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Materials and Construction

Materials and Construction
Steel balls for ball bearings are generally made of __________ steel.

Free carbon
Stainless
Cast
Carbon chrome

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

750
500
1100
900

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Materials and Construction
Pick the odd man out of the following.

Pack carburising
Nitriding
Cyaniding
Calorising

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Materials and Construction
Babbit metal is not a

Tin base alloy
Pure metal
White metal
Lead base alloy

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

Creep
Toughness
Resilience
Ductility

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Materials and Construction
The fermentor used for the production of ethyl alcohol from molasses is made of

Wood
Concrete
Procelain
Copper bearing steel

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