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Engineering Materials

Engineering Materials
Which of the following property is desirable for materials used in tools and machines?

Elasticity
Ductility
Plasticity
Malleability

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Engineering Materials
The portion of the blast furnace below its widest cross-section is called

Bosh
Throat
Stack
Hearth

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Engineering Materials
Which of the following material has maximum ductility?

Copper
Mild steel
Nickel
Aluminium

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

RC 65
RC 57
RC 80
RC 48

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

2.5277777777778
40 : 60
2.1180555555556
0.88888888888889

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

Nickel
Vanadium
Molybdenum
Cobalt

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