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Engineering Materials

Engineering Materials
The property of a material essential for spring materials is

Stiffness
Resilience
Plasticity
Ductility

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Engineering Materials
Free cutting steels

Is used where rapid machining is the prime requirement
Require minimum cutting force
Can be cut freely
Contain carbon in free from

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Engineering Materials
The presence of sulphur in pig iron makes

It easily machinable
The casting unsound
It hard
It brittle

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Engineering Materials
For the allotropic forms of iron, the points of arrest are

The points where no further change occurs
Constant for all metals
The points of discontinuity
The points where there is no further flow of metal

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Engineering Materials
In grey cast iron, carbon is present in the form of

Spheroids
Flakes
Cementite
Free carbon

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Engineering Materials
The compressive strength of cast iron is __________that of its tensile strength.

More than
Less than
Equal to
None of these

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MORE MCQ ON Engineering Materials

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