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Engineering Materials

Engineering Materials
Cartridge brass can be

Formed into tube
Any one of these
Cold rolled into sheets
Drawn into wires

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Martempering
Normalizing
Full annealing
Hardening and cold working

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Engineering Materials
Hardness of martensite is about

RC 48
RC 80
RC 57
RC 65

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Engineering Materials
Balls for ball bearings are made of

Cast iron
Carbon-chrome steel
Mild steel
Stainless steel

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Engineering Materials
Hardness of lower bainite (tempered martensite) is about

RC 80
RC 57
RC 48
RC 65

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Engineering Materials
Bell metal contains

70% copper and 30% zinc
85 - 92% copper and rest tin with little lead and nickel
70 - 75% copper and rest tin
90% copper and 10% tin

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MORE MCQ ON Engineering Materials

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