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Mass Transfer

Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

1
≤ 1
> 1
< 1

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Mass Transfer
Perforated plate towers are unique for solvent extraction because, they provide

Higher contact area
Better contact of the phase
Repeated coalescence & redispersion of the drop phase
None of these

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Mass Transfer
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will

Data insufficient, can't be predicted
Decrease
Increase
Remain same

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Both A & B
Neither A nor B
Decrease in air temperature
Increase in air humidity

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Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Increases
Remains same
Decreases
Decreases linearly

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Remains unaffected
Increases
Decreases
Increases Linearly

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