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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Temperature
None of the listed here
Agitation
Particle size

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Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

- f/(1 - f)
- 1/f
(1 - f)/f
- (f - 1)/f

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Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Increases with increase in
None of these
Decreases with increase in
Is independent of

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Stefan
Gilliland
Fick
Toor and Marchello

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Mass Transfer
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of Hâ‚‚/ky.Cz is around

1
0.72
0.6
0.24

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Mass Transfer
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

Insoluble in the liquid
Soluble in the liquid
At a fixed temperature
Non-ideal in nature

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