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Mass Transfer

Mass Transfer
Leaching of coffee from coffee beans is done by

Lime water
Hexane
Dilute H₂SO₄ (hot)
Hot water

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Mass Transfer
Drying operation under vacuum is carried out to

Reduce drying temperature
Dry materials having high bound moisture content
Increase drying temperature
Dry those materials which have very high unbound mositure content

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Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F = 1
F > 1
F < 1
0 < f < 1

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Mass Transfer
The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.

Both A & B
Above
Neither A nor B
Across

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Mass Transfer
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Solvent extraction
Absorption
Continuous distillation
Evaporation

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Mass Transfer
In rectifying section of a continuous distillation column, the

None of these
Vapour is enriched with high boilers
Liquid is stripped of high boilers
Vapour is enriched with low boilers

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