Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A&P - Airframe > Assembly and Rigging > Flashcards

Assembly and Rigging Flashcards

1
Q

The auxiliary (tail) rotor of a helicopter permits the pilot to compensate for and/or accomplish which of the following?

A

Torque and directional control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The vertical flight of a helicopter is controlled by

A

collective pitch changes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A reduction in anti-torque thrust will cause the

A

tail to pivot in the direction of torque rotation around the main rotor axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A decrease in pitch angle of the tail rotor blades on a helicopter

A

tail to pivot in the direction of torque rotation around the main rotor axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

In rotorcraft external-loading, the ideal location of the cargo release is where the line of action passes

A

through the centre of gravity at all times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The acute angle formed by the chord line of a wing and the relative wind is known as the

A

angle of attack

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A helicopter in forward flight, cruise configuration, changes direction by

A

tilting the motor rotor disk in the desired direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The purpose in checking main rotor blade tracking is to determine the

A

relative position of the blades during rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In a hovering helicopter, equipped with a tail rotor, directional control is maintained by

A

varying the pitch of the tail rotor blades

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

If a single motor helicopter is in forward horizontal flight, the angle of attack of the advancing blade is

A

less than the retreating blade

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Main rotor blades that do not come by the same amount during rotation are said to be out of

A

track

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

One purpose of the freewheeling unit required between the engine and helicopter transmission is to

A

automatically disengage the rotor from the engine in case of engine failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which statement is correct concerning torque effect on helicopters?

A

Torque direction is the opposite of the rotor blade direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the purpose of the free-wheeling unit in a helicopter drive system?

A

It disengages the engine from the main rotor when engine RPM is less than rotor RPM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Movement about the longnitudinal axis (roll) in a helicopter is affected by movement of the

A

cyclic pitch control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Movemenbt about the lateral axis (pitch) in a helicopter is affected by movement of the

A

cyclic pitch control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Wing dihedral, a rigging consideration on most airplanes of conventional design, contributes most stability of the airplane about its

A

longnitudinal axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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?

A

Aircraft Type Certificate Data Sheet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

If a pilot reports that an airplanes flies left wing heavy, this condition may be corrected by

A

increasing the angle of incidence of the left wing or decreasing the angle of incidence of the right wing or both

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

If the vertical fin of a single engine, propeller driven airplane is rigged properly, it will generally be parallel to

A

the vertical axis but not the longitudinal axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

An airplane which has good longitudinal stability should have a minimum tendency to

A

pitch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

As the angle of attack of an airfoil increases, the centre of pressure will

A

move toward the leading edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The angle of incidence is that acute angle formed by

A

a line parallel to the wing chord and a line parallel to the longitudinal axis of the aircraft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

An aircraft centre of lift is usually located aft of its centre of gravity

A

so that the airplane will have a nose heavy tendency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

An aircraft is controlled directionally about its vertical axis by the

A

rudder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The elevators of a conventional airplane are used to provide rotation about the

A

lateral axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Washing-in the left wing of a monoplane, for purposes of rigging corrections after the flight test, will have what effect on the lift and drag of that wing?

A

Both drag and lift will increase due to increased angle of attack

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What type of flap system increases the wing area and changes the wing camber?

A

Fowler flaps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

If the right wing wing of a monoplane, is improperly rigged to a greater angle of incidence than designated in the manufacture’s specification, it will cause the

A

airplane to be off balance both laterally and directionally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The chord of a wing is measured from

A

leading edge to trailing edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

When the lift on a airfoil increases, the drag will

A

also increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What physical factors are involved in the aspect ratio of airplane wings?

A

Span and control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Improper rigging of the elevator trim tab system will affect the balance of the airplane about its

A

lateral axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

An airplane that has a tendency to gradually increase a pitching moment that has been set into motion has

A

poor longitudinal stability

35
Q

The purpose of wing slats is

A

to reduce stalling speed

36
Q

The angle of incidence of an airplane at rest

A

does not change when in flight

37
Q

Buffeting is the intermittent application of forces to a part of an airplane. It is caused by

A

an unsteady flow from turbulence

38
Q

Movement of an airplane along its lateral axis (roll) is also movement

A

around or about the longitudinal axis controlled by the ailerons

39
Q

The primary purpose of stall strips is to

A

stall the inboard portion of the wings first

40
Q

If all, or a significant part of a stall strip is missing on a airplane wing, a likely result will be

A

asymmetrical lateral control at or near stall angles of attack

41
Q

Rigging and alignment checks should not be undertaken in the open. However, if this can not be avoided, the aircraft should be positioned with the

A

nose into the wind

42
Q

The correct dihedral angle can be determined by

A

using a dihedral board and bubble level along the front spar of each wing

43
Q

The dihedral angle of a wing may be measured by placing a straightedge and level protractor on the

A

front spar

44
Q

Where would you find precise information to perform a symmetry alignment check for a particular aircraft?

A

Aircraft Service or Maintenance Manual

45
Q

Where is the buttock line of an aircraft

A

A width measurement left or right and parallel to the vertical centre line

46
Q

Where is fuselage station No.137 located?

A

137 inches aft of zero or fixed reference line

47
Q

Proper wing twist in a sheet metal constructed wing can usually be checked by utilizing a

A

bubble level and special fixtures described by the manufacturer

48
Q

The vast majority of aircraft control cables are terminated with swaged terminals that must be

A

checked with a go-no-go gauge before and after, to show compliance with the manufactures requirements after the swaging operation

49
Q

What non-destructive checking method is normally used to ensure that the correct amount of swaging has taken place when installing type terminals on aircraft control cables?

A

Use a terminal gauge to check the diameter of the swaged portion of the terminal

50
Q

When inspecting a control cable turnbuckle for proper installation, determine that

A

the safety wire ends are wrapped a minimum 4 times around the terminal end shanks

51
Q

Safety wire of .020-inch diameter may be used on parts having a nominal hole diameter of .045 inch and .062 with a spacing between the parts of

A

2 inches

52
Q

If all instruction issued by the swaging tool manufacturer are followed when swaging a cable terminal, the resultant swaged terminal strength should be

A

the full rated strength of the cable

53
Q

Which is an acceptable safety device for a castle nut when installed on secondary structures?

A

Cotter pin

54
Q

When installing a acceptable safety device for a castle nut when installed on secondary structure?

A

Cotter Pin

55
Q

When installing a castle nut, start alignment with the cotter pin hole at the

A

minimum recommended torque plus friction drag torque

56
Q

When used in close proximity to magnetic compasses, cotter pins are made of what material?

A

Corrosion resisting steel

57
Q

When a fibre 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

A

rejected

58
Q

The purpose of the vertical fin is to provide

A

directional stability

59
Q

How are changes in direction of a control cable accomplished?

A

Pulleys

60
Q

What is the smallest size cable that may be used in primary control systems

A

1/8 inch

61
Q

After repairing or re-covering a rudder, the surface should be rebalanced

A

to manufactures specification

62
Q

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

A

broken strands

63
Q

The cable-operated control 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

A

decrease when the aircraft structure and cables become cold

64
Q

Very often, repairs to a control surface require static rebalancing of control surface. Generally, flight control balance condition may be determined by

A

the behavior of the trailing edge when the surface is suspended from its hinge points

65
Q

Excessive wear on both of the sides of a control cable pulley grove is evidence of

A

pulley misalignment

66
Q

Fairleads should never deflect the alignment of a cable more than

A

3 degrees

67
Q

Where does the breakage of control cable wires occur most frequently

A

Breakage usually occurs where control cables pass over pulleys and through fairleads

68
Q

With which system is differential control associated?

A

Aileron

69
Q

Which system concerning the 100 hour inspection of an airplane equipped with a push pull tube type control system is true?

A

The threaded rod ends should be checked for the amount of threaded engagement by means of the inspection hole provided

70
Q

If control cable are adjusted properly and the control surfaces tend to vibrate, the probable cause is

A

worn attachment fittings

71
Q

Aircraft flight control trim systems must be designed and installed so that the

A

pilot can determine the relative position of the trim tab from the cockpit

72
Q

Stability about the axis which runs parallel to the line of flight is known as

A

lateral stability

73
Q

The purpose of spring tabs or servo tabs is to

A

assist the pilot in moving the control surfaces

74
Q

If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move

A

down and the elevator will move up

75
Q

Movement of the cockpit control toward the nose down position during ground operational check of the elevator tab trim system will cause the trailing edge of the trim tab to move in which direction?

A

Upward regardless of elevator position

76
Q

If the control stick of an aircraft with properly rigged flight controls is moved forward and to the right, the left aileron will move

A

down and the elevator will move down

77
Q

If the travel of an airplane’s control is correct but the cable are rigged exceptionally tight, what probable effect will this have when flying the airplane?

A

The airplane will be heavy on the controls

78
Q

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

A

each aileron to have a greater up travel (from the streamlined position) than down travel

79
Q

A universal propeller protractor used to measure the degrees of aileron travel should be zeroed

A

with the aileron at the NEUTRAL position

80
Q

The universal propeller protractor can be used to measure

A

degrees of flap travel

81
Q

A tension regulator in the flight control cable system of a large all-metal aircraft is used primarily to

A

retain a set tension

82
Q

Differential control on an aileron system means that

A

the up travel is more than the down travel

83
Q

Why is it generally necessary to jack and aircraft indoors for weighing

A

So that air currents do not destabilize the scales

84
Q

Which should be accomplished before jacking an aircraft?

A

Install critical stress panels or plates

A&P - Airframe (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions