The diffusivity D. in a binary gas mixture is related to the pressure (P) as___________________?

Related Mcqs:

As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages_______________________?

A. Increase B. Decrease C. Remain unchanged D. Can either increase or decrease, depends on the system...

Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C ?

A. Humidification only B. Heating only C. Both heating and humidification D. Evaporative cooling...

Blowdown in a cooling tower__________________?

A. Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities B. Increases the scale forming tendencies of water C. Is undesirable D. All A., B. & C....

Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for_________________?

A. Constant molal overflow B. Total reflux C. Constant relative volatility D. All A., B. and C....

In a counter-current extractor, as the axial mixing increases, the extraction efficiency______________________?

A. Increases B. Decreases C. Remains unchanged D. Depends on the pressure of the system...