21-15. (H) Rotor Heads

All questions: 39

In mode TRAINING show all questions of the discipline with correct answers presentation. To go to the next question, click the “Next”.

Questions for exams: 20

In mode Exam correct answers are not shown, after choosing the answer, transition to the next question occurs automatically.

Random 5 questions:
1. When using a strobe type tracking and balancing system on a fully articulated rotor head, one blade is not equidistant from the other blades in the lateral plane. The cause of this defect is that:
2. Tail rotors differ from main rotors in that:
3. Dragging of a blade takes place:
4. What indication will be available to the pilot of wear in either tail rotor gimbal or pitch change link bearings?
5. “Dragging” of a rotor blade is an angular oscillation of the blade in: