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Mod 6 > Things To Know > Flashcards

Things To Know Flashcards

1
Q

Sae 1st digit

A

Primary alloying element

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2
Q

Sae last two digits

A

Percentage of hundredths of a precentor carbon in steel

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3
Q

Sae 2XXX

A

Nickle

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4
Q

Sae 1020 carbon content

A

.20%

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5
Q

Low carbon steel

A

0.03 - 0.3

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6
Q

Medium carbon steel

A

0.3 - 0.8

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7
Q

High carbon steel

A

0.8 - 1.4

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8
Q

The lower Critical Point of all Steel

A

723deg C

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9
Q

0.83 carbon steel when heated the Lower and Upper
Critical points converge and is called

A

Eutectoid point

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10
Q

After Steel is cold worked, bent, rolled it is

A

Annealed, Normalised

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11
Q

Hardening causes Steel to be brittle and is reduced by

A

Tempering

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12
Q

Lowest heat treatment

A

Tempering

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13
Q

Heat treatment

A

Annealing-Normalising- Hardening-
Tempering and surface hardening

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14
Q

Steel that is Forged

A

Normalizing

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15
Q

Heat treatment for Steel

A

hardening, tempering , normalizing

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16
Q

Heat treatment - Case hardening are

A

Carburising, Nitriding

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17
Q

Case hardening hard wear

A

resistant surface over strong core, tough

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18
Q

Nitriding

A

Case hardening

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19
Q

Carburising

A

is Case hardening

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20
Q

Heat treatment

A

age hardening

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21
Q

Young’s Modulus tests

A

Tensile load

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22
Q

Young’s modulus/ test material resistance

A

Strain under tensile loads

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23
Q

High longitudinal modulus of elasticity

A

Young’s modules

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24
Q

CRES what group

A

Austenitic group

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25
Q

Tensile tests the

A

Strength of metal

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26
Q

Tensile strength

A

Stretching material

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27
Q

Hooke’s Law Stress

A

is directly proportional to Strain

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28
Q

Creep is

A

When a metal is subject to both Tensile Stress and High Heat over a long period

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29
Q

Fatigue strength test

A

Repeated Stress Cycles

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30
Q

Fatigue strength test determines

A

life span of material

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31
Q

Prone to Fatigue

A

Effects Life Span

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32
Q

What do you measure in the Brinell test

A

diameter of the impression

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33
Q

Impact resistance test Izod

A

Toughness

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34
Q

Vickers hardness tester use a

A

Diamond

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35
Q

To measure Brinell Impression you use

A

Calibrated Microscope

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36
Q

What point is on Brinell tester

A

Ball

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37
Q

What point can be on Rockwell hardness tester

A

Conical Diamond

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38
Q

Aluminium Alloy AA1017 what is the first Digit

A

Alloy type

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39
Q

AA1017 what is the second Digit

A

Modification of Alloy

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40
Q

AA1017 Third and Fourth digit.

A

Percentage of Purity of Aluminium above 99%

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41
Q

AA 5056 Alloy

A

Magnesium

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42
Q

AA 2024 alloy

A

copper

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43
Q

AA 3003 alloy

A

Manganese

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44
Q

7075 Al

A

Zinc

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45
Q

5052 alloy

A

Magnesium Can be Welded, High strength, ductile

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46
Q

1100 Pure Aluminium

A

High electrical conductivity

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47
Q

2117-T3

A

Solution Heat treatment -cold worked

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48
Q

T6

A

Solution Heat treatment and Artificial Ageing

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49
Q

2024-T6

A

Solution heat treated and Precipitation treated

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50
Q

T3

A

Al solution heat treatment & cold worked

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51
Q

T3

A

Solution heat treatment and Strain hardening

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52
Q

Slow down Ageing process

A

Freezing to -20 degree

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53
Q

T4

A

Solution Heat treatment & Natural ageing

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54
Q

Alclad

A

Thin layer of pure Al on both sides of 2024-T4

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55
Q

Fuselage skin made from

A

CLAD 2024-T3

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56
Q

Core material of Alclad 2024-T4

A

Solution Heat treated Aluminium Alloy/surface pure aluminium

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57
Q

Repeat Annealing will cause

A

Material to Crack/ less strength

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58
Q

Treatment for non-heat treatable Alloy

A

Cold working

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59
Q

Skin of Firewall made from

A

Titanium

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60
Q

Strength of non-heat treatment aluminium increases with.

A

Strain hardening

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61
Q

Strength of non-heat treatment aluminium increases with

A

cold Working

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62
Q

In Appearance Titanium is similar to

A

stainless steel

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63
Q

Aluminium heat treated to specific temperature for a set Time and Quenched is?

A

Solution Heat Treatment

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64
Q

Pure Aluminium on both surfaces

A

Process to prevent Corrosion

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65
Q

Failure to Quench Aluminium in time

A

Impairs Corrosion resistant Qualities

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66
Q

Further name for Precipitation heat treatment.

A

Artificially aged

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67
Q

Material to Clad Aluminium Alloy

A

Pure Aluminium

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68
Q

O

A

Temper Designation for Aluminium Annealed cold

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69
Q

H

A

Metal cannot be heat treated-Hardened by Cold

working

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70
Q

Another Term for Artificial aging

A

Precipitation heat treatment

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71
Q

AA numbering system-second digit

A

Alloy Modification

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72
Q

Where is Cast Aluminium found on

A

aircraft Gearbox

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73
Q

Fuselage’s are generally made from

A

2024-T3

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74
Q

Melting point of Aluminium

A

660 degree

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75
Q

Where is Aluminium used

A

Fuselage skin

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76
Q

Nickle-chromium-Iron Alloy used for

A

Temperature sensing bulbs

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77
Q

Silver Solder melting point

A

460 deg C

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78
Q

Sintering Bronze used in

A

small oil retaining Bearings

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79
Q

Solder Tin/Lead 60/40 melting point

A

187 deg C

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80
Q

Heat treatable Aluminium alloy’s

A

2,6,7,8 Series

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81
Q

Hooke’s law

A

Strain is proportional to stress

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82
Q

Tensile strength

A

Max force divided by cross section area

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83
Q

Strength increase non heatable alloy

A

cold working

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84
Q

Spherical penetrator used by

A

Brinell

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85
Q

Impact tester

A

toughness

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86
Q

Creep

A

Tensile stress & high temp - long time

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87
Q

Advantage of Epoxy resin

A

Low Shrinkage and High strength to weight ratio

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88
Q

Temperature moisture should be removed at

A

150 degree F

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89
Q

What direction is honeycomb replaced

A

ribbon direction

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90
Q

Information about working on Resin

A

Material Safety data

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91
Q

Chopped strand Mat

A

Fibres are short

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92
Q

Pattern of Honeycomb

A

Hex

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93
Q

Shelf Life

A

Length of Time Resin is Stored

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94
Q

Curing Agent

A

Epoxy resin

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95
Q

Load carrying property of Fibre

A

Fibre Length

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96
Q

Carbon Graphite Fibre

A

is Stiff-High Compression Strength-Corrode
aluminium

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97
Q

Forms of Fibre

A

Mat-Woven- Strains- Chopped

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98
Q

Glass or Composite Plastic are

A

Thermosets

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99
Q

Honeycomb Core for Al Nomex Glass – Kevlar

A

Kevlar

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100
Q

Catalyst in Polyester resin

A

Aids joining Polyester Modules

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101
Q

Polyester Resin to Cure

A

Requires Heat

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102
Q

Honeycomb compared to sheet metal Adv.

A

Rigidity

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103
Q

Micro Balloons added to Epoxy resin

A

Add Volume-light in weight

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104
Q

Gains of Honeycomb over Soft Metal

A

Rigidity

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105
Q

Kevlar is strongest

A

Tension –strength

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106
Q

Dermatitis

A

Skin contact resin

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107
Q

Honeycomb Core

A

Nomex

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108
Q

Composites used

A

Lighter than metal

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109
Q

Increase temperature in cold cure resins

A

decreases Pot life

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110
Q

Black Composite material

A

Carbon

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111
Q

Epoxy type

A

Thermoset

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112
Q

Pot Life

A

resin Length of time resin remains useable

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113
Q

Nomex honeycomb made from

A

Resin impregnated synthetic Fibre

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114
Q

Unidirectional weave cloth used when

A

Strength in one direction

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115
Q

3 properties of Composites

A

Strength-Stiff- Impact resistance

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116
Q

Chopped strands Mat in woven fabric

A

Fibres are short

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117
Q

4 types of honeycomb core

A

Nomex, aluminium, Glassfibre, Kevlar

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118
Q

Water in composite

A

X Ray

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119
Q

Composite Delamination

A

Core from Face sheet

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120
Q

Washing Hands

A

Cold water

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121
Q

Bonding of Composite

A

Tap test

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122
Q

Damage composite

A

refer to SRM

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123
Q

Simplest test for delamination

A

Tap test

124
Q

Core Material to replace damage honeycomb

A

Fibreglass

125
Q

Honeycomb repair test after

A

tap test

126
Q

Glue deterioration in wood p158

A

Glue surface shows wood grain

127
Q

Decay in wood P3-116

A

No decay allowed

128
Q

Faint line running across

A

Compression failure

129
Q

Wood used P3-106

A

Spruce

130
Q

Moisture content check P3-108

A

By weight or / and moisture Meter

131
Q

Moisture content by

A

weight Weight sample, dry sample and weigh again

132
Q

Content of moisture P3-108

A

10% to 15% ± 2%

133
Q

Glass Fibre susceptible to P3-164

A

Acid rain

134
Q

Aircraft fabric fitted what angle to slip stream P3-170

A

45⁰ or Inline

135
Q

Tensile bearing strength of cord P3-162

A

60 lbs

136
Q

Grade A cotton threads P3 -164

A

80-84 threads per inch

137
Q

Anti Blush thinners is added to Dope P3-168

A

Slow down drying/ prevent condensation

138
Q

Final or finish coat

A

Pigmented Dope P3 -179

139
Q

Blushing a white cast formed on Dope surface P-181

A

Moisture condensing on uncured dope

140
Q

Galvanic action P4-10

A

No porous dielectric material

141
Q

Fretting corrosion P4-26

A

2 surfaces fit tightly together

142
Q

Cyclic stress & corrosion

A

Fatigue

143
Q

Smoking rivets P4-26

A

fretting corrosion

144
Q

Along the Grain boundaries P-22

A

Intergranular Corrosion

145
Q

Fretting P4-26

A

loose rivet

146
Q

Worm like under paint P4-30

A

Filiform Corrosion

147
Q

Exfoliation corrosion P-24

A

Extruded or rolled metals section

148
Q

Worm like P4-30

A

Filiform Corrosion

149
Q

Lifting or flaking

A

Exfoliation

150
Q

Magnesium

A

most anodic

151
Q

Cadmium plated steel bolt in non clad 2024

A

Cadmium corrodes first

152
Q

Intergranular corrosion

A

improperly heat treated

153
Q

Rivet Grip Length

A

1/16

154
Q

Ref 2017/2024

A

Age hardening

155
Q

Countersunk rivet

A

100⁰

156
Q

Length -5

A

5/16

157
Q

“AD” rivet

A

2117

158
Q

Dimple

A

2117

159
Q

Rivet loads

A

Shear & tension

160
Q

Rivet code in box “XC” “6F”

A

A fluid tight fastener

161
Q

2117 “AD” rivet

A

Finished by Manufacture Don’t require
heat treatment

162
Q

2017/2024 in ice

A

Slows age Harding

163
Q

2024 use within 10 min otherwise

A

refrigerate

164
Q

Rivet 2 raised dashes

A

2024 (DD) rivet

165
Q

Rivnuts

A

used floor and non structure

166
Q

Rivets must be heated before driving

A

only reheat 3 times

167
Q

Rivet no head marking

A

A 1100

168
Q

Raised cross

A

5056

169
Q

Raised dot

A

2017 D

170
Q

raised cross

A

5056

171
Q

Primary structure

A

A

172
Q

Pop rivet

A

Break stem

173
Q

Pop rivet

A

Not for structure

174
Q

Ms20470AD5-4

A

has a shank 5/32

175
Q

5056 letter code

A

B

176
Q

Chery Max with Anvil washer on Stem

A

Anvil washer on Stem

177
Q

MS20470AD4-7 what type

A

universal

178
Q

Hi LocK removed

A

Oversize shank

179
Q

Ms20426dd-6-5

A

shank 5/16

180
Q

Helical extension/ Tension Spring where those it break

A

Hook

181
Q

Helical compression spring uses a

A

Ground End

182
Q

High speed control surface has high load

A

torsional twisting of torque tube

183
Q

Torsion Spring Bending Stress

A

Twisting

184
Q

Helical tension Spring characteristics

A

Linear

185
Q

Taper roller

A

Radial and axial

186
Q

Fluid Damping

A

Vibration

187
Q

Journal

A

Radial

188
Q

Heavy Radial

A

Roller

189
Q

Needle roller

A

Small space / limited space

190
Q

Heat of lubricant removed by

A

Oil

191
Q

Fluid Damping

A

Dynamic Load

192
Q

Wheel

A

Taper/Roll

192
Q

Radial and thrust

A

Taper/Roll

193
Q

Material of bearing ball/roller

A

Hard Steel

194
Q

Load Ball Bearing

A

Thrust/Radial

195
Q

Heavy Radial loads

A

Roller

196
Q

Oil Damp bearing

A

Vibration and high dynamic loads

197
Q

Pulley attached to Shaft

A

Keyway

198
Q

Chain wheel Sprocket

A

Change Direction

199
Q

Can Chain Drive in Flight Control be Reversed

A

Yes - Unless Non-reversible chain

200
Q

Erase free play in gear train

A

Shims

201
Q

Change direction of Drive

A

Bevel gear

202
Q

Worn Gear Paton produces

A

Shows on teeth of Drive gear

203
Q

Planetary Gear Sun Input

A

Ring fixed

203
Q

Helical Gear Produces

A

Axial Load

204
Q

Gears

A

Back lash Required

205
Q

Woodruff Key

A

semi Circular recess

205
Q

Quietest Gear

A

Helical

206
Q

Planetary outer gear

A

Ring

206
Q

What can Planetary do

A

Both Increase and Decrease Speed

207
Q

Idler gear

A

Idler gear Idler purpose rotate output same as input direction

208
Q

Ratio of worm gear

A

diameter of wheel

209
Q

Sun gear

A

input ring fixed

209
Q

Good cable to use on Pulley

A

7 X 19

209
Q

predictable angular rotation

A

chain driven sys

209
Q

Testing a Swage fitting

A

100% of cable strength

210
Q

Excessive wear on pulley walls

A

Pulley misaligned

211
Q

Cable 1 X 7

A

1 strand 7 wires

212
Q

Cable 1 X 7

A

Not Flexible

212
Q

Fairlead

A

Guide cable through structure

212
Q

Cable compensator

A

Holds cable tension under all conditions

213
Q

New cable - proof load

A

Pre Stretch cable and check end fitting

214
Q

Checking tension on cables

A

Rig pins loose

215
Q

Solvents in Cable will

A

Wash out Lubricant

215
Q

What happens tension on Warm day

A

Cable Tension increases

216
Q

Witness hole in Turnbuckle

A

unable to thread cable through hole

217
Q

Control cable end terminal are

A

Swaged fitting

217
Q

Mechanical linkage through a bulkhead

A

use Pressure seal

217
Q

Max threads on turnbuckle exposed

A

3

218
Q

What is a flexible cable

A

7/19

219
Q

Test on Swage

A

100% of cable strength

219
Q

Fairlead stops deflection of cable up to

A

3˚

220
Q

Grove on end of turnbuckle indicates

A

LH thread side

220
Q

Post adjustment of turnbuckle

A

Safety and locked

220
Q

Clean cables with solvent

A

Remove’s lubricant internal

220
Q

Witness hole in push pull rod

A

enough thread engagement

221
Q

Fairlead

A

Protect cable from structure

221
Q

Crimping tool for tags is

A

Certi- crimp ratchet type

221
Q

Single wire type uses aircraft structure as

A

return path

222
Q

Class A, B, C, D connector are made from

A

Aluminium

222
Q

Cable Part no

A

Printed on cable

223
Q

Insulation voltage rating

A

600V

223
Q

Terminal strength

A

full strength of cable

223
Q

Where are receptacle’s found

A

On Components- Valve, Actuator

223
Q

Temp of Tin coated copper cable

A

105 deg C

223
Q

Temp of Nickel coated copper cable

A

250 deg C

224
Q

Temp of Nickel clad copper cable

A

250 deg C

224
Q

Temp of Silver coated copper cable

A

200 deg C

225
Q

Electrical cable Fire resistant

A

5 minutes

225
Q

Electrical cable Fire proof

A

15 minutes

225
Q

Most connectors are now

A

Crimped

225
Q

Check fluid level of Hydraulic crimper

A

Horizontal

225
Q

Oxide on exposed silver plated cable is

A

an insulator

226
Q

Tersil cable Orange

A

Nickel plated copper fire resistant 190

226
Q

Fepsil cable replacing Tersil Green

A

Nickel plated copper fire resistant 190

226
Q

Silver coated cable is prone to

A

Red plague

226
Q

Efglas cable White

A

Nickel plated copper High temp cable 250

226
Q

Ignition HT cable

A

Multi strand, single core, screened

226
Q

Aluminium cable when flexed.

A

work harden and embrittlement

227
Q

Maximum Terminals on Stud

A

4

228
Q

Hot stamped cable are prone to

A

Wet arc tracking

229
Q

Position of inline splice on loom

A

Outside for inspection

230
Q

Cable Tersil 22-22 refers to

A

American Wire Gauge size of conductor

231
Q

Terminal Crimping tools are colour coded

A

RED, Blue, Yellow

232
Q

Copper cable compared to Aluminium is

A

smaller size

233
Q

Current capacity of 8 AWG Copper cable use

A

6 AWG Aluminium cable

234
Q

Allowable Voltage Drop for 28V cable

A

1 Volt continuous, 2 Volts Intermittent

235
Q

Considerations in selecting a cable

A

Current, Voltage Drop, Insulation

236
Q

Current carrying capacity of cable

A

AWG

237
Q

Cable size AWG

A

Cross sectional area “Circular Mil

238
Q

Airframe cable

A

Designed for environment

239
Q

Coaxial Cable is used for

A

Transmitting Radio frequencies

239
Q

Equipment Cables

A

Flexible and suitable for soldering

240
Q

Interconnect Cables

A

Thinner insulation

241
Q

Coaxial Cable the impedance is

A

Full length of cable

242
Q

EGT Probes made from Chromel/ Alumel

A

Cables attached to Probe/sensor are same material

243
Q

Cable Code 3135-27B20N

A

3135 ATA 100 wire number prefix

244
Q

Cable Code 3135-27B20N

A

27 Wire Number

245
Q

Cable Code 3135-27B20N

A

“B” Segment Letter

246
Q

Cable Code 3135-27B20N

A

20 Wire gauge

247
Q

Cable Code 3135-27B20N

A

“N” Ground (suffix letter)

248
Q

Suffix Letter can be

A

“N” Ground, A,B,C Phase or
Thermocouple Material

249
Q

Cable Code Number X26D-22A

A

“X” AC power

250
Q

Cable Code Number X26D-22A

A

26 Cable number

251
Q

Cable Code Number X26D-22A

A

“D” Segment Number

252
Q

Cable Code Number X26D-22A

A

“A” Phase A

253
Q

PIDG Pre- Insulated Diamond Grip Terminals

A

Colour coded Red, Blue and Yellow

254
Q

Conductor extend beyond terminal barrel

A

1/32 inch

254
Q

Correct indent on Blue Terminal

A

2 Dots

255
Q

Terminal bending max radius

A

30 deg

256
Q

Connector MS27467 E 21 A 41 P A

A

“E” environment class

257
Q

Connector MS27467 E 21 A 41 P A

A

21 Shell size

258
Q

Connector MS27467 E 21 A 41 P A

A

“A” connector Shell Material

259
Q

Connector MS27467 E 21 A 41 P A

A

41 Number of Inserts

260
Q

Connector MS27467 E 21 A 41 P A

A

“P” Pin “S” Socket

261
Q

Inserts are read

A

From inside to out in Clockwise direction

262
Q

Connector MS27467 E 21 A 41 P A

A

“A” Polarisation (Key/Insert orientation)

263
Q

Front release Insert

A

Released from Front removed from Rear

264
Q

Rear release Insert

A

released from Rear removed from Rear

265
Q

Push Pull connector

A

Deutch

266
Q

Electrical AN connector ident no

A

A,B,C, and D are Aluminium

266
Q

High temp cables coated with

A

Nickel or Silver

267
Q

Electrical AN connector Ident no K

A

Made from Steel

268
Q

Terminals and inlines are colour code for

A

wire size that can be used

269
Q

Ident for wires

A

Printed on insulation

270
Q

Aluminium cables used to

A

Save weight

271
Q

High temp areas coating

A

silver or nickel

Mod 6 (1 decks)

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