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Question 1 of 82
1. Question
The auxiliary (tail) rotor of a helicopter permits the pilot to compensate for and/or accomplish which of the following?
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Question 2 of 82
2. Question
The vertical flight of a helicopter is controlled by
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Question 3 of 82
3. Question
A reduction in anti-torque thrust will cause the
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Question 4 of 82
4. Question
In rotorcraft external-loading, the ideal location of the cargo release is where the line of action passes
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Question 5 of 82
5. Question
The acute angle formed by the chord line of a wing and the relative wind is known as the
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Question 6 of 82
6. Question
A helicopter in forward flight, cruise configuration, changes direction by
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Question 7 of 82
7. Question
The purpose in checking main rotor blade tracking is to determine the
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Question 8 of 82
8. Question
In a hovering helicopter equipped with a tail rotor, directional control is maintained by
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Question 9 of 82
9. Question
If a single-rotor helicopter is in forward horizontal flight, the angle of attack of the advancing blade is
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Question 10 of 82
10. Question
Main rotor blades that do not cone by the same amount during rotation are said to be out of
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Question 11 of 82
11. Question
One purpose of the freewheeling unit required between the engine and the helicopter transmission is to
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Question 12 of 82
12. Question
Which statement is correct concerning torque effect on helicopters?
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Question 13 of 82
13. Question
What is the purpose of the free-wheeling unit in a helicopter drive system?
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Question 14 of 82
14. Question
Movement about the longitudinal axis (roll), in a helicopter is effected by movement of the
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Question 15 of 82
15. Question
Movement about the lateral axis (pitch) in a helicopter is effected by movement of the
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Question 16 of 82
16. Question
Wing dihedral, a rigging consideration on most airplanes of conventional design, contributes most to stability of the airplane about its
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Question 17 of 82
17. Question
Other than the manufacturer maintenance manual what other document could be used to determine the primary flight control surface deflection for an imported aircraft that is reassembled after shipment?
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Question 18 of 82
18. Question
If a pilot reports that an airplane flies left wing heavy, this condition may be corrected by
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Question 19 of 82
19. Question
If the vertical fin of a single-engine, propeller-driven airplane is rigged properly, it will generally be parallel to
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Question 20 of 82
20. Question
An airplane which has good longitudinal stability should have a minimum tendency to
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Question 21 of 82
21. Question
As the angle of attack of an airfoil increases, the center of pressure wll
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Question 22 of 82
22. Question
The angle of incidence is that acute angle formed by
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Question 23 of 82
23. Question
An airplane’s center of lift is usually located aft of its center of gravity.
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Question 24 of 82
24. Question
An airplane is controlled directionally about its vertical axis by the
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Question 25 of 82
25. Question
The elevators of a conventional airplane are used to provide rotation about the
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Question 26 of 82
26. Question
Washing-in the left wing of a monoplane, for purposes of rigging corrections after flight test, will have what effect on the lift and drag of that wing?
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Question 27 of 82
27. Question
What type of flap system increases the wing area and changes the wing camber?
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Question 28 of 82
28. Question
If the right wing of a monoplane is improperly rigged to a greater angle of incidence than designated in the manufacturer’s specifications, it will cause the
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Question 29 of 82
29. Question
The chord of a wing is measured from
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Question 30 of 82
30. Question
When the lift of an airfoil increases, the drag will
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Question 31 of 82
31. Question
What physical factors are involved in the aspect ratio of airplane wings?
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Question 32 of 82
32. Question
Improper rigging of the elevator trim tab system will affect the balance of the airplane about its
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Question 33 of 82
33. Question
An airplane that has a tendency to gradually increase a pitching moment that has been set into motion has
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Question 34 of 82
34. Question
The purpose of wing slats is to
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Question 35 of 82
35. Question
The angle of incidence of an airplane at rest
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Question 36 of 82
36. Question
Buffeting is the intermittent application of forces to a part of an airplane. It is caused by
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Question 37 of 82
37. Question
Movement of an airplane along its lateral axis (roll) is also movement
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Question 38 of 82
38. Question
The primary purpose of stall strips is to
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Question 39 of 82
39. Question
Rigging and alignment checks should not be undertaken in the open. However, if this cannot be avoided, the aircraft should be positioned with the
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Question 40 of 82
40. Question
The correct dihedral angle can be determined by
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Question 41 of 82
41. Question
The dihedral angle of a wing may be measured by placing a straightedge and level protractor on the
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Question 42 of 82
42. Question
Where would you find precise information to perform a symmetry alignment check for a particular aircraft?
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Question 43 of 82
43. Question
Where is the buttock line or butt line of an aircraft?
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Question 44 of 82
44. Question
Where is fuselage station No. 137 located?
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Question 45 of 82
45. Question
Proper wing twist in a sheet metal constructed wing, can usually be checked by utilizing a
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Question 46 of 82
46. Question
The vast majority of aircraft control cables are terminated with swaged terminals, that must be
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Question 47 of 82
47. Question
What nondestructive checking method is normally used to ensure that the correct amount of swaging has taken place when installing swaged-type terminals on aircraft control cable?
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Question 48 of 82
48. Question
When inspecting a control cable turnbuckle for proper installation, determine that
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Question 49 of 82
49. Question
If all instructions issued by the swaging tool manufacturer are followed when swaging a cable terminal, the resultant swaged terminal strength should be
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Question 50 of 82
50. Question
Which is an acceptable safety device for a castle nut, when installed on secondary structures?
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Question 51 of 82
51. Question
When installing a castle nut, start alignment with the cotter pin hole at the
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Question 52 of 82
52. Question
When used in close proximity to magnetic compasses, cotter pins are made of what material?
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Question 53 of 82
53. Question
When a fiber or nylon insert-type self-locking nut can be threaded on a bolt or stud through the insert with only the fingers, it should be
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Question 54 of 82
54. Question
The purpose of the vertical fin is to provide
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Question 55 of 82
55. Question
How are changes in direction of a control cable accomplished?
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Question 56 of 82
56. Question
What is the smallest size cable that may be used in aircraft primary control systems?
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Question 57 of 82
57. Question
After repairing or re-covering a rudder, the surface should be rebalanced
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Question 58 of 82
58. Question
Placing a piece of cloth around a stainless steel control cable and running it back and forth over the length of the cable is generally a satisfactory method of inspecting for
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Question 59 of 82
59. Question
The cable-operated system of an all-metal aircraft, not incorporating a temperature compensating device, has been rigged to the correct tension in a heated hangar. If the aircraft is operated in very cold weather, the cable tension will
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Question 60 of 82
60. Question
Very often, repairs to a control surface require static rebalancing of the control surface. Generally, flight control balance condition may be determined by
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Question 61 of 82
61. Question
Excessive wear on both f the sides of a control cable pulley groove is evidence of
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Question 62 of 82
62. Question
Fairleads should never deflect the alignment of a cable more than
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Question 63 of 82
63. Question
Where does the breakage of control cable wires occur most frequently?
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Question 64 of 82
64. Question
With which system is differential control associated?
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Question 65 of 82
65. Question
Which statement concerning the 100-hour inspection of an airplane equipped with a push-pull tube-type control system is true?
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Question 66 of 82
66. Question
If control cables are adjusted properly and the control surfaces tend to vibrate, the probable cause is
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Question 67 of 82
67. Question
Aircraft flight control trim systems must be designed and installed so that the
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Question 68 of 82
68. Question
Stability about the axis which runs parallel to the line of flight is referred to as
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Question 69 of 82
69. Question
The purpose of spring tabs or servo tabs is to
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Question 70 of 82
70. Question
If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move
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Question 71 of 82
71. Question
Movement of the cockpit control toward the nose-down position during a ground operational check of the elevator trim tab system will cause the trailing edge of the trim lab to move in which direction?
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Question 72 of 82
72. Question
If the control stick of an aircraft with properly rigged flight controls is moved forward and to the right, the left aileron will move
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Question 73 of 82
73. Question
If the travel of an airplane’s controls is correct but the cables are rigged exceptionally tight, what probable effect will this have when flying the airplane?
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Question 74 of 82
74. Question
During inspection of the flight control system of an airplane equipped with differential-type aileron control, side-to-side movement of the control stick will cause
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Question 75 of 82
75. Question
A universal propeller protractor used to measure the degrees of aileron travel should be zeroed
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Question 76 of 82
76. Question
The universal propeller protractor can be used to measure
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Question 77 of 82
77. Question
Refer to Figure 8. Identify the cable that is used in primary control systems and in other places where operation over pulleys is frequent
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Question 78 of 82
78. Question
A tension regulator in the flight control cable system of a large all-metal aircraft is used primarily to
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Question 79 of 82
79. Question
Refer to Figure 9. When the outside air temperature is 80 degrees F., select the acceptable 3/16 cable tension range.
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Question 80 of 82
80. Question
Differential control on an aileron system means that
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Question 81 of 82
81. Question
Why is it generally necessary to jack an aircraft indoors for weighing?
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Question 82 of 82
82. Question
Which should be accomplished before jacking an aircraft?
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