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.

None of these
> 100
< 100
100

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Mass Transfer
Blowdown in a cooling tower

Increases the scale forming tendencies of water
Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities
All of these
Is undesirable

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