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Mass Transfer

Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

1
?
None of these

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Mass Transfer
The caking of crystals can be prevented by

Coating the product with inert material
Maintaining low critical humidity
Both A and C
Maintaining high critical humidity

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Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

> 1
0.5
< 1
1

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Mass Transfer
Which of the following is an undesirable property in a tower packing?

Low weight per unit volume
Large surface per unit volume
Large free cross-section
Large weight of liquid retained

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Mass Transfer
Paper industry employs __________ driers.

Fluidised bed
Cylinder
Rotary
Spray

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Mass Transfer
Diameter of raschig rings used in packed tower in industry is normally around __________ inches.

2
18
12
8

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