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Mass Transfer

Mass Transfer
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is

1
0.5
2
0.6

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Mass Transfer
When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.

Always lower than
Dependent on the system; can be either lower or higher than
Always higher than
Same as

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

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

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Vapor load
None of the listed here
Drift
Blow down

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Mass Transfer
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Porosity
Size
Cost
Durability

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Mass Transfer
At constant pressure, with increase of temperature, the dew point will

Increase/decrease ; depends on the temperature
Remain unchanged
Increase
Decrease

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