If the ideal trays are 7.7 and the efficiency of each one is 0.5, then real number of trays are
(a) 15.4
(b) 14.1
(c) 15.0
(d) 18.5
This question was addressed to me in a job interview.
My question comes from Mccabe Thiele Diagram-Line Equation in chapter Key Fractionation Concepts of Distillation Design