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Engineering Materials

Engineering Materials
Quenching is not necessary when hardening is done by

Nitriding
Flame hardening
Any one of these
Case hardening

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Engineering Materials
The stiffness is the ability of a material to resist

Externally applied forces with breakdown or yielding
None of these
Fracture due to high impact loads
Deformation under stress

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Engineering Materials
Which of the following has a fine gold colour and is used for imitation jewellery?

Aluminium bronze
Gun metal
Babbitt metal
Silicon bronze

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Engineering Materials
Nickel when added to copper improves

Strength and ductility
Hardness and strength
Hardness
Machinability

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

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

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Engineering Materials
Solder is an alloy consisting of

Tin and copper
Tin, antimony, copper
Lead and zinc
Tin and lead

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