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Flashcards in Aircraft Hardware Deck (138)
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1
Q

Before the rivet is actually driven, the actual distance the rivet must extend out of the material is by:

A

1.5 x Diameter

2
Q

AMS rivet stands for

A

Aeronautical Material Specs

3
Q

AND rivet stands for

A

Air-force Navy Design

4
Q

AS rivet stands for

A

Aeronautical Standard

5
Q

ASA rivet stands for

A

American Standards Association

6
Q

ASTM rivets stands for

A

American Society for Testing Materiels

7
Q

NAS rivets stands for

A

National Aerospace Standard

8
Q

SAE rivets stands for

A

Society of Automotive Engineers

9
Q

Rivets are designed to withstand ________ stress

A

shear

10
Q

Universal Head number

A

470

11
Q

Countersunk Head number

A

426

12
Q

The process of cutting away metal on top of sheet metal for using 426 rivets is termed:

A

countersinking

13
Q

The mechanical denting of sheets to be joined together is termed:

A

dimpling

14
Q

The reason why gusset driving energy would be lost

A

Full contact with rivet head is not made

15
Q
A

470E

Alloy 7050 Zinc

16
Q
A

470D

Alloy 2017 Copper

17
Q
A

470A

Alloy 1100 Aluminium

18
Q
A

470DD

Alloy 2024 Copper

19
Q
A

470B

Alloy 5056 Magnesiunm

20
Q
A

470AD

Alloy 2117 Copper

21
Q

Rivet with two recessed dimples in the head

A

470M

Alloy Monel

22
Q

Identify

A

Pop rivet

23
Q

Identify the catagory of hardware

A

Mechanical lock rivets

24
Q

Identify

A

CherryMax rivet

25
Q

Identify

A

Stump-type Lockbolt

26
Q

Identify

A

Pull-type Lockbolt

27
Q

Identify

A

Blind-type Lockbolt

28
Q

The location where Rivnuts are typically located

A

Deicing boots

29
Q

Aircraft bolts, screws and nuts are threaded in

A
  1. American National Course
  2. American National Fine
  3. American Standard Unified Course
  4. American Standard Unified Fine
30
Q

The 5 classes of fits for threads

A
  1. Class 1- loose fit
  2. Class 2- freee fit
  3. Class 3- medium fit
  4. Class 4- close fit
  5. Class 5- tight fit
31
Q

Differnce between Class 1 and Class 5 fit of threads

A

Class 1 can be tightneded by hand,

Class 5 requires tools from start to finish

32
Q

Threaded fasteners diameters are given in

A

1/16 inch

33
Q

Threaded fasteners lengths are given in

A

1/8 inch

34
Q

If the length of a bolt is greater than one inch, the code identification is given

A

with two numbers for length, the first being the whole number in inches

the second being the fraction assumed in 1/8

35
Q

Identify

A
  1. Head
  2. Grip
  3. Point
  4. Grip length
  5. Thread length
  6. Length
36
Q

Unless otherwise specified, an aircraft bolt is made of

A

cadmium-plated nickel steel

37
Q

The letter “C” in between the bolt diameter and length indicate

A

Corrosion resistant steel

38
Q

The letters “DD” in between the bolt diameter and length indicate

A

Aluminium alloy

39
Q

Identify the types of hardware:

AN4-6

AN4C6

AN4DD6

A
  1. Cadmium plated nickel steel 4/16 dia, 6/8 lgt
  2. CRES 4/16 dia, 6/8 lgt
  3. Aluminium 4/16 dia, 6/8 lgt
40
Q

The FAA forbids the use of aluminium alloy and steel alloy bolts smaller than_____ on structural components

A

AN3

41
Q

When the letter “A” appears after the bolt dash number

A

This letter indicates that the bolt does not have a hole in the shank

42
Q

When the letter “A” DOES NOT appear after the bolt dash number

A

The absence of this letter indcates that the bolt has a hole in the shank

43
Q

A bolt such as those used for fastening propellers into flanged shafts have “_” after the dash number on the bolt code and this signifies that

A

“H”

The bolt has a drilled head for safetying

44
Q

The tolerance that Close Tolernce bolts have

A

+0.000”, -0.0005”

45
Q

What must be doen to a close tolerance bolt prior to installation

A

Shank is Lubricated with grease to provide some degree of corrsion protection since the tolerence is so tight

46
Q

The type of bolt ONLY used for shear loads

A

Clevis bolts

47
Q

Typical application of Clevis bolts

A

Control cable installations

48
Q

What the grip length of a bolt must be equal to

A

The material thickness

49
Q

The common practice for when the grip length of a bolt is greater than the material’s thickness

A

Addition of washers

50
Q

The direction that a bolt should not be installed in unless otherwise specfied

A

upside down

51
Q

Never assume that a control cable is clear of a bolt until

A

The bellcrank has been inspected for full travel

52
Q

Identify

A
  1. Control surface
  2. Bellcrank
  3. Cable
53
Q

Identify

A

Close Tolerance Bolt

54
Q

Identify

A

Clevis Bolt

55
Q

Identify

A

Wing nut

56
Q

Identify

A

Slotted Engine Nut

57
Q

Identify thread type

A
  1. Type A
  2. Type B
58
Q

Identify

A

Filister Screw

59
Q

Identify

A

Round head

60
Q

Indentify

A

Truss Screw

61
Q

The main differnce between machine screws and bolts

A

Botls have an unthreaded portion (shank) and screws have threads running the entire length

62
Q

The application of pins as hardware in aviation

A

Means of safetying in shear applications

63
Q

The 4 types of pins in avaiton (hardware)

A
  1. Roll pin
  2. Cotter pin
  3. Tapper pin
  4. Clevis pin
64
Q

Identify

A

roll pin

65
Q

Indentify

A

Taper pins

66
Q

Identify

A

Clevis pin

67
Q

Identify

A

Split lock washer

68
Q

Identify

A

Counter sunk washer

69
Q

Indetify

A

Shake proof washer

70
Q

Indentify

A

Plain washer

71
Q

The piece of hardware used to protect soft materials such as aluminium, magnesium and plastic from suffering damage from wear each time that a screw needs to be removed or reinserted

A

HELI-COIL Insert

72
Q

The hardware that may be installed in certain components when the threads of that component are stripped, which will restore the ability to screw hardware in and out

A

Hellicoil

73
Q
A

Helicoil kit

74
Q

Identify

A

Turnlock Fastener

75
Q

List 4 self plugging mechaincal rivets

A
  1. CerryMax
  2. CherryLock
  3. Olympic-Loc
  4. Huck
76
Q

Identify

A

Aluminium Alloy 2024

77
Q

Identify

A

CRES

78
Q

Identify

A

Magnetically Inspected

79
Q

Identify

A

Special Bolt

80
Q

Identify

A

Standard steel bolt

81
Q

The type of loading that should be avoided when using a self-locking nut on an aircraft bolt

A

Should not be used if there are any rotational forces applied to the nut or bolt

82
Q

How tight the nut should be installed on a clevis bolt that is used to attach a cable fitting to a control surface horn

A

The nut on a clevis bolt should be just tight enough to prevent the clevis bolt from turning in the cable fitting and the horn

83
Q

The type of area which self-tapping sheet metal screws should not be used in

A

Anything structural

84
Q

How to tell when a self-locking nut must be discarded

A

When the self-locking nut can be screwed on to the bolt withou the use of a wrench

85
Q

Of what two materials are cotter pins made from

A
  1. Low carbon steel
  2. CRES
86
Q

The smallest size cable that is allowed to be used in the primary control system of an aircraft

A

1/8” diameter

87
Q

The type of control cable that must be used when pulleys are used to change the direction of cable travel

A

Extra-flexible cable (7x19)

88
Q

The popular tradename brand of lockbolt used in aviation

A

Hi-Lok

89
Q

The 2 tools used to install and tighten a Hi-Lok

A
  1. Wrench
  2. Allen key
90
Q

List 6 tradenames of special fastener hardware used on aircraft

A
  1. Hi-Lok
  2. Hi-Lite
  3. Cherrybuck
  4. Taper-Lok
  5. Hi-Tigue
  6. Jo-bolt
91
Q

The 2 general types of self-locking nuts used in avation

A
  1. Nylon type
  2. All metal type
92
Q

The “A”, or the absence of an “A” in between the dash identification number of a bolt means

A

An “A” means that the bolt has course threads

The absence of the “A” means that the bolt has fine threads

93
Q

Explain what this is

A

A bolt, with a nut screwed to the grip, and held in place with a cotter pin

94
Q

Identify

A

Standard steel bolt

95
Q

Identify

A

Cap nut

96
Q

Identify

A

Acorn nut

97
Q

Identify

A

Hexnut

98
Q

Identify

A

Nylon insert nut

99
Q

Identify

A

Flangenut

100
Q

Identify

A

Square nut

101
Q

Indentify

A

Coupling nut

102
Q

Identify

A

One lug anchor nut

103
Q

Identify

A

Corner Anchor nut

104
Q

Identify

A

Two lug anchor nut

105
Q

Identify

A

U-type Tinnerman nut

106
Q

U-type Tinnerman nuts provide convienent achor points for ______, ________ and ________

A

cowlings, fairings and pannels

107
Q

The tradenames of the 3 most common turnlock fasteners

A
  1. Dzus fastener
  2. Airloc Fastener
  3. Camloc
108
Q

If a hole has worn, oversized or if there is corrosion in the hole that cannot be cleaned out, the part may be servicible by installing

A

ACRES Sleeves

109
Q

Identify

A

ACRES Sleeve

110
Q

The degree of turn required to lock a Dzus fastener

A

90 degree (quarter) turn

111
Q
A
112
Q

Desribe what this is

A

General parts and installation a Dzus fasteners

113
Q

Identify

A

Camloc

114
Q

Explain the MAIN disadvantage of cabling and terminal systems

A

Cables are made of steel. In cold weather, the aluminium of the aircraft contracts much more than the steel does and the cables loose their tension.

115
Q

How large transport categroy aircraft deal with tension loss in control cables

A

Automatic tensioning system

116
Q

Where Non-flexible cable can be used

A

In areas where linkage does not pass over any pulleys

117
Q

The 2 conifgurations of non felxible cables

A
  1. 1 x 7
  2. 1 x 19
118
Q

The 2 types of steel used for control cables

A
  1. Galvonized
  2. Stainless
119
Q

The 2 configurations of flexible cables

A
  1. 7 x7
  2. 7 x 19
120
Q

Configuration of cable

A

1x7 non flexible

121
Q

Configuration of cable

A

1x19 non flexible

122
Q

Configuration of cable

A

7x7 flexible

123
Q

Configuration of cable

A

7x19 flexible

124
Q

Name this device and what it’s used for

A

Tensiometer, used to measure tension of aircraft control cables

125
Q

Control cables are terminated with

A

swaged terminals

126
Q

To ensure that a terminal is properly swaged, the AMT must use

A

a go/no go gauge

127
Q

Nicopress oval sleeves are made out of

A

Copper

128
Q

Nicopress sleeves are wrapped around an

A

AN100 thimble

129
Q

How much of the cable must be protruding from a nicipress oval sleeve prior to squeezing it

A

1/16”

130
Q

Identify

A

Nicopress Sleeve

131
Q

What device allows the tension of a control cable to be adjusted

A

Turnbuckle

132
Q

2 crimping sequences for a Nicopress sleve

A
  1. Middle first, one end second, one end thrid
  2. End first, middle second, one end third
133
Q

Thread directions of the two ends of a turn buckle

A

one is right hand threads, the other is left hand threads

134
Q

How will the AMT inspect the control cable for any damaged strands?

A

Run a cloth over the wire to and check for any snags

135
Q

the 2 conditions for replaing felxibible and non felxible control cables

A
  1. When the wires appear to blend together
  2. When 50% of the outter wires are worn
136
Q

Identify the two types of bolts

A
  1. Machine Bolt
  2. Stud-bolt
137
Q

The safetying method most preferred for safetying turnbuckles

A

double wrapping

138
Q
A