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Engineering Materials

Engineering Materials
High carbon steel carries carbon percentage

0.1 to 0.3%
0.3 to 0.6%
0.6 to 0.8%
0.8 to 1.5%

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

RC 80
RC 65
RC 57
RC 48

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

Hindalium
Y-alloy
Magnalium
Duralumin

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Engineering Materials
Vanadium in high speed steels

Forms very hard carbides and thus increases wear resistance
Provides high hot hardness
Promotes retention of austenite
Promotes decarburisation

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Engineering Materials
The hardness is the property of a material due to which it

Can be rolled or hammered into thin sheets
Breaks with little permanent distortion
Can cut another metal
Can be drawn into wires

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Engineering Materials
White cast iron contains carbon in the form of

Cementite
White carbon
Graphite
Free carbon

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