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Mass Transfer

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

More than
Twice
Half
Equal to

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Mass Transfer
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is

0.2
0.25
0.175
0.4

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Mass Transfer
__________ is concerned with the adsorption equilibria.

Freundlich equation
Fick's law
Gibb's equation
None of these

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Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Both B and C
Pressure
Temperature

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Mass Transfer
Leaching of uranium ore and gold ore is done in

Centrifugal extractor
Bollman extractor
None of these
Pachuka tanks

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Mass Transfer
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

> 100
None of these
100
< 100

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