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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Multicomponent absorption
Steam distillation
Leaching
Adsorption

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.

None of the listed here
Plug
Perfectly mixed
Both plug & perfectly mixed

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Mass Transfer
For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams

Passes through a maximum
Remains unaffected
Increases
Decreases

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Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

30-40
44119
90-100
70-80

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Mass Transfer
Can a cooling tower cool water below the wet bulb temperature of inlet air?

No
Yes ; but the air flow rate should be excessively high
Yes ; but height of cooling tower will be prohibitively high
Yes

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Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

+ ve
1
-1
- ve

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