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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Temperature
None of the listed here
Particle size
Agitation

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Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

1
< 1
0.5
> 1

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Mass Transfer
For a binary mixture with low relative volatility,

Use steam distillation
Use high pressure distillation
An azeotrope may be formed during distillation
Use molecular distillation

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Mass Transfer
Overall efficiency of the distillation column is

Same as the Murphree efficiency
The ratio of number of ideal plates to actual plates
Always more than the point efficiency
The ratio of number of actual plates to ideal plates

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

Decreases
Remains unaffected
Increases
Decreases linearly

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Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

Wet bulb temperature
Dry bulb temperature
None of these
Dew point

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