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Engineering Materials

Engineering Materials
Steel made from phosphate iron is

Tough
Hard
Brittle
Ductile

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Engineering Materials
White cast iron contains carbon in the form of

Graphite
White carbon
Free carbon
Cementite

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Engineering Materials
Manganese is added in low carbon steel to

Make the steel tougher and harder
Raise the yield point
All of these
Make the steel ductile and of good bending qualities

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Engineering Materials
High carbon steel carries carbon percentage

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

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Engineering Materials
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

White cast iron
Alloy cast iron
Malleable cast iron
Nodular cast iron

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

Induction hardening
Nitriding
Cyaniding
Electroplating

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MORE MCQ ON Engineering Materials

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