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Anna University , Chennai
Department of B.E Aeronautical Engineering
Seventh Semester
AE2025 Helicopter Theory
AU Chennai November / December 2015 Exam Important Questions
(Regulation 2008)
IndianUniversityQuestionPapers.Com Presents Important Questions of Anna University Chennai
Anna University, Chennai
Department of B.E Aeronautical Engineering
B.E / B.TECH DEGREE EXAMINATION Nov Dec 2015
SEVENTH SEMESTER
AE2025 Helicopter Theory
(REGULATION 2008)
1. With neat sketches explain about advantages and disadvantages of different configurations of helicopter.
2. Explain about various rotor systems.
3. Explain about collective and cyclic control mechanism and its usage.
4. Write about the evolution of helicopter from history to till existing configuration.
5. From blade element theory, by using Rotor Figure of Merit, estimate the performance of a rotor.
6. Explain the following a) Tip Losses b) Performance of ideally twisted & constant chord blades.
7. Derive the expression for induced & climb torque.
8. Prove that power requirement decreases in Ground Effect.
9. Explain the procedure for solving the equations of motion of helicopter involving Drag to Lift ratio and Power to Lift ratio terms for estimating all non-dimensional coefficients.
10. Explain about the effects of operating conditions on profile drag.
11. What is rotor blade stall? In what way it differs from the stall of a fixed wing aircraft?
12. Explain about power losses due to blade stall and means of delaying rotor blade stall
13. Explain different working states of rotor with neat drawings.
14. Derive the equations for estimating the performance of rotor in vertical descent.
15. Explain different types of possible takeoff techniques of category A helicopter with necessary graphs
16. (i) Explain the importance of studying the working states of rotor.
ii. Compare category A and category B helicopters
17. Explain the concept of Rotor Control with respect to stability.
18. Explain how the helicopter stability changes with variation in speed and angle of attack?
19. Explain the concept of Dynamic Stability of helicopter in hovering considering the factors
with and without damping.
20. Explain how helicopter is Dynamically Stable in forward flight?
Department of B.E Aeronautical Engineering
Seventh Semester
AE2025 Helicopter Theory
AU Chennai November / December 2015 Exam Important Questions
(Regulation 2008)
IndianUniversityQuestionPapers.Com Presents Important Questions of Anna University Chennai
Anna University, Chennai
Department of B.E Aeronautical Engineering
B.E / B.TECH DEGREE EXAMINATION Nov Dec 2015
SEVENTH SEMESTER
AE2025 Helicopter Theory
(REGULATION 2008)
1. With neat sketches explain about advantages and disadvantages of different configurations of helicopter.
2. Explain about various rotor systems.
3. Explain about collective and cyclic control mechanism and its usage.
4. Write about the evolution of helicopter from history to till existing configuration.
5. From blade element theory, by using Rotor Figure of Merit, estimate the performance of a rotor.
6. Explain the following a) Tip Losses b) Performance of ideally twisted & constant chord blades.
7. Derive the expression for induced & climb torque.
8. Prove that power requirement decreases in Ground Effect.
9. Explain the procedure for solving the equations of motion of helicopter involving Drag to Lift ratio and Power to Lift ratio terms for estimating all non-dimensional coefficients.
10. Explain about the effects of operating conditions on profile drag.
11. What is rotor blade stall? In what way it differs from the stall of a fixed wing aircraft?
12. Explain about power losses due to blade stall and means of delaying rotor blade stall
13. Explain different working states of rotor with neat drawings.
14. Derive the equations for estimating the performance of rotor in vertical descent.
15. Explain different types of possible takeoff techniques of category A helicopter with necessary graphs
16. (i) Explain the importance of studying the working states of rotor.
ii. Compare category A and category B helicopters
17. Explain the concept of Rotor Control with respect to stability.
18. Explain how the helicopter stability changes with variation in speed and angle of attack?
19. Explain the concept of Dynamic Stability of helicopter in hovering considering the factors
with and without damping.
20. Explain how helicopter is Dynamically Stable in forward flight?
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