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Mass Transfer

Mass Transfer
Degree of freedom for leaching and solvent extraction process is

3
1
2

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Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Decreases with increase in
Increases with increase in
None of these
Is independent of

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Mass Transfer
Extraction of coffee from its seed is done by

Steam distillation
Liquid-liquid extraction
Leaching
Extractive distillation

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Mass Transfer
Reboiler is considered as one theoretical plate, because

None of these
Of the assumption that vapour and liquid leaving the reboiler are in equilibrium
Vapour is recycled to the column
Reboiler itself contains one plate

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Mass Transfer
The Kundsen diffusivity is proportional to (where, T = absolute temperature)

T
T²
√T
T⁴

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

?
1
None of these

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