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Materials and Construction

Materials and Construction
The crystal structure of most of the common metals is

None of these
Orthorhombic
Cubic
Hexagonal

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Materials and Construction
Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium

None of these
And graphite
Tin, nickel, iron and chromium
And copper

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Materials and Construction
Bush bearings are made of

None of these
White metal alloys
Mild steel
Phosphorous bronze

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

Copper bearing steel
Wood
Procelain
Concrete

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Materials and Construction
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower

Thermal conductivity
Corrosion resistance
Price
Abundant availability

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Materials and Construction
The phenomenon in which slow extension of material takes place with the time at constant load is called

Creep
Ductility
Elasticity
Plasticity

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