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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Bubble cap
Packed column
Sieve tray
Any of these

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Mass Transfer
For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

Remains same
Either A or B; depends on the gas
Decreases
Increases

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Mass Transfer
During sensible cooling process

Relative humidity increases
Wet bulb temperature decreases
Both B and C
Relative humidity decreases

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

Podbielniak
Schiebel
Treybal
None of the listed here

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

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

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Mass Transfer
Physical absorption is

A reversible phenomenon
An irreversible phenomenon
Accompanied by evolution of heat
Both B & C

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