At what value of reflux ratio, number of theoretical plates in a distillation column is minimum ?

Related Mcqs:

The commonly used solvent in supercritical extraction is_____________________?

A. Methyl ethyl ketone B. Water C. Carbon tetrachloride D. Carbon dioxide...

In gas-liquid contact operation, the number of ideal stages, N = (xa – xb)/(xb – x*b). This is true when the stripping factor ‘S’ is ________________?

A. S > 1 B. S < 1 C. S = 1 D. S = ∞...

The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C ?

A. 25 B. > 25 C. < 25 D. – 25...

With the lowering of equilibrium pressure, at a given temperature, the amount of adsorbate on the adsorbent ?

A. Increases B. Decreases C. Remain same D. Either A. or B., depends on the system...

High pressure at the bottom of a distillation tower handling heat sensitive materials results in _____________________?

A. Thermal decomposition of bottoms B. Increased relative volatility C. Erosion of the tower D. Very efficient operation...