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Engineering Materials

Engineering Materials
The defect which takes place due to imperfect packing of atoms during crystallization is known as

Point defect
Line defect
None of these
Surface defect

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Engineering Materials
Induction hardening is basically a

Carburising process
Core hardening process
Surface hardening process
None of these

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Engineering Materials
Blast furnace produces following by reduction of iron ore

Cast iron
Wrought iron
Malleable iron
Pig iron

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

Electroplating
Cyaniding
Nitriding
Induction hardening

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Engineering Materials
Nodular iron has

All of these
Low melting point
High machinability
High tensile strength

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Engineering Materials
White cast iron contains carbon in the form of

Cementite
Graphite
Free carbon
White carbon

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