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Engineering Materials

Engineering Materials
The property of a material which enables it to retain the deformation permanently, is called

Brittleness
Plasticity
Malleability
Ductility

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Engineering Materials
The addition of which of the following improves machining of copper?

Tin
Sulphur
Zinc
Vanadium

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Engineering Materials
Delta-iron occurs between the temperature ranges of

900°C to 1400°C
600°C to 900°C
400°C to 600°C
1400°C to 1530°C

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Engineering Materials
Cast iron is a

Brittle material
Ductile material
Malleable material
Tough material

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Engineering Materials
Manganese is added in low carbon steel to

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

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Engineering Materials
Which of the following metal shrinks most from molten state to solid state?

Admiralty metal
Cast iron
Cast steel
Brass

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