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Mass Transfer

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

Kissinevskii
Danckwerts
Toor and Marchello
Higbie

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Mass Transfer
Decoction refers to the use of solvent

None of these
At its boiling point
At ambient temperature
In its vapor form

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Mass Transfer
At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.

Cannot be predicted as data are insufficient
Is same as
Is greater than
Is lower than

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Increase in air humidity
Neither A nor B
Decrease in air temperature
Both A & B

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

Straight line
Slightly concave upward
Slightly concave downward
None of these

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Mass Transfer
Capacity of a rotary dryer depends on its

R.p.m
None of the listed here
Both Inclination with ground surface & R.p.m
Inclination with ground surface

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