Mass Transfer
Pick out the system with maximum boiling azeotrope at 1 atm.

None of these
Ethyl alcohol-water
Benzene-ethyl alcohol
Acetone chloroform

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Mass Transfer
Blowdown in a cooling tower

Is undesirable
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

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