Mass Transfer
Solvent used in extractive distillation

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

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Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Cooling and dehumidification
None of these
Heating and dehumidification at almost constant wet bulb temperature
Dehumidification with dry bulb temperature remaining constant

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