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Materials and Construction

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

Zircalloy
Cadmium
Steel
Concrete

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Materials and Construction
Which of the following mechanical properties of a material is most structure insensitive?

Toughness
Modulus of elasticity (young
Percentage reduction of area
Tensile strength

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Materials and Construction
The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.

Precipitation
Fusion
Sintering
Agglomeration

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Materials and Construction
Which of the following crystal structures characterises the austenitic stainless steel?

Face centred cubic
Body centred cubic
None of these
Simple hexagonal

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Materials and Construction
Galvanised iron is

Harder
Protected from rusting
Alumina coated iron
None of these

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Materials and Construction
The 'bomb' in the bomb calorimeter is made of

Molybdenum stainless steel
Copper
Mild steel
High silicon iron (14% Si)

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