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Mass Transfer

Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

Steam
Extractive
High pressure
Low pressure

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Decrease in air temperature
Both A & B
Increase in air humidity
Neither A nor B

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Mass Transfer
__________ developed the film theory.

Higbie
Levenspeil
Fick
Ergun

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Mass Transfer
Which of the following employs an accessory known as 'drift eliminator' ?

Rotating disc contactor
Rotary dryer
Multiple effect evaporator
Mechanical draft cooling tower

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Mass Transfer
The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature.

Dew point
Wet bulb
Dry bulb
None of these

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Mass Transfer
Packed column distillation is limited to the column __________ metres.

Neither A nor B
Both A & B
Diameter < 0.6
Height < 6

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