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Materials and Construction

Materials and Construction
Shock resisting steels should possess high

Wear resistance
Hardness
Tensile strength
Toughness

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Materials and Construction
Sulphur melting pit in the sulphuric acid plant is made of

Cast iron
Hard wood
Steel or cement-brick lined
Lead lined stainless steel

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Materials and Construction
Presence of 0.3 to 0.5% arsenic in copper increases its

Malleability
Tenacity & hardness
Electrical conductivity
Ductility

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Materials and Construction
When the steel is subjected to normalising, its __________ decreases.

Ductility
Ultimate tensile strength (UTS)
None of these
Yield point

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Materials and Construction
'Hypersil' is a __________ steel.

Molybdenum
Tungsten
Silicon
High speed

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Materials and Construction
Which of the following finds the least commercial use?

Pure iron
High silicon iron
Low carbon steel
High carbon steel

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