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Engineering Materials

Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Nickel
Molybdenum
Vanadium
Cobalt

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Engineering Materials
Hardness of upper bainite (acicular structure) is about

RC 57
RC 48
RC 80
RC 65

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Engineering Materials
White cast iron has

All of these
High compressive strength
Low tensile strength
Carbon in the form of carbide

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Engineering Materials
In compression, a prism of brittle material will break

By crushing into thousands of pieces
By shearing along oblique plane
By forming a bulge
In direction perpendicular to application of load

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Engineering Materials
Induction hardening is the process of

Heating and cooling rapidly
Hardening surface of work-piece to obtain hard and wear resistant surface
Increasing hardness throughout
Inducing hardness by continuous process

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Engineering Materials
Preheating is essential in welding

Cast iron
High speed steel
All of these
All nonferrous materials

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MORE MCQ ON Engineering Materials

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