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Engineering Materials

Engineering Materials
Nickel when added to copper improves

Strength and ductility
Machinability
Hardness
Hardness and strength

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Engineering Materials
Which of the following pipes is least corrosion resistant?

Wrought iron
Brass
Mild steel
Cast iron

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Engineering Materials
Induction hardening is the process of

Hardening surface of work-piece to obtain hard and wear resistant surface
Heating and cooling rapidly
Inducing hardness by continuous process
Increasing hardness throughout

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Engineering Materials
Corrosion resistance of steel is increased by addition of

Vanadium, aluminium
Chromium and nickel
Sulphur, phosphorus, lead
Tungsten, molybdenum, vanadium, chromium

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Engineering Materials
Free cutting steels

Contain carbon in free from
Can be cut freely
Is used where rapid machining is the prime requirement
Require minimum cutting force

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Engineering Materials
Cold rolled steel sheets contain carbon of the following order

0.001
0.002
0.006
0.004

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MORE MCQ ON Engineering Materials

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