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Materials and Construction

Materials and Construction
Addition of __________ in steel can help in increasing the depth of hardness.

Chromium
Nickel
Vanadium
Tungsten

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Materials and Construction
Chilled iron castings are

Highly wear resistant
Soft on surface
Easily machinable
None of these

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Materials and Construction
Ability of a material to __________ is indicated by its damping capacity.

Withstand compression
None of these
Absorb shock
Absorb vibration

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Materials and Construction
'Semi steel' is

Neither A nor B
Produced by adding 10-20% steel to the cupola charge
Stronger than cast iron
Both A & B

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Materials and Construction
Nickel is a __________ material.

Paramagnetic
Diamagnetic
Ferromagnetic
None of these

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Materials and Construction
High carbon steel contains more than __________ percent carbon.

2.8
2.5
0.5
2.2

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