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Mass Transfer

Mass Transfer
Selectivity of the solvent used in solvent extraction should be

1
< 1
> 1

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Mass Transfer
Molecular seives are regenerated by heating to __________ °C.

> 1000
< 150
200-330
> 500

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Mass Transfer
Which of the following adsorbant is used in the refinning of sugar?

Activated clay
Silica gel
Bone charcoal
Wood charcoal

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Mass Transfer
At minimum reflux ratio for a given separation

Minimum number of the theoretical plates is required
Number of plates is zero
Number of plates is infinity
Separation is most efficient

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Mass Transfer
With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature)

Decreases linearly
Decreases
Remains unchanged
Increases

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Mass Transfer
Solvent used in extractive distillation

Is of low volatility
Forms a high boiling azeotrope
Forms a low boiling azeotrope
Does not alter the relative volatility of the original components

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