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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

2f
F/2
F
1/f

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Mass Transfer
At constant pressure, with increase of temperature, the dew point will

Remain unchanged
Decrease
Increase
Increase/decrease ; depends on the temperature

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Mass Transfer
Leaching of coffee from coffee beans is done by

Lime water
Hexane
Dilute H₂SO₄ (hot)
Hot water

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

0.5
0.05
50
5

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Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

May increase or decrease ; depends on individual design
Remains same
Decreases
Increases

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Mass Transfer
In stripping section of continuous distillation column, the

Liquid is stripped of high boiler
Vapour is stripped of low boiler
Liquid is enriched with high boiler
None of these

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