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Materials and Construction

Materials and Construction
Which one contains the least percentage of carbon?

Cast iron
Wrought iron
High speed steel
Pig iron

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Materials and Construction
Mild steel is a/an __________ steel.

Medium carbon
High carbon
Low carbon
High alloy

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Materials and Construction
High speed steel tools retain their hardness upto a temperature of __________ °C.

500
1100
900
750

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Materials and Construction
Rubber lined pumps can be used to pump

Caustic soda
Hypochlorous acid
All of these
Chlorinated brine

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Materials and Construction
In drop forging process, the forging is done by dropping the __________ at high velocity.

Workpiece
Die with hammer
Hammer
Weight on hammer

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Materials and Construction
Acetylene gas holder is made of

Copper
Cast iron
Steel
Monel metal

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