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MASS TRANSFER

Mass Transfer
The most economical range of absorption factor is

2 to 2.5
5 to 10
1.25 to 2
2.5 to 3

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Mass Transfer
Leaching of coarse solid lumps is also termed as

Decoction
Percolation
Dissolution
Agitation and settling

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Decreased viscosity of liquid
None of the listed here
Both Decreased viscosity of liquid & Increased diffusivity
Increased diffusivity

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Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

Acetone-carbon disulphide
None of the listed here
Water-hydrochloric acid
Water-ethyl alcohol

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

None of the listed here
Water from petrol
Ammonia from coke oven gas
Uranium from its ore

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