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Engineering Materials

Engineering Materials
The steel widely used for motor car crankshafts is

Silicon steel
Chrome steel
Nickel-chrome steel
Nickel steel

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Engineering Materials
Hardness of lower bainite (tempered martensite) is about

RC 48
RC 80
RC 65
RC 57

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Engineering Materials
Bronze is an alloy of

None of these
Copper and tin
Copper and zinc
Copper, tin and zinc

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Engineering Materials
High carbon steel carries carbon percentage

0.1 to 0.3%
0.6 to 0.8%
0.8 to 1.5%
0.3 to 0.6%

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Engineering Materials
Age hardening is related to

Copper
Brass
Duralumin
Silver

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Engineering Materials
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Cobalt
Nickel
Vanadium
Chromium

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MORE MCQ ON Engineering Materials

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