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Engineering Materials

Engineering Materials
An example of amorphous material is

Silver
Lead
Glass
Zinc

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Engineering Materials
Cast iron is a

Tough material
Brittle material
Ductile material
Malleable material

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Engineering Materials
The percentage of carbon in grey iron castings usually varies between

0.5 to 1%
5 to 7%
0.012
2.5 to 4.5%

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Engineering Materials
In high speed steels, manganese is used to tougher the metal and to increase its

Critical temperature
Hardness
Yield point
Melting point

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Engineering Materials
The ability of a material to resist softening at high temperature is known as

Fatigue
Hot hardness
Creep
Hot tempering

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Engineering Materials
The lower critical temperature

Increases as the carbon content in steel increases
Decreases as the carbon content in steel increases
Depends upon the rate of heating
Is same for all steels

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MORE MCQ ON Engineering Materials

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