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Mass Transfer

Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

T
T²
√T
1/T

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Mass Transfer
Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method?

Partial condenser
Total condenser
Both B and C
Reboiler

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Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

0 < f < 1
F > 1
F < 1
F = 1

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Mass Transfer
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Total
Maximum permissible
Minimum
Operating

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Mass Transfer
Small dia distillation column can be a

Any of these
Sieve tray
Bubble cap
Packed column

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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

0.001
9.21
100
4.605

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