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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.

90-100
30-40
70-80
44119

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Mass Transfer
Ion exchange process is similar to

Absorption
Leaching
Adsorption
Extraction

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Mass Transfer
Dorr thickener is an equipment used for

Leaching
Classification
Clarification
Sedimentation

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Mass Transfer
Boiling point diagram is

A plot of temperature vs. liquid composition
A plot of temperature vs. vapour composition
Not affected by pressure
Affected by pressure

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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

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

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Peclet
Stanton
Schmidt
Sherwood

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