Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Gas
Neither A nor B
Both A & B
Liquid

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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
Removal of objectionable odour and impurities from industrial gases
Decolouration of yellow glycerene
Dehumidification of air and gas

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Mass Transfer
Pick out the wrong statement pertaining to the rotary dryer.

Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of hot air/gases. It extends from the wall to a distance which is about 8-12%
Rotary dryer is suitable for drying sticky material
Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at any instant. The best performance for rotary drier is obtained, when the hold up is in the range of 0.
Recommended peripherial speed of a rotary drier is in the range of 10 to 30 metres/minute

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