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Mass Transfer

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

70-80
90-100
30-40
44119

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Mass Transfer
At a fixed total pressure, humidity depends only on the

Density of the vapour
Partial pressure of vapour in the mixture
Heat capacity of the vapour
None of these

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Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

1
> 1
< 1

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Tunnel
Vacuum
Tray
Rotary

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Mass Transfer
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

< 100
100
None of these
> 100

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Penetration
Surface renewal
Film
None of the listed here

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