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Materials and Construction

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

Creep
Toughness
Ductility
Resilience

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Materials and Construction
Super conductors are those substances, which

Offer high resistance to current flow
Conduct electricity at high temperature
Conduct electricity at low temperature
Offer no resistance to current flow

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Materials and Construction
Dielectric strength of a material is

Its capacity to withstand high voltage
Its capacity to resist the flow of current
A magnetic property
Its energy stroage capacity

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Materials and Construction
Bronze is an alloy of copper and

Lead
Tin
Zinc
Nickel

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Materials and Construction
An ideal material of construction for the storage of 50% caustic soda solution would be

High silicon cast iron
None of these
Karbate
Monel

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Materials and Construction
The presence of impurities in iron

Decreases its melting point
Does not affect its melting point
Makes it malleable
Increases its melting point

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