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Mass Transfer

Mass Transfer
The fixed cost of a distillation column at minimum reflux ratio is

Minimum
None of these
Optimum
Infinite

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Mass Transfer
An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is

100
4.605
0.001
9.21

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Both A and B
Is one at unity value of
Increases with increase in
Neither A nor B

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Mass Transfer
Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation.

Vacuum
Atmospheric
High pressure
None of these

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Stefan
Gilliland
Toor and Marchello
Fick

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Mass Transfer
Schmidt number is given by

Re/Pe
Re.Pe
Μ/ρDAB
Sh x Pe

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