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Materials and Construction

Materials and Construction
__________ is used for determining the tensile strength of steels.

Universal testing machine
Hydraulic press
None of these
Mechanical press

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Materials and Construction
A bearing metal should not have

High toughness
Low co-efficient of friction
Enough plasticity
Low thermal conductivity

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Materials and Construction
Plastics are

Non-biodegradable
All of these
Used in very high temperature applications
Not suitable for drainage pipe manufacture

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Materials and Construction
Reactor used in the production of polyvinyl chloride (PVC) is made of

Aluminium
Tantalum
Lead
Nickel or glass lined steel

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Materials and Construction
Cast iron has very high

Ductility
Resistance to brittleness
Shock resistance
Compressive strength

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Materials and Construction
The specific gravity of coal depends mainly on its __________ content.

Moisture
Carbon
Volatile matter
Ash

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