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Engineering Materials

Engineering Materials
Nodular cast iron is produced by adding ________ to the molten cast iron.

Copper
Magnesium
Chromium
Nickel

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

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

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Engineering Materials
Which is false statement about case hardening? Case hardening is done by

Induction hardening
Cyaniding
Electroplating
Nitriding

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Engineering Materials
The presence of sulphur in pig iron makes

It easily machinable
It brittle
It hard
The casting unsound

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Engineering Materials
The material widely used for making pendulums of clocks is

Stainless steel
High speed steel
Heat resisting steel
Nickel steel

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Engineering Materials
The cupola is used to manufacture

Steel
Pig iron
Cast iron
Wrought iron

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