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Engineering Materials

Engineering Materials
Which is false statement about case hardening? Case hardening is done by

Nitriding
Induction hardening
Electroplating
Cyaniding

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

0.88888888888889
2.5277777777778
2.1180555555556
40 : 60

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Engineering Materials
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

White cast iron
Alloy cast iron
Malleable cast iron
Nodular cast iron

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Engineering Materials
Silicon when added to copper improves

Hardness and strength
Hardness
Machinability
Strength and ductility

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Engineering Materials
A reversible change in the atomic structure of steel with corresponding change in the properties is known as

Physical change
Allotropic change
Molecular change
Solidus change

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

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

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MORE MCQ ON Engineering Materials

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