Quiz on Gyroscopes and Gyrocompasses

What are the three mutually perpendicular axes in a gyroscope called?

• Spin Axis, Vertical Axis, and Horizontal Axis

• Vertical Axis, Polar Axis, and Magnetic Axis

• Spin Axis, Gravitational Axis, and Drift Axis

• Horizontal Axis, Rotational Axis, and Inclination Axis

Which property of a gyroscope ensures it maintains its plane of rotation indefinitely?

• Precession

• Gyroscopic Inertia

• Drifting

• Tilting

Precession in a gyroscope refers to which phenomenon?

• The motion of the spin axis in the vertical plane

• The motion of the spin axis in response to an applied force

• Resistance to angular momentum

• Oscillation of the rotor due to inertia

What natural forces are utilized in a gyrocompass to find true north?

• Gravity and Magnetism

• Earth's Rotation and Gravity

• Magnetic Variation and Wind Speed

• Latitudinal Pull and Gravitational Drift

What is the primary advantage of a gyrocompass over a magnetic compass?

• It detects magnetic fields.

• It is unaffected by ferromagnetic materials.

• It shows latitude variations.

• It has no errors.

Which component of a gyrocompass transmits directional information to repeaters?

• Master Compass

• Amplifier Panel

• Voltage Regulator

• Phantom

What is the cause of speed error in a gyrocompass?

• Ship's movement over latitude

• External magnetic fields

• Difference in Earth's rotation and ship's heading

• Rapid course changes

Which type of error occurs due to a vessel's roll in the sea?

• Ballistic Damping Error

• Quadrantal Error

• Latitude Error

• Gimbal Error

What counteracts Ballistic Damping Error?

• Adjusting the gyro's alignment

• Centering the true vertical axis

• Introducing mercury ballast correction

• Installing a secondary gyroscope

Which component of a gyrocompass converts DC to AC?

• Voltage Regulator

• Motor Generator

• Alarm Unit

• Amplifier Panel