COMPASS

The purpose of the torque motor in a gyro stabilized magnetic compass is to?

• APrecess the directional gyro.
• BAdjust the Selsyn stator.
• CCalibrate the pointer.
• DConvert flux valve electrical output into pointer movement.

The centre of gravity of the compass rose of a direct reading magnetic compass lies below the pivot point to reduce the influence of the:

• AMagnetic inclination.
• BMagnetic variation.
• CParallax error.
• DPosition error.

Which of the following statements about hard and soft Iron in relation to magnetism is correct?

• AHard iron magnetism is of a non-permanent nature and soft iron magnetism is of a permanent nature.
• BBoth hard and soft iron magnetism are of a permanent nature.
• CHard iron magnetism is of a permanent nature and soft iron magnetism is of a non-permanent nature.
• DBoth hard and soft iron magnetism are of a non-permanent nature.