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
More than
Same as
Less than

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Mass Transfer
Dew point of an air-water vapor mixture

All of the listed here
At constant humidity & total pressure is fixed
Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve
Decreases with decrease in pressure

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