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

Related Mcqs:

During the constant rate period of drying of a solid ?

A. Increased air humidity decreases the rate of drying B. Increasing the air temperature decreases the drying rate C. Surface evaporation of unbound moisture occurs D. None of these...

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....

_____________ extractor is used for the concentration of radioactive nuclear waste?

A. Pulsed column B. Sieve plate C. Mixer-settler D. Bollman...

For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause ____________________ plate requirement?

A. No change in theoretical B. Marginal decrease in the number of C. Major decrease in the number of D. None of these...