Mass Transfer
Which of the following processes is not an example of adsorption applied to gaseous separations?

Recovery of valuable solvent vapors from dilute mixture with air and other gases
Dehumidification of air and gas
Removal of objectionable odour and impurities from industrial gases
Decolouration of yellow glycerene

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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
Dehumidification with dry bulb temperature remaining constant
Heating and dehumidification at almost constant wet bulb temperature

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Mass Transfer
Plate efficiency

Increases due to weeping and dumping of liquid
Increases due to liquid entrainment
Increases due to foaming
Is a function of the mass transfer between liquid and vapour

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