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Questions for DIRECTIONAL GYRO INDICATOR (DGI)

Answer the following questions

1. Apparent wander may be corrected in a DGI by
2. An air driven DGI is corrected for apparent wander at 56 N. If the aircraft is maintaining constant DGI readings
3. In an air driven directional gyro the air jets are attached to
4. The purpose of the caging knob is
5. 15 sine latitude in degrees per hour increasing
6. A directional gyro indicator is basically a
7. The spin axis of a directional gyro is maintained in ....... by means of ...... in an air driven gyro and by means of a ....... in an electrically driven gyro
8. The formula used to calculate apparent wander of a directional gyro in the northern hemisphere is
9. Gimballing error
10. The limits of pitch and roll for a modern directional gyro are respectively