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Mass Transfer

Mass Transfer
Operating velocity in a packed tower is usually __________ the flooding velocity.

Half
Twice
More than
Equal to

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Mass Transfer
Make up water is required in a cooling tower to replace the water lost by

Evaporation
Blowdown and leakage
All of these
Drift

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Mass Transfer
Pore size of the molecular seive 5A is __________ mm.

0.05
50
0.5
5

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Avoiding deposition on cooler surfaces
Crystal growth
Formation of nuclei

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Mass Transfer
Diameter to height ratio for a rashig ring is

0.5
5
2
1

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Mass Transfer
The process employing desorption of the absorbed solute by a solvent is called

Osmosis
Sublimation
Reverse osmosis
Elution

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