Compass

Question 1

What does pendulous suspension provide for the compass?

Answer 1

Horizontal movement.

Question 2

What causes compass rotation when dip is present?

Answer 2

Acceleration.

Question 3

How is aperiodicity achieved inside a compass?

Answer 3

Damping oil.

Question 4

What is the acronym for the acceleration error for a compass in the northern hemisphere?

Answer 4

NANDS - North - accelerating north - decelerating south

Question 5

What is the acronym for the turning error for a compass in the northern hemisphere?

Answer 5

NUNOS - north - undershoot north - overshoot south

Question 6

Acceleration errors are worse when travelling blank to blank on a direct reading compass.

Answer 6

East to west.