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Mass Transfer

Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

T
T²
√T
1/T

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Mass Transfer
Under conditions of flooding in packed tower, the gas pressure drop

Is maximum
Decreases rapidly
Increases rapidly
Remains constant

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Mass Transfer
__________ extractor is used for the concentration of radioactive nuclear waste.

None of the listed here
Pulsed column
Mixer-settler
Seive plate

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Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Higbie
Danckwerts
Toor and Marchello
Kissinevskii

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Mass Transfer
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.

Between 0 and 100
50
100

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Mass Transfer
Reboiler is considered as one theoretical plate, because

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

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