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Chemical Engineering Basics

Chemical Engineering Basics
Specific __________ is a dimensionless quantity.

Humidity
None of these
Heat
Weight

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Chemical Engineering Basics
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Blast of air
Mixture of water and air
Jet of water at high pressure
Rain of molten lead

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Chemical Engineering Basics
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

Tensile
Fatigue
Endurance
Creep

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Chemical Engineering Basics
Rain drops falling through atmospheric air attain limited terminal velocity, because of

Force of gravity
Surface tension effects of water
Upward thrust due to air
Viscous force exerted by air

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Chemical Engineering Basics
Which of the following is a unit of time ?

Barn
Angstrom
Light year
None of these

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Chemical Engineering Basics
Castability of aluminium is increased by the addition of __________ in it.

Silicon
Bismuth
Lead
Manganese

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