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Mass Transfer

Mass Transfer
Humid volume, at a given temperature is a/an __________ function of humidity.

Logarithmic
Linear
Exponential
Inverse

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Mass Transfer
To remove all the moisture from a wet solid it requires exposure to __________ air.

Highly humid
High temperature
None of these
Perfectly dry

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Mass Transfer
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

Less than the wet bulb
More than the wet bulb
Equal to the dry bulb
Equal to the wet bulb

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Mass Transfer
The operating cost of a distillation column at minimum reflux ratio is

Infinite
Zero
Maximum
Minimum

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Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

1/√P
P
√P
1/P

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Mass Transfer
A minimum boiling azeotrope is exemplified by

None of these
Water-isobutyl alcohol
Toluene-benzene
Acetone-carbon disulphide

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