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Mass Transfer

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

T
1/T
T²
√T

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Mass Transfer
In most of the vacuum crystalliser, vacuum is generally produced by means of a

Compressed air jet
Steam jet ejector with a barometric condenser
None of these
Suction pump

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Equal to
Higher than
Either A or B, depends on the mixture composition
Lower than

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Mass Transfer
The caking of crystals can be prevented by

Maintaining low critical humidity
Coating the product with inert material
Both A and C
Maintaining high critical humidity

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Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

Wet bulb
None of these
Room
Gas

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Mass Transfer
Decoction refers to the use of solvent

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

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