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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Hexane
Dilute H₂SO₄
Lime water
Hot water

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Mass Transfer
For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement.

No change in theoretical
None of the listed here
Major decrease in the number of
Marginal decrease in the number of

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Mass Transfer
The commonly used solvent in supercritical extraction is

Methyl ethyl ketone
Carbon tetrachloride
Carbon dioxide
Water

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Mass Transfer
Cox chart is useful in the design of

Crystalliser
Evaporator
Distillation column
Dryer

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Mass Transfer
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

Equal to the dry bulb
Less than the wet bulb
More than the wet bulb
Equal to the wet bulb

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Mass Transfer
Mass transfer co-efficient is defined as

Co-efficient = Flux/concentration difference
Flux=concentration difference/co-effi-cient
None of the listed here
Flux = Co-efficient/concentration difference

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