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Materials and Construction

Materials and Construction
Rotary driers are generally made of

Cast iron
Tin lined with refractory bricks
Mild steel
High silicon iron (14% Si)

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

Resilience
Toughness
Creep
Ductility

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Materials and Construction
When iron is rusted, it is

Converted to a fine powder
Reduced
Oxidised
None of these

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Materials and Construction
Biological shield in a nuclear power reactor is made of

Concrete
Zircalloy
Cadmium
Steel

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Materials and Construction
Cermets are used for making

Neither A nor B
Abrasives
Cutting tools
Both A & B

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Materials and Construction
Nickel (56%) and molybdenum (17%) alloys are called

Inconel
Hastealloy C
Monel
Bronzes

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