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Mass Transfer

Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

X/(X + 1)
(X - 1)/X
X/(X - 1)
(X + 1)/X

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Mass Transfer
Desirable value of absorption factor in an absorber is

> 1
< 1
0.5
1

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Mass Transfer
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.

Thermal conductivity
Strength
Electrical resistance
None of the listed here

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Mass Transfer
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.

Does not affect
Increases
Decreases
Exponentially increases

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Mass Transfer
Fractional solvent extraction

Results in low interfacial tension
Employs two solvents
Employs only one solvent
None of the listed here

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Mass Transfer
Steam distillation is used for separation of high boiling

Substances from non-volatile impurities
Volatile impurity from still higher boiling substances
none of the listed here
Both of the options given here

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