1.The ability of a material to resist tensile load
– tenacity
2.Iron with 4% of carbon
– cast iron
3.Content of carbon in high carbon steel
– 0.6% to 1.5%
4.The characteristic of vanadium
– has impact resistance
5.AN 3120
– nickel chromium, 1% major alloy, 0.2% carbon
6.Tempering
– relieves stress to hardened the steel
7.Aluminum 7075 refers to
– zinc
8.What does T6 in the 4th digit of aluminum alloy represents
– heat treated and artificial ageing
9.Why is composite materials used in primary and secondary structures
– orientation
10.Condition where the resin is less than the composite
– resin starved
11.Process of sealant are
– interfay, fillet, final brush
12.Why sitka spruce is used
– uniformity of strength
13.What is the example of organic fabric
– linen
14.Defect along the grain, on the growth ring
– shake
15.Function of dope
– tautening and protect the fabric
16.Integration of metal to its salt and oxide is termed as
– corrosion
17.Metal that is more anodic to aluminum is
– magnesium
18.Corrosion because of improper heat treatment
– intergranular corrosion
19.The pitch of screw thread is
– from crest to crest axially
20.The screw jack normally having
– square thread
21.The American National Thread (ANF) has a thread angle of
– 60º
22.Bolt that has the part number of AN 6 – 4 has the length of
– ½”
23.Bolt that has thread at the both ends
– stud
24.What is an Ezy out
– tools to remove broken stud or bolt
25.Spring washer can be used
– more than once
26.How to lock Dzus fasteners
– 1/4 clockwise
27.The part number of countersunk rivet
– AN 426
28.What is blind rivet
– rivet that cannot excess from opposite side
29.What is 2024
– DD rivet
30.Disadvantage of flared end fittings
– fatigue crack at the flare end
31.Cylindrical roller bearing carry the load of
– radial load
32.Bevel gear is used to
– changing direction of drive
33.Pitch of chain is measured
- from center roller to the center of adjacent roller
34.7x19 cable has
a)19 wires, 7 strands
b)7 strands, 133 wires
35.Teleflex has
– compression and tensile load
36.Common conductor
– aluminum and copper
37.MS 3100
– wall receptacle
38.Tool that is used to crimp
– crimping tool
39.Cable that transmit power from igniter to the engine
– high tension cable
40.NYVIN is the combination of
– nylon and polyvinyl chloride
41.One method to produce steel is by
– add carbon to wrought iron
42.Mild steel is
– low carbon steel
43.Heat treatment process consist of
– heating, soaking, quenching
44.Lower critical temperature for straight carbon
– 725º
45.Aluminum alloy coated with pure aluminum is called
– alclad
46.True statement
a)Non-heat treated can be annealed
b)7075 can be solution heat treated, tempering and annealling
47.Pre-preg
– fabric that is already impregnated with resin and is ½ cured
48.Hybrid
– mixed of layer of advanced composite
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