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Materials and Construction

Materials and Construction
Chilled iron castings are

None of these
Soft on surface
Easily machinable
Highly wear resistant

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Materials and Construction
Ball bearings are generally made of

Plain carbon steel
Malleable cast iron
Stainless steel
Chrome carbon steel

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Materials and Construction
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.

Nickel alloys for high
Brass for low
Aluminium for all
Both A & B

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Materials and Construction
A material no longer behaves elastically beyond

Limiting load
Plastic limit
Breaking load
Elastic limit

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Materials and Construction
Carbon percentage is the same in cast iron and

Wrought iron
High silicon (14%) iron
Pig iron
Mild steel

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Materials and Construction
Cast iron vessels are not suitable for the storage of

H₂SO₄ (fuming)
Wet SO₂
Freon
H₂SO₄ (95%) at room temperature

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