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Materials and Construction

Materials and Construction
Percentage elongation of a material is a measure of its

Ductility
Brittleness
Malleability
Toughness

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Materials and Construction
The material of construction of bearings is

Cast iron
Steel
Babbit metal
Pig iron

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Materials and Construction
Soap kettle used in the production of laundry soap is made of

Concrete
Cast iron
Nickel
Steel with top section nickel clad or stainless steel

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Materials and Construction
Most suitable material of construction for the storage of concentrated nitric acid is

Monel
Cast iron
Aluminium or chromium alloys (Cr > 18% for cold acid)
Karbate

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Materials and Construction
Atmospheric corrosion of metals result from their

Fast hydration
Slow dehydration
Slow oxidation
Fast oxidation

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

Carbon
Volatile matter
Ash
Moisture

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