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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
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of Hâ‚‚/ky.Cz is around

0.72
1
0.24
0.6

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Mass Transfer
Extraction of coffee from its seed is done by

Steam distillation
Liquid-liquid extraction
Leaching
Extractive distillation

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Mass Transfer
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.

Exponentially increases
Increases
Decreases
Does not affect

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Mass Transfer
Total reflux in a distillation operation requires minimum

Condenser load
Number of plates
Reboiler load
All of these

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

Equal
Either A or B; depends on the packing height
Less
More

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