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Materials and Construction

Materials and Construction
Brine (15% concentration) can be stored in a vessel made of

Cast iron
Karbate
Monel
None of these

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Materials and Construction
In order to be called steel, an alloy should have iron percentage greater than

80
50
90
70

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Materials and Construction
Silicon percentage in acid resistant cast iron is about

4
8
14
20

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Materials and Construction
Polymorphism is not exhibited by

None of these
Phosphorous
Iron
Carbon

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Materials and Construction
Which of the following commercial metals is most abundantly found in India?

Aluminium
Copper
Zinc
Nickel

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

0.2
8
4
2

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