GYROSCOPE

#87. Earth rate at 25 degrees south is?

• A13.59° per hour.
• B6.34° per hour.
• C-13.59° per hour.
• D-6.34° per hour.

#1. The building principle of a gyroscope, the best efficiency is obtained through the concentration of the mass?

• AClose to the axis and with a low rotation speed.
• BOn the periphery and with a high rotation speed.
• CClose to the axis and with a high rotation speed.
• DOn the periphery and with a low rotation speed.

#6. A gravity type erector is used in a vertical gyro device to correct errors on?

• AAn artificial horizon
• BA directional gyro unit.
• CA turn indicator.
• DA gyro-magnetic indicator.