Mass Transfer
According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.

12
6
10
8

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
For water-ethanol system, the minimum reflux ratio

Is computed from the intercept of the operating line
Is the optimum reflux ratio
Cannot be computed
Is computed from the slope of the upper operating line that is tangent to the equilibrium curve

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Mass Transfer