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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Adsorption
Steam distillation
Multicomponent absorption
Leaching

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

None of these
Always < 1
G/L
L/G

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Mass Transfer
Which of the following unit operations makes use of Thiele-Geddes equation?

Multicomponent distillation
Multicomponent absorption with chemical reaction
Solid-liquid extraction
Liquid-liquid extraction

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Mass Transfer
For the same process conditions, the reflux ratio of an unlagged distillation column

Increases in winter
Increases in summer
Decreases in winter
None of these

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Mass Transfer
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?

99
90
95
91.5

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

Total condenser
Reboiler
Both B and C
Partial condenser

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