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Engineering Materials

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

RC 80
RC 65
RC 48
RC 57

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Engineering Materials
Constantan an alloy used in thermocouples is an alloy of

Copper and zinc
Copper and tin
Copper and iron
Copper and nickel

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Engineering Materials
Which is false statement about normalizing? Normalizing is done to

Refine grain structure
Reduce segregation in casting
Induce stresses
Improve mechanical properties

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Engineering Materials
Connecting rod is usually made of

Aluminium
Medium carbon steel
High carbon steel
Low carbon steel

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Engineering Materials
Super conduction by metals is observed in the temperature range of

Around 0°C
Above 100°K
Below 10°K
Around 100°C

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Engineering Materials
An example of amorphous material is

Zinc
Silver
Lead
Glass

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