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Mass Transfer

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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Mass Transfer
As the reflux ratio decreases, the

None of these
Separation becomes more efficient
Column diameter increases
Number of plates increases

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Mass Transfer
Absorption factor method is used to calculate the number of ideal stages, when

Both operating and equilibrium lines are parallel
Operating line lies below the equilibrium line
Operating line lies above the equilibrium line
Pressure drop in the column is very high

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Mass Transfer
Which of the following parameters remains constant during chemical dehumidifica-tion?

Partial pressure of vapour
None of these
Dry bulb temperature
Wet bulb temperature

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

Dilute HCl
Dilute ammoniacal liquor
Caustic solution
Ethanolamine

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Mass Transfer
A minimum boiling azeotrope is exemplified by

Toluene-benzene
Water-isobutyl alcohol
None of these
Acetone-carbon disulphide

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