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Materials and Construction

Materials and Construction
High resistance electrical heating elements/wire are not made of

Marageing steel
Nichrome
Kanthal wire
Nimonic alloys

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Materials and Construction
Mild steel storage vessels are suitable for the storage of

Fatty acids
Anhydrous ammonia
Sulphuric acid (25%)
Hydrochloric acid (95%)

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Materials and Construction
Evaporators used in caustic soda recovery and production plant are made of

Wood metal
Monel metal
Babbit metal
Gun metal

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Materials and Construction
Metalloid is

All of these
Highly electronegative in nature
An alloy
An element which exhibits the properties of both metal & non-metal

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Materials and Construction
Ability of a material to absorb energy in deformation in the plastic range is characterised as its

Toughness
Ductility
Resilience
Creep

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

8
2
4
0.2

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