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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Wetted wall
Bubble cap
Seive/perforated tray
Packed

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Mass Transfer
__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

Wet bulb
Dry bulb
Dew point
None of these

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Mass Transfer
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.

Very much less
Less than
Same as
More than

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Mass Transfer
During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

Liquid film
Gas film
Liquid-gas interface
None of these

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Mass Transfer
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Absorption
Solvent extraction
Continuous distillation
Evaporation

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Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re0.53
Re
Re0.83
Re0.33

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