160 degrees.
22. If the ADF pointer indicates 240 degrees when the RMI rose is stuck at 090 degrees, what is the relative bearing of the beacon?
180 degrees.
It cannot be determined from this information.
zero degrees.
150 degrees
23. In a remote indicating magnetic compass the flux valve?
Uses a DC power supply
Uses an AC power supply.
Is manufactured from perm - alloy steel.
Requires no power supply because it uses its own self-exciter unit...
24. The roll out must be performed at .... when turning from NW to SE in the southern hemisphere?
145 degrees.
135 degrees.
125 degrees.
115 degrees.
25. The sensitivity of a magnetic compass can be affected by?
Both of the above.
The Z component of the earth's magnetic field.
The H component of the earth's magnetic field.
None of the above.
26. When landing on a northerly heading a direct reading magnetic compass will indicate?
No turn.
A westerly turn.
Rapidly Increasing oscillations.
An easterly turn.
27. What is the function of the latitude nut on a DI?
To compensate for earth rate error.
To compensate for latitude error.
To correct coriolls effect.
To compensate for transport error.
28. Magnetic dip angle at the south pole is?
60 degrees.
90 degrees.
45 degrees.
zero
29. A magnetic compass must be swung?
After long term changes in longitude.
Change of base airfield.
Short term changes in longitude
After long term changes in latitude.
30. The purpose of a compass swing is to?
Draw up a compass correction card.
Align compass north with magnetic north.
Align true north with the lubber line.
Align compass north with true north.
31. At what point on the earth would earth rate wander and transport wander be zero?
South pole.
45 degrees north and south.
North pole.
Equator.
32. A direct reading magnetic compass will be affected by?
Soft iron.
Aluminium.
Hard iron.
Soft Iron effect hard iron, and hard iron.
33. If the ADF pointer indicates 120 degrees when the RMI rose is stuck at 080 degrees, what is the relative bearing of the beacon?
40 degrees.
It cannot be determined from this information.
200 degrees.
80 degrees.
34. When cruising on a westerly heading a direct reading magnetic compass will indicate?
No turn
Rapidly increasing oscillations.
Northerly turn.
Southerly turn
35. The roll out must be performed at .... when turning from NW to SE in the northern hemisphere?
125 degrees.
135 degrees.
145 degrees.
155 degrees.
36. What will the compass indicate as an aircraft lands and decelerates on a westerly heading on the magnetic equator?
Turn to south.
Turn to west.
Oscillations.
No turn
37. If the ADF pointer indicates 200 degrees when the RMI rose is stuck at 090 degrees, what is the relative bearing of the beacon?
290 degrees.
It cannot be determined from this information.
110 degrees.
180 degrees.
38. What will a DRMC indicate when taking -off on a runway with QDM 045 in the southern hemisphere?
No Turn.
Turn South.
Turn North.
Oscillations.
39. What error is introduced into a DGI due to movement of the gyro earth?
Latitude error.
Transport wander.
Altitude error
Earth rate error.
40. 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?
92.5 degrees.
107.5 degrees.
75 degrees.
100 degrees.
41. The principle cause of errors in a direct reading magnetic compass is?
Latitude
Parallax
Magnetic deviation
Turning.
42. If an aircraft in the northern hemisphere accelerates on a westerly heading, the compass needle moves ....... indicating a turn to the ......... ?
Clockwise north
Clockwise south.
Anti-Clockwise south
Anti-Clockwise north
43. 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?
Less than 45°
More than 45°
45° only if the wings are level.
45°
44. The output of the flux valve is fed to the?
Feed back loop.
Amplifier.
Compass card.
Error detector.
45. If the ADF pointer indicates 270 degrees when the RMI rose is stuck at 075 degrees, what is the relative bearing of the beacon?
195 degrees.
290 degrees.
110 degrees.
It cannot be determined from this information.
46. What is the strength of the H component of the earths magnetic field (in micro teslas) at the North pole?
10
1
16
23
47. Magnetic heading can be found from true heading using?
A compass and compass callbration chart.
A compass and a map showing isoclinal lines.
A compass and a map showing isogonal lines.
A compass and deviation card.
48. To what does the flux valve of a gyro magnetic compass transmit information?
Heading indicator card.
Error detector.
Amplifier
Errecting system
49. In order to convert true heading into magnetic heading a compass card and ......... are required?
Deviation card.
Error card
Map with isogonal lines
Map with isoclinal lines.
50. From what does the flux valve in a RIMC get its power supply ?
AC busbar
DC busbar
Internal self-exciter system
It does not require one because it is made of perm-alloy material.
Submit
Make New Set
