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MATERIALS AND CONSTRUCTION

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

Cadmium
Zircalloy
Steel
Concrete

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

Concrete
Wood
Procelain
Copper bearing steel

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Materials and Construction
The heat treatment process to which castings and the steel balls produced by cold heading are subjected is

Normalising
Tempering
Annealing
None of these

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Materials and Construction
The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials.

Non-crystalline solid
Non-crystalline organic polymeric
Crystalline
Rubberry

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Materials and Construction
Cast iron compared to steel is better in

Strength
Ductility
Malleability
Fluidity & castability

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