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Mass Transfer

Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Pressure
Thermal
Concentration
Forced

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Humidified
Dehumidified
Cooled
Both A & B

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Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

< 1
1
> 1
≤ 1

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Mass Transfer
Total reflux in a distillation operation requires minimum

All of these
Reboiler load
Number of plates
Condenser load

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Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Increases
Decreases
Data insufficient, cannot be predicted
Remains constant

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

Schmidt
Peclet
Sherwood
Stanton

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