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 McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.
A Total
B Minimum
C Operating
D Maximum permissible
What is the slope of the operating line in the rectifying section of a distillation coloumn?
A 0
B ∞
C > 1
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
What is the reflux ratio at total reflux?
A Zero
B Infinity
C Unity
D Data insufficient
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
The operating cost of a distillation column at minimum reflux ratio is
A Minimum
B Maximum
C Infinite
D Zero
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
A Greater degree of separation with a fixed number of trays
B Increased reboiler load
C Increased reflux ratio
D None of these
For a distillation column operating at minimum reflux, the
A Concentration of liquid and vapour leaving a plate will be same
B Reflux ratio will be maximum
C Number of plates required will be maximum
D None of these
What is the slope of the operating line in the stripping section of a distillation column?
A 0
B $$\infty $$
C > 1

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