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Mass Transfer

Mass Transfer
Degree of freedom for leaching and solvent extraction process is

3
1
2

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Mass Transfer
Leaching of sugar from sugar beets is done by

Dilute H₂SO₄
Hexane
Hot water
Lime water

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

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

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Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Remains same
Decreases
Increases
May increase or decrease ; depends on individual design

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Mass Transfer
Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture.

Critical
Unbound
Free
Bound

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Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Higher absolute (specific) humidity
Higher wet bulb temperature
Higher dew point
Higher relative humidity

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