The use of vapour produced from the reboiler is
(a) To strip out more volatile component from liquid
(b) To strip out low volatile component from the liquid
(c) To increase the temperature of the fractionator bottom
(d) None of the mentioned
This question was addressed to me in an online interview.
My question is based upon Continuous Fractionation Operation of Distillation Column topic in division Distillation of Mass Transfer