Aircraft Hardware Flashcards
(138 cards)
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
Identify
Stump-type Lockbolt
26
Identify
Pull-type Lockbolt
27
Identify
Blind-type Lockbolt
28
The location where Rivnuts are typically located
Deicing boots
29
Aircraft bolts, screws and nuts are threaded in
1. American National Course
2. American National Fine
3. American Standard Unified Course
4. American Standard Unified Fine
30
The 5 classes of fits for threads
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
Differnce between Class 1 and Class 5 fit of threads
Class 1 can be tightneded by hand,
Class 5 requires tools from start to finish
32
Threaded fasteners diameters are given in
1/16 inch
33
Threaded fasteners lengths are given in
1/8 inch
34
If the length of a bolt is greater than one inch, the code identification is given
with two numbers for length, the first being the whole number in inches
the second being the fraction assumed in 1/8
35
Identify
1. Head
2. Grip
3. Point
4. Grip length
5. Thread length
6. Length
36
Unless otherwise specified, an aircraft bolt is made of
cadmium-plated nickel steel
37
The letter "C" in between the bolt diameter and length indicate
Corrosion resistant steel
38
The letters "DD" in between the bolt diameter and length indicate
Aluminium alloy
39
Identify the types of hardware:
AN4-6
AN4C6
AN4DD6
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
The FAA forbids the use of aluminium alloy and steel alloy bolts smaller than\_\_\_\_\_ on structural components
AN3
41
When the letter "A" appears after the bolt dash number
This letter indicates that the bolt does not have a hole in the shank
42
When the letter "A" DOES NOT appear after the bolt dash number
The absence of this letter indcates that the bolt has a hole in the shank
43
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
"H"
The bolt has a drilled head for safetying
44
The tolerance that Close Tolernce bolts have
+0.000", -0.0005"
45
What must be doen to a close tolerance bolt prior to installation
Shank is Lubricated with grease to provide some degree of corrsion protection since the tolerence is so tight
46
The type of bolt ONLY used for shear loads
Clevis bolts
47
Typical application of Clevis bolts
Control cable installations
48
What the grip length of a bolt must be equal to
The material thickness
49
The common practice for when the grip length of a bolt is greater than the material's thickness
Addition of washers
50
The direction that a bolt should not be installed in unless otherwise specfied
upside down
51
Never assume that a control cable is clear of a bolt until
The bellcrank has been inspected for full travel
52
Identify
1. Control surface
2. Bellcrank
3. Cable
53
Identify
Close Tolerance Bolt
54
Identify
Clevis Bolt
55
Identify
Wing nut
56
Identify
Slotted Engine Nut
57
Identify thread type
1. Type A
2. Type B
58
Identify
Filister Screw
59
Identify
Round head
60
Indentify
Truss Screw
61
The main differnce between machine screws and bolts
Botls have an unthreaded portion (shank) and screws have threads running the entire length
62
The application of pins as hardware in aviation
Means of safetying in shear applications
63
The 4 types of pins in avaiton (hardware)
1. Roll pin
2. Cotter pin
3. Tapper pin
4. Clevis pin
64
Identify
roll pin
65
Indentify
Taper pins
66
Identify
Clevis pin
67
Identify
Split lock washer
68
Identify
Counter sunk washer
69
Indetify
Shake proof washer
70
Indentify
Plain washer
71
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
HELI-COIL Insert
72
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
Hellicoil
73
Helicoil kit
74
Identify
Turnlock Fastener
75
List 4 self plugging mechaincal rivets
1. CerryMax
2. CherryLock
3. Olympic-Loc
4. Huck
76
Identify
Aluminium Alloy 2024
77
Identify
CRES
78
Identify
Magnetically Inspected
79
Identify
Special Bolt
80
Identify
Standard steel bolt
81
The type of loading that should be avoided when using a self-locking nut on an aircraft bolt
Should not be used if there are any rotational forces applied to the nut or bolt
82
How tight the nut should be installed on a clevis bolt that is used to attach a cable fitting to a control surface horn
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
The type of area which self-tapping sheet metal screws should not be used in
Anything structural
84
How to tell when a self-locking nut must be discarded
When the self-locking nut can be screwed on to the bolt withou the use of a wrench
85
Of what two materials are cotter pins made from
1. Low carbon steel
2. CRES
86
The smallest size cable that is allowed to be used in the primary control system of an aircraft
1/8" diameter
87
The type of control cable that must be used when pulleys are used to change the direction of cable travel
Extra-flexible cable (7x19)
88
The popular tradename brand of lockbolt used in aviation
Hi-Lok
89
The 2 tools used to install and tighten a Hi-Lok
1. Wrench
2. Allen key
90
List 6 tradenames of special fastener hardware used on aircraft
1. Hi-Lok
2. Hi-Lite
3. Cherrybuck
4. Taper-Lok
5. Hi-Tigue
6. Jo-bolt
91
The 2 general types of self-locking nuts used in avation
1. Nylon type
2. All metal type
92
The "A", or the absence of an "A" in between the dash identification number of a bolt means
An "A" means that the bolt has course threads
The absence of the "A" means that the bolt has fine threads
93
Explain what this is
A bolt, with a nut screwed to the grip, and held in place with a cotter pin
94
Identify
Standard steel bolt
95
Identify
Cap nut
96
Identify
Acorn nut
97
Identify
Hexnut
98
Identify
Nylon insert nut
99
Identify
Flangenut
100
Identify
Square nut
101
Indentify
Coupling nut
102
Identify
One lug anchor nut
103
Identify
Corner Anchor nut
104
Identify
Two lug anchor nut
105
Identify
U-type Tinnerman nut
106
U-type Tinnerman nuts provide convienent achor points for \_\_\_\_\_\_, ________ and \_\_\_\_\_\_\_\_
cowlings, fairings and pannels
107
The tradenames of the 3 most common turnlock fasteners
1. Dzus fastener
2. Airloc Fastener
3. Camloc
108
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
ACRES Sleeves
109
Identify
ACRES Sleeve
110
The degree of turn required to lock a Dzus fastener
90 degree (quarter) turn
111
112
Desribe what this is
General parts and installation a Dzus fasteners
113
Identify
Camloc
114
Explain the MAIN disadvantage of cabling and terminal systems
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
How large transport categroy aircraft deal with tension loss in control cables
Automatic tensioning system
116
Where Non-flexible cable can be used
In areas where linkage does not pass over any pulleys
117
The 2 conifgurations of non felxible cables
1. 1 x 7
2. 1 x 19
118
The 2 types of steel used for control cables
1. Galvonized
2. Stainless
119
The 2 configurations of flexible cables
1. 7 x7
2. 7 x 19
120
Configuration of cable
1x7 non flexible
121
Configuration of cable
1x19 non flexible
122
Configuration of cable
7x7 flexible
123
Configuration of cable
7x19 flexible
124
Name this device and what it's used for
Tensiometer, used to measure tension of aircraft control cables
125
Control cables are terminated with
swaged terminals
126
To ensure that a terminal is properly swaged, the AMT must use
a go/no go gauge
127
Nicopress oval sleeves are made out of
Copper
128
Nicopress sleeves are wrapped around an
AN100 thimble
129
How much of the cable must be protruding from a nicipress oval sleeve prior to squeezing it
1/16"
130
Identify
Nicopress Sleeve
131
What device allows the tension of a control cable to be adjusted
Turnbuckle
132
2 crimping sequences for a Nicopress sleve
1. Middle first, one end second, one end thrid
2. End first, middle second, one end third
133
Thread directions of the two ends of a turn buckle
one is right hand threads, the other is left hand threads
134
How will the AMT inspect the control cable for any damaged strands?
Run a cloth over the wire to and check for any snags
135
the 2 conditions for replaing felxibible and non felxible control cables
1. When the wires appear to blend together
2. When 50% of the outter wires are worn
136
Identify the two types of bolts
1. Machine Bolt
2. Stud-bolt
137
The safetying method most preferred for safetying turnbuckles
double wrapping
138
