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Mass Transfer

Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

70-80
30-40
90-100
44119

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Crystal growth
Avoiding deposition on cooler surfaces
Formation of nuclei

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Mass Transfer
Leaching of sugar from sugar beets is done by

Dilute H₂SO₄
Hot water
Hexane
Lime water

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Mass Transfer
In case of unsaturated air

Dew point < wet bulb temperature
Both of the options given here
None of the listed here
Wet bulb temperature < dry bulb temperature

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Mass Transfer
Large scale usage of flash distillation is practised in

Petroleum refinning
Ammonia synthesis plant
Soap manufacturing
Polymerisation industry

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Mass Transfer
The most common packing used in industrial operations is __________ rings.

Lessing
Single spiral
Raschig
Cross-partition

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