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Engineering Materials

Engineering Materials
An example of amorphous material is

Silver
Glass
Zinc
Lead

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Engineering Materials
The crystal structure of brass is

Orthorhombic crystalline structure
H.C.P.
F.C.C.
C.C.

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Engineering Materials
Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons.

Equal to
Less than
None of these
More than

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Engineering Materials
Induction hardening is the process of

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

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Engineering Materials
Free cutting steels

Can be cut freely
Is used where rapid machining is the prime requirement
Require minimum cutting force
Contain carbon in free from

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Engineering Materials
In high speed steels, manganese is used to tougher the metal and to increase its

Yield point
Hardness
Critical temperature
Melting point

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MORE MCQ ON Engineering Materials

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