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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Lime water
Hexane
Dilute H₂SO₄
Hot water

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

Lessing
Cross-partition
Raschig
Single spiral

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Mass Transfer
To remove all the moisture from a wet solid it requires exposure to __________ air.

None of these
Perfectly dry
Highly humid
High temperature

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Sherwood
Lewis
Peclet
Stanton

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Mass Transfer
Leaching rate is independent of the

Temperature
None of the listed here
Particle size
Agitation

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Mass Transfer
Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and

Dehumidified
None of these
Humidified with wet bulb temperature decreasing
Humidified at constant wet bulb temperature

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