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Materials and Construction

Materials and Construction
__________ iron is produced, when molten pig iron is chilled suddenly.

Wrought
White cast
None of these
Grey cast

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Materials and Construction
Which of the following heat treatment processes is used for softening the hardened material?

Tempering
None of these
Annealing
Normalising

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Materials and Construction
The most resistant material to alkaline corrosion is

Nickel
Karbate
Duriron
Aluminium

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Materials and Construction
Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium

And copper
And graphite
Tin, nickel, iron and chromium
None of these

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Materials and Construction
__________ can replace tungsten in high speed steel,

Chromium
Molybdenum
Vanadium
Cobalt

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Materials and Construction
An ideal material of construction for the storage of 50% caustic soda solution would be

Karbate
None of these
Monel
High silicon cast iron

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