Q1. Which rotor type is commonly used in helicopters for lift?
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Q2. The tail rotor in a helicopter primarily prevents:
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Q3. Which control changes the pitch of all rotor blades simultaneously?
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Q4. Cyclic control in a helicopter is used to:
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Q5. The term “autorotation” refers to:
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Q6. A helicopter’s center of gravity affects:
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Q7. Torque effect in helicopters is countered by:
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Q8. Which type of rotor system allows blades to flap, lead, and lag?
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Q9. What is retreating blade stall?
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Q10. The helicopter autorotation descent rate depends on:
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Q11. Torque produced by main rotor increases with:
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Q12. What is the purpose of the swashplate in a helicopter?
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Q13. Which flight condition can cause blade vortex interaction noise?
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Q14. The term “cyclic pitch” means:
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Q15. Hovering flight requires:
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Q16. The main disadvantage of single main rotor helicopters is:
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Q17. NOTAR system in helicopters replaces:
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Q18. Which factor limits maximum forward speed of a helicopter?
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Q19. Translational lift occurs when:
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Q20. Which helicopter component absorbs vibration from rotor?
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