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Engineering Materials

Engineering Materials
Hardness of martensite is about

RC 80
RC 65
RC 48
RC 57

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Engineering Materials
Cupola produces following material

Cast iron
Pig iron
Malleable iron
Wrought iron

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Engineering Materials
The presence of hydrogen in steel causes

Reduced neutron absorption cross-section
Improved Weldability
Corrosion resistance
Embrittlement

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Engineering Materials
Basic constituents of Monel metal are

Nickel, molybdenum
Nickel, lead and tin
Nickel, copper
Zinc, tin, lead

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Engineering Materials
The machinability of aluminium increases when _________ is added to aluminium.

Magnesium
Lead and bismuth
Copper
Silicon

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Engineering Materials
Addition of manganese to aluminium results in

One of the best known age and precipitation hardening systems
Improvement of casting characteristics
Improvement of corrosion resistance
Improving machinability

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MORE MCQ ON Engineering Materials

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