Brainscape's Knowledge GenomeTM

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


See full index

Mod 6: Materials & Hardware > Exam Type Questions (Class) > Flashcards

Exam Type Questions (Class) Flashcards

1
Q

When a metal is called Ferrous, it means that the metal contains?

a. Carbon
b. Iron
c. No Iron

A

b. Iron

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

What material is commonly used in the construction of aircraft firewalls?

a. Aluminium
b. High Carbon Steel
c. Stainless Steel

A

c. Stainless Steel

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

What type of steel is commonly used to manufacture spanners/wrenches?

a. Nickel-Chrome
b. Chrome-Vanadium
c. Chrome-Molybdenum

A

b. Chrome-Vanadium

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

What system is used in the classification of steels?

a. SAE (Society of Aircraft Engineers)
b. AA ( Association of America)
c. SAE (Society of Automotive Engineers)

A

c. SAE (Society of Automotive Engineers)

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

Steel containing between 0.3% & 0.5% carbon is ref. to as?

a. Low Carbon Steel
b. Medium Carbon Steel
c. High Carbon Steel

A

b. Medium Carbon Steel

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

Heat treatment process known as annealing is carried out on steel to?

a. Soften the material
b. Harden the material
c. Prepare the material for painting

A

a. Soften the material

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

The tip of a hardened steel chisel can have some of the hardness drawn out of it, to relieve stress and improve ductility by a process known as?

a. Normalising
b. Annealing
c. Tempering

A

c. Tempering

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

What is the raw material used in the production of aluminium?

a. Alumina
b. Bauxite
c. Beach sand

A

b. Bauxite

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

What is the primary disadvantage of pure aluminium as an aircraft structural materal?

a. Pure aluminium does not have the required strength for structural applications
b. Pure aluminium is too heavy
c. Pure aluminium is hard to machine

A

a. Pure aluminium does not have the required strength for structural applications

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

How can the strength of non-heat treatable aluminium alloys be increased?

a. By annealing
b. By strain hardening, or cold working
c. It is not possible to increase the strength of them

A

b. By strain hardening, or cold working

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

What’s the chief alloying element in 7075 aluminium alloy?

a. Zinc
b. Magnesium
c. Copper

A

a. Zinc

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

What type of material is used to clad an aluminium alloy?

a. Cadmium
b. Copper.
c. Pure Aluminium

A

c. Pure Aluminium

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

What the is the percentage of the material thickness that is cladded on an aluminium alloy component?

a. 1 - 3 %
b. 3 - 5 %
c. 5 - 7 %

A

b. 3 - 5 %

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

What’s the purpose of cladding aluminium alloys?

a. It is acid proof.
b. It acts as a surface protection against corrosion of the alloy underneath
c. it is decorative

A

b. It acts as a surface protection against corrosion of the alloy underneath

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

What do the letters SAE stand for?

a. Shannon Aerospace Engineering
b. Standard Aviation Engineering
c. Society of Automotive Engineers

A

c. Society of Automotive Engineers

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

In what condition is the alloy designated 2024 - T3?

a. Strain hardened only
b. Solution heat-treated and cold worked.
c. Solution heat treated and artificially aged

A

b. Solution heat-treated and cold worked.

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

Why refrigerate 2017 and 2024 aluminium alloy rivets after heat treatment?

a. To retard age hardening
b. To accelerate age hardening
c. To prevent work hardening

A

a. To retard age hardening

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

What is the temper designation of an aluminium alloy, which has been solution heat treated and artificially aged?

a. T3
b. T6

c T4

A

b. T6

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

Which of the groups below shows only non-heat treatable aluminium alloys?

a. 1100, 3003, 5052, 5056
b. 3003, 5056, 1100, 2117
c. 5052, 2024, 2017, 2117

A

a. 1100, 3003, 5052, 5056

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

When material is bent around a radius what happens to the material?

a. It is solution heat-treated
b. It is annealed
c. It is cold worked

A

c. It is cold worked

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

What temperature must 2024 aluminium alloy be solution heat treated at?

a. 395 + 5C
b. 495 + 5C
c. 515 + 5C

A

b. 495 + 5C

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

On a threaded component, which measurement is the ‘‘thread depth’’?

(a) The thread major diameter less the thread root.
(b) Thread crest to thread root
(c) The threaded length of the component

A

(b) Thread crest to thread root

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

On a threaded component ‘‘thread pitch’’ os described as: -

(a) The distance between the major diameter and the minor diameter
(b) The distance from the centre of one crest to the centre of the next
(c) The number of threads on a component

A

(b) The distance from the centre of one crest to the centre of the next

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

In a triple threaded screw, one revolution corresponds to:

(a) 1 Pitch’s
(b) 2 Pitch’s
(c) 3 Pitch’s

A

(c) 3 Pitch’s

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

While wire-locking the twists should be tight and even, applying no more than: -

(a) The highest limit in terms of twists when using .040’’ size wire
(b) 6 - 8 twists per inch
(c) 7 - 10 twists per inch

A

(c) 7 - 10 twists per inch

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

The advantage of a ‘‘P.L.I’’ washer is that: -

(a) Over torquing is impossible
(b) They are self-locking
(c) A bolt may be tightened to a pre-determined torque

A

(c) A bolt may be tightened to a pre-determined torque

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

Given the fastener part number NAS 6607-9D, how should it be safely secured?

(a) By lock wire
(b) By split pin
(c) By lock washer

A

(b) By split pin

D stands for drilled shank

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

Which of the following screws is not threaded over the full length?

(a) Machine Screws
(b) Structural Screws
(c) Self-tapping screws

A

(b) Structural Screws

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

How many bolt threads should appear above a self-locking nut?

(a) 1, 1/2
(b) 2, 1/2
(c) 3, 1/2

A

(b) 2, 1/2

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

The purpose of a self-aligning washer is to?

(a) To help align a nut and bolt
(b) To use on an inclined surface
(c) To align two or more parts together

A

(b) To use on an inclined surface

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

Nylon insert self-locking nuts should not be used in areas where the temperature exceeds:

(a) 90 degrees C
(b) 120 degrees C
(c) 110 degrees C

A

(b) 120 degrees C

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

Which aircraft screw had a blunt point to it:

(a) Type ‘‘A’’
(b) Type ‘‘B’’
(c) Type ‘‘C’’

A

(b) Type ‘‘B’’

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

What does a circle on the head of a bolt indicate

(a) Reworked bolt
(b) Close tolerance bolt
(c) Magnetically inspected

A

(a) Reworked bolt

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

Washers are used to: -

(a) Act as a bearing surface for the nut
(b) Keep the nut separated from the surface of the material
(c) Accomodate different diameter bolts in the same diameter hole

A

(a) Act as a bearing surface for the nut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What is the most common type of Boeing aircraft thread

(a) ISO Fine
(b) Unified Course
(c) Unified Fine

A

(c) Unified Fine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is the diameter of the following bolt BACB30LK3-4?

(a) Diameter of 3/32
(b) Diameter of 3/16
(c) Diameter of 4/16

A

(b) Diameter of 3/16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Where is a Clevis bolt normally used:

(a) High temperature areas
(b) Frequent installation and removal areas
(c) Shear applications only

A

(c) Shear applications only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What does a triangle with a star in it indicate on a bolt:

(a) Reworked bolt
(b) Close tolerance bolt
(c) Magnetically inspected

A

(b) Close tolerance bolt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What does the term grip length describe on a bolt?

(a) Plain shank only
(b) Includes the threads
(c) Threaded portion only

A

(a) Plain shank only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Below what fraction does the number series come into use for a bolt diameter?

(a) 4/16
(b) 3/4
(c) 5/16

A

(a) 4/16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Which of the following uses a second nut to lock it?

(a) Plain nut
(b) Castle nut
(c) Wing nut

A

(a) Plain nut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What type of aluminium alloy is used in a ‘‘D’’ aircraft rivert?

(a) 2117
(b) 2024
(c) 2017

A

(c) 2017

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Which head marking would be found on a ‘DD’ aircraft rivet?

(a) Dimple
(b) Teat
(c) Double Dash

A

(c) Double Dash

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What material letter code would you associate with a 5056 alloy rivet?

(a) A
(b) D
(c) B

A

(c) B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Over what size must 2017 T3 rivets be - heat treated?

(a) Over 1/8 ‘’
(b) Over 5/32 ‘’
(c) 3/16 ‘’

A

(c) 3/16 ‘’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Which head marking would be found on an ‘‘AD’’ aircaft rivet?

(a) Dimple
(b) Teat
(c) Double Dash

A

(a) Dimple

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Which aluminium alloy rivet has a ‘‘Raised Cross’’ marked on the thread?

(a) A
(b) AD
(c) B

A

(c) B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Which head marking on a rivet would signify a 2017 rivet?

(a) Dimple
(b) Teat
(c) Raised cross

A

(b) Teat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What material letter code would you associate with a 2017 alloy rivet?

(a) A
(b) D
(c) B

A

(b) D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Tension is a load desribed as: -

(a) A force that tends to compress
(b) A force that tends to stretch
(c) A forcet that tends to sever

A

(b) A force that tends to stretch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

What is the Material letter code for rivets with a raised double dash on the head?

(a) AD
(b) D
(c) DD

A

(c) DD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Identify the head style on an MS20426AD4-7 rivet?

(a) Countersink
(b) Universal
(c) Round

A

(a) Countersink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

MS20470D-6-5 indicates a rivet, which has:

(a) A shank length of 5/16’’ (excluding head)
(b) A shank length of 5/32’’ (excluding head)
(c) An overall length of 5/16’’

A

(a) A shank length of 5/16’’ (excluding head)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

What are two common loads that rivets are subject to?

(a) Compression and tension
(b) Shear and tension
(c) Shear and torsion

A

(b) Shear and tension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

What is the purpose of refrigerating 2017 and 2024 aluminium alloy rivets after heat treatment?

(a) To retard age hardening
(b) To accelerate age hardening
(c) To prevent work hardening

A

(a) To retard age hardening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

When riveting magnesium structures what rivet type would you use?

(a) AD
(b) M
(c) B

A

(c) B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

When carrying out the line maintenance and blind rivets have to be used, which of the following can not be used in place of a solid rivet?

(a) Cherry lock fastener
(b) Huck bolt fastener
(c) Cherry bulbed fastener

A

(a) Cherry lock fastener

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

What cherry fastener has a driving anvil?

(a) Cherry bulbed
(b) Cherry Lock
(c) Cherry Max

A

(c) Cherry Max

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

How many groups are the rivetnut lengths broken into?

(a) 2 grip groups
(b) 5 grip groups
(c) 6 grip groups

A

(c) 6 grip groups

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

In relation to cotter pins, the preferred method of installation is to: -

(a) Bend both legs around the nut
(b) Bend one leg over the bolt, not extending the diameter of the bolt, & bend the other leg down so as not to rest against the washer
(c) Use double wrap method

A

(b) Bend one leg over the bolt, not extending the diameter of the bolt, & bend the other leg down so as not to rest against the washer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

What is another name for a PAL nut?

(a) Check Nut
(b) Wing nut
(c) Castle nut

A

(a) Check Nut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

What is used to safety a castle nut?

(a) Locking wire
(b) Split pin
(c) Fiber washer

A

(b) Split pin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

How many times can a lock clip on a turnbarrel be used?

(a) Twice
(b) Once
(c) As often as necessary

A

(b) Once

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

The woodruff key is: -

(a) A segment of parallel square
(b) A segment of parallel disc
(c) A segment of parallel triangle

A

(b) A segment of parallel disc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Machine screws are generally used: -

(a) In non structural application
(b) In structural applications
(c) Both a and b

A

(a) In non structural application

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Which of the following are classed as lock washers?

(a) PLI washer
(b) Shake Proof washers
(c) Countersunk washers

A

(b) Shake Proof washers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

An aircraft plain nut can be locked: -

(a) By using a cotter pin
(b) With a check nut
(c) An aircraft plain nut is a self-locking nut

A

(b) With a check nut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

What is the name given to the part of an aircraft stud that is unthreaded?

(a) The metal area
(b) The plain area
(c) The tapered area

A

(b) The plain area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

What is the name given to the fastener used on floor boards that installed and removed easily and allows screw installation?

(a) Clip nut
(b) Tinnerman nut
(c) Anchor nut

A

(a) Clip nut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

How many times can a circlips be reused?

(a) Once only
(b) Twice - once either side
(c) As long as it’s serviceable

A

(c) As long as it’s serviceable

71
Q

What type of aluminium alloy is used in an ‘‘AD’’ aircraft rivet?

(a) 2117
(b) 2024
(c) 2017

A

(a) 2117

72
Q
A

Uses the aircraft structure to return electrical signal

73
Q
A

The current a cable can carry without exceeding a specific voltage drop

74
Q
A

Engine, APU and Air conditioning compartment

75
Q
A

Wires used in high temperature areas

76
Q
A

PTFE / KAPTON / PTFE

77
Q
A

Grounded at one end in circuits operating below 50 kHz

78
Q
A

Chromel and Alumel

79
Q
A

ADF

80
Q
A

150mm to 500mm

81
Q
A

Shielded and Thermocouple wiring

82
Q
A

1.0

83
Q
A

2 indenting dots

(White and Blue are two)

84
Q
A

Threaded

85
Q
A

Correct mating of connectors

86
Q
A

A small gap should be left between the insulation and the terminal

87
Q
A

Aircraft Standard Practices when no manufacturers or maintenance data is available

88
Q
A

Ensuring correct installations or computers

89
Q
A

Copper terminals

90
Q
A

20,000 Volts

91
Q
A

Up to 250 Degrees

92
Q
A

They are used to help prevent vibration

93
Q
A

You can determine if the rod ends are sufficiently inserted into the push-pull rod

94
Q
A

No of teeth driven gear /

No of teeth driving gear

95
Q
A

Using lock clips / lockwire

96
Q
A

Have two arms in a straight line

97
Q
A

Indicates that the end of the barrel is left hand threaded

98
Q
A

Non flexible

99
Q
A

Cable tension regulators are used to tension cables under all temperature changes

100
Q
A

Metallic pulleys are used in high temp areas

101
Q
A

7 Strands, each containing 19 wires

102
Q
A

Heart strand or king strand

103
Q
A

Extra flexible

104
Q
A

Allows a locking clip to be inserted into the barrel

105
Q
A

3 threads

106
Q
A

Reduce the shaft speed of a propeller

107
Q
A

Change the direction of a chain run

108
Q
A

A bevel

109
Q
A

4 for each wire

110
Q
A

Double helical

111
Q
A

A 2% max elongation in total length

112
Q
A

To indicate twisting of the hose

113
Q
A

Tied to prevent it breaking its set

114
Q
A

Reject the clamp

115
Q
A

Green

116
Q
A

Permaswage

117
Q
A

Socket, nipple and nut

118
Q
A

A standard roller bearing

119
Q
A

Axial loads

120
Q
A

Roller bearing

121
Q
A

Cage type

122
Q
A

A tapered roller bearing

123
Q
A

A steel drift should be used

124
Q
A

Anti-Freeze grease

125
Q
A

Radial loads

126
Q
A

Marked on the thrust face

127
Q
A

Install ferrules

128
Q
A

The outside of the pipe

129
Q
A

On the clamp

130
Q

In relation to an aircraft bearing, the term brinelling relates to:

(a) The bearing coming loose in the housing
(b) The bearing coming loose on the shaft
(c) Indentations on the bearing race

A

(c) Indentations on the bearing race

131
Q

The bearings fitted on to a control cable pulleys are?

(a) Sealed and need no further lubrication
(b) Temporarily sealed but require lubrication at regular intervals
(c) Lubricate with aero shell fluid 17

A

(a) Sealed and need no further lubrication

132
Q

Needle bearings have which of the following?

(a) No outer race
(b) No roller bearing
(c) No inner race

A

(c) No inner race

133
Q

'’Squeeze film’’ with reference to a bearing can also be called?

(a) Fluid damped
(b) Cold flow
(c) Space saving

A

(a) Fluid damped

134
Q

What type of fluid is used to lubricate control rod bearings?

A

Grease

135
Q
A

Strength, Stiffness and impact resistance

136
Q
A

Carbon fibre

137
Q
A

Not cure fully

138
Q
A

The fibres are short

139
Q
A

The length of time a resin can be stored

140
Q
A

Black

141
Q
A

To the resin before the catalyst

142
Q
A

Increase viscosity

143
Q
A

Radiographic (x-ray)

144
Q
A

Flat surfaces

145
Q
A

Unidirectional weave

146
Q
A

4’’

147
Q
A

Info. on health precautions, flammibilty of material and ventilation

148
Q
A

High shrinkage rate

149
Q
A

1:1.2

150
Q
A

Warp direction

151
Q
A

Dull white to grey effect on fabric

152
Q
A

70% humidity 18-20 degrees

153
Q
A

The rate of increase in temperature

154
Q
A

2’’ max only any surface

155
Q
A

Compression failure in wood runs at right angle to the grain

156
Q
A

Extruded areas

157
Q
A

Stronger in shear load

158
Q
A

Fretting corrosion

159
Q
A

Irish Linen

160
Q

When a cadmium plated steel bolt is installed in aluminium structure, in a corrosive environment,which material is more likely to corrode?

(a) The aluminium
(b) The cadmium
(c) The steel

A

(b) The cadmium

Sacrificial corrosion, cadmium will always go first

161
Q
A

Filiform Corrosion

162
Q
A

Herring bone stitch

163
Q
A

Magnesium

164
Q
A

Alkalis

165
Q
A

A solution containing salt

166
Q
A

Pitting

167
Q
A

Exfoliation corrosion

168
Q
A

Rift cut

169
Q
A

Wood should have good modulus of elasticity in the grain direction

170
Q
A

Glass beads

171
Q
A

Shot penning

172
Q
A

1:15

Grade A type for scarf 1:15

Grade B for 1:12

173
Q
A

Compression shake

Mod 6: Materials & Hardware (18 decks)

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