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Materials and Construction

Materials and Construction
The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.

8
2
0.2
4

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Materials and Construction
In the kraft (sulphate) process for the paper manufacture, the digestor is made of

Stainless steel
Karbate carbon
Wrought iron
Cast iron

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Materials and Construction
Cold worked steel parts are normally subjected to

Annealing
Shot peening
Hardening
Normalising

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Materials and Construction
Cermets are used for making

Both A & B
Abrasives
Neither A nor B
Cutting tools

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Materials and Construction
The most distinguished property of malleable cast iron is its high

Malleability
Hardness
None of these
Ductility

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Materials and Construction
Which one has the maximum tensile strength out of the following?

Pig iron
Grey cast iron
Nodular cast iron
White cast iron

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