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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
1/f
F

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Mass Transfer
HETP is numerically equal to HTU, only when the operating line

And equilibrium lines are parallel
Lies below the equilibrium line
Lies above the equilibrium line
Is far from the equilibrium line

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Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

High pressure
Steam
Low pressure
Extractive

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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
0.001
4.605
9.21

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Mass Transfer
Ammonia present in the coke oven gas is removed by washing with

Dilute ammoniacal liquor
Dilute HCl
Ethanolamine
Caustic solution

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

?
None of these
1

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