

MCQOPTIONS
Saved Bookmarks
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Distillation Design knowledge and support exam preparation. Choose a topic below to get started.
1. |
If the feed is saturated liquid, then |
A. | q = 1 |
B. | q= 0.1 |
C. | q = F |
D. | q= 0 |
Answer» B. q= 0.1 | |
2. |
If feed is saturated vapor, then |
A. | q = 1 |
B. | q= 0.5 |
C. | q= 0 |
D. | q= infinite |
Answer» D. q= infinite | |
3. |
Sometime the reboiler is also considered as the |
A. | Reflux item |
B. | Extra equity |
C. | Heat extractor |
D. | Extra Stage |
Answer» E. | |
4. |
In the Fenske s equation, xw and yw are |
A. | Equilibrium liquid and vapor concentration |
B. | Equilibrium distilled content |
C. | Partial vapor concentrations of liquid and solid |
D. | Total vapor and liquid rate |
Answer» B. Equilibrium distilled content | |
5. |
If the D -> 0, then the condition is called as |
A. | Total Boil up |
B. | No distillation |
C. | No Separation |
D. | Total Reflux |
Answer» E. | |
6. |
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 |
Answer» B. 14.1 | |
7. |
The real number of trays are obtained as ratio of |
A. | Number of ideal trays and flow rate |
B. | Number of ideal trays and efficiency |
C. | Number of ideal trays and reflux ratio |
D. | Number of ideal trays and stripping ratio |
Answer» C. Number of ideal trays and reflux ratio | |
8. |
If R=1.5 and xd= 0.96, then intercept of enriching line is estimated as |
A. | 0.384 |
B. | 0.234 |
C. | 0.5 |
D. | 0.96 |
Answer» B. 0.234 | |
9. |
The overall material balance of the tower is given by |
A. | L= V+W |
B. | F=D+W |
C. | D= F+HD |
D. | D= V+HD |
Answer» C. D= F+HD | |