POF – 11 Controls Part 3

 

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Q1. “Flutter” may be caused by a:

Q2. How can wing flutter be prevented?

Q3. VLE is defined as the:

Q4. Aileron reversal may be caused by:

Q5. Vne is defined as:

Q6. What is flutter caused by?

Q7. An aircraft is flown at 20% below its normal weight.  Because of this, VA will be:

Q8. A commercial jet aeroplane is performing a straight descent at a constant Mach Number with constant weight.  The operational limit that may be exceeded is:

Q9. Aileron reversal at high Cl results from:

Q10. Which load factor determines VA?

Q11. The manoeuvring speed VA, expressed as indicated airspeed, of a transport aeroplane:

Q12. When flying slightly faster than VA:

Q13. With regard to VA, which of the following statements is correct?

Q14. Which of the following is correct?

Q15. VA for an aeroplane with one fixed VA is defined as:

Q16. VA is the:

Q17. The positive manoeuvring limit load factor for a large jet transport aeroplane with flaps extended is:

Q18. In a jet aircraft with flaps extended, the load factor limit would be:

Q19. An aeroplane is flying at a speed of 1.3Va and full nose up elevator deflection is applied.  This is likely to:

Q20. Which statement is correct about the gust load on an aeroplane (IAS and all other factors of importance remaining constant):1. the gust load increases, when the weight decreases2. the gust load increases, when the altitude increases

Q21. A high aspect ratio wing:

Q22. Which statement regarding the gust load factor on an aeroplane is correct (all other factors of importance being constant)?1. Increasing the aspect-ratio of the wing will increase the gust load factor2. Increasing the speed will increase the gust load factor

Q23. What wing shape or wing characteristic is the least sensitive to turbulence:

Q24. Which of the following statements is correct?

Q25. Which statement is correct about the gust load factor on an aeroplane?    l. When the mass increases, the gust load factor increase            ll. When the altitude decreases, the gust load factor increases

Q26. All gust lines in the V-n graph originate from a point where the:

Q27. The gust load factor due to a vertical up gust increases when:

Q28. An aeroplane has a servo-tab controlled elevator. What will happen when only the elevator jams during flight?

Q29. When power assisted controls are used for pitch control, this:

Q30. Upon extension of a spoiler on a wing:

Q31. A deployed slat will:

Q32. An aeroplane with swept back wings is equipped with slats and/or leading edge (L.E) flaps.  One possible efficient way to arrange the leading edge devices on the wings is?

Q33. Which of the following series of configurations has an increasing critical angle of attack:

Q34. The function of the slot between an extended slat and the leading edge of the wing is to:

Q35. What is the purpose of an auto-slat system?

Q36. A slotted flap will increase the CLMax by:

Q37. Deploying a Fowler flap, the flap will:

Q38. What is the most effective flap system?

Q39. Which of the following statements about the difference between Krueger flaps and slats is correct?

Q40. Trailing edge flap extension will:

Q41. When flaps are deployed at constant angle of attack the lift coefficient will:

Q42. When flaps are extended in a straight and level flight at constant IAS, the lift coefficient will eventually:

Q43. On a wing fitted with a fowler type trailing edge flap, the Full extended position will produce:

Q44. When the trailing edge flaps are deflected in level flight, the change in pitch moment will be:

Q45. Which of the following increases the stall angle?

Q46. How is adverse yaw compensated for during entry into and roll out from a turn?

Q47. Spoiler deflection causes:

Q48. Slat extension will:

Q49. Deflection of leading-edge flaps will:

Q50. The trailing edge flaps when extended:

Q51. Compared with the flap up configuration the maximum angle of attack for the flaps down configuration is:

Q52. During the extension of the flaps at a constant angle of attack the aeroplane starts to: (all other factors of importance being constant)

Q53. During the retraction of the flaps at a constant angle of attack the aeroplane starts to (all other factors of importance being constant):

Q54. A plain flap will increase CLMax by:

Q55. An example of differential aileron deflection during initiation of left turn is:

Q56. Differential aileron deflection:

Q57. Flap selection at constant IAS in straight and level flight will increase the:

Q58. Which phenomenon is counteracted with differential aileron deflection?

Q59. One method to compensate adverse yaw is a:

Q60. A slat will:

Q61. When Fowler flaps are deployed:

Q62. What is true regarding deployment of Slats/Krueger flaps?

Q63. Which of the following is the most effective type of flap system?

Q64. What is the advantage of a variable incidence tailplane over a fixed incidence tailplane with elevator and trim tab?

Q65. Most large conventional aeroplanes are not provided with aileron and rudder trim tabs. Is it still possible to trim these control surfaces?

Q66. The trim tab :

Q67. Which statement about a jet transport aeroplane is correct, during take-off at the maximum allowable forward centre of gravity limit, while the THS (Trimming Horizontal Stabiliser) has been positioned at the maximum allowable AND (Aeroplane Nose Down) position.

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