Mass Transfer
The term "approach" in a cooling tower refers to the difference in the temperature of the

None of these
Hot water entering and the cooled water leaving the cooling tower
Hot water entering the tower and the wet bulb temperature of the surrounding air
Cold water leaving the tower and the wet bulb temperature of the surrounding air

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Mass Transfer
Pick out the wrong statement pertaining to leaching.

Fine solids can not be leached in a Pachuka tank
Very high temperature is not needed for the leaching of sugar beet
Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor
Door classifier can be used for leaching of coarse solids

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

Dehumidification of air and gas
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

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