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Mass Transfer

Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

1
< 1
> 1
≤ 1

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Mass Transfer
Reboiler is considered as one theoretical plate, because

None of these
Of the assumption that vapour and liquid leaving the reboiler are in equilibrium
Reboiler itself contains one plate
Vapour is recycled to the column

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Mass Transfer
The value of L/mG ratio for economical absorption operation ranges from

2.5 to 3.5
1.25 to 2.0
0.8 to 1.2
0.5 to 0.8

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Mass Transfer
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

Decreases
Increases
And the heat required in reboiler decreases
Remains unaffected

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

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

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Schiebel
None of the listed here
Podbielniak
Treybal

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