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Engineering Materials

Engineering Materials
The property of a material which enables it to retain the deformation permanently, is called

Ductility
Plasticity
Brittleness
Malleability

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Engineering Materials
Depth of hardness of steel is increased by addition of

Nickel
Tungsten
Chromium
Vanadium

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Engineering Materials
The following element can't impart high strength at elevated temperature

Nickel
Silicon
Manganese
Magnesium

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

Vanadium
Nickel
Cobalt
Molybdenum

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

RC 57
RC 80
RC 48
RC 65

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Engineering Materials
The tensile strength of wrought iron is maximum

None of these
Perpendicular to lines of slag distribution
Along the lines of slag distribution
Uniform in all directions

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