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Engineering Materials

Engineering Materials
The steel widely used for motor car crankshafts is

Silicon steel
Chrome steel
Nickel steel
Nickel-chrome steel

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Engineering Materials
When the steel is normalized, its

Yield point increases
Ductility decreases
All of these
Ultimate tensile strength increases

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Engineering Materials
Tungsten when added to steel __________ the critical temperature.

None of these
Does not effect
Lowers
Raises

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Engineering Materials
White cast iron contains carbon in the form of

Graphite
Cementite
Free carbon
White carbon

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Engineering Materials
The alloying element which reduces the formation of iron sulphide in steel is

Vanadium
Nickel
Manganese
Chromium

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Engineering Materials
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio

2.1180555555556
40 : 60
2.9375
30 : 70

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