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Mass Transfer

Mass Transfer
Which of the following is the most commonly used leaching solvent in vegetable oil industry?

Furfurol
Liquid SO₂
Hexane
Phenol

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Mass Transfer
In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit)

Parallel
Straight
Both A & B
Neither A nor B

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Mass Transfer
For the same process conditions, the reflux ratio of an unlagged distillation column

Increases in winter
None of these
Increases in summer
Decreases in winter

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Mass Transfer
Dry bulb temperature of the gas is __________ the wet bulb temperature.

Less than
More than
None of these
Equal to

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Force
Pressure
Thermal
Concentration

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Formation of nuclei
Crystal growth
Avoiding deposition on cooler surfaces

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