Related Questions

The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is
A 0
B ∞
C 1
D Minimum
In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.
A 1.1 to 1.5
B 1.6 to 2
C 2.2 to 2.6
D 2.7 to 3
At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?
A 0
B 1
C ∞
As the reflux ratio increases, the slope of the operating line for rectifying section
A Increases
B Decreases
C Remains constant
D Data insufficient, cannot be predicted
What is the slope of the operating line in the stripping section of a distillation column?
A 0
B $$\infty $$
C > 1
In rectifying section of a continuous distillation column, the
A Vapour is enriched with low boilers
B Vapour is enriched with high boilers
C Liquid is stripped of high boilers
D None of these
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation?
A Sorel-Lewis method
B McCabe-Thiele's method
C Ponchon-Savarit method
D None of these
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.
A Operating
B Total
C Minimum
D Maximum permissible
What is the slope of the operating line in the rectifying section of a distillation coloumn?
A 0
B ∞
C > 1
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,
A Composition of vapors and that of liquid do not vary throughout the column
B Reboiler load and condenser load are minimum
C The top and bottom compositions are unchanged with and without total reflux
D The top and bottom compositions correspond to the maximum enrichment available

Next steps