21-16. (H) Transmission
All questions: 26
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Questions for exams: 15
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1. The purpose of a clutch in a helicopter transmission system is to:
2. A snatch engagement of a freewheel unit:
3. In autorotation the blades are free to rotate because:
4. The most common material used in the construction of gearbox casings is:
5. Multi-segment tail rotor drive shafts are joined together by flexible couplings. These couplings allow for:
