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Engineering Materials

Engineering Materials
Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons.

None of these
Equal to
Less than
More than

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Engineering Materials
Pipes for bicycle frames are made of

Cold rolled steel
Forged steel
Cast steel
Hot rolled steel

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Engineering Materials
Brass contains

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

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Engineering Materials
Cast iron is manufactured in

Open hearth furnace
Blast furnace
Bessemer converter
Cupola

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Engineering Materials
The aluminium alloy, mainly used, for anodized utensil manufacture, is

Magnalium
Hindalium
Duralumin
Y-alloy

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

RC 48
RC 80
RC 65
RC 57

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