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Engineering Materials

Engineering Materials
Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons.

More than
Equal to
None of these
Less than

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Engineering Materials
Phosphor bronze contains

1% phosphorous
0.5% of phosphorous
None of these
2.5% phosphorous

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

Nodular aggregates of graphite
Flakes
Cementite
Free carbon

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Engineering Materials
Cast iron is a

Ductile material
Brittle material
Malleable material
Tough material

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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
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Babbitt metal
Monel metal
Phosphor bronze
Nichrome

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