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Mass Transfer

Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Both A & B
Wet bulb
Dew point
Neither A nor B

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Mass Transfer
The most efficient cooling tower out of the following is

Natural draft
Forced draft
Induced draft
Atmospheric

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Mass Transfer
The humid volume may be increased by increasing the

Temperature at constant humidity
Neither A nor B
Both A & B
Humidity at constant temperature

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

Danckwerts
Kissinevskii
Toor and Marchello
Higbie

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Mass Transfer
COâ‚‚ can be absorbed by

Alumina
Hot cupric oxide
Cold Ca(OH)â‚‚
Heated charcoal

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Mass Transfer
The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same.

Mass and momentum
Heat, momentum and mass
Heat and momentum
Heat and mass

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