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This section includes 17 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. |
A Pinch point may occur at intersection of feed line and |
A. | Stream line |
B. | Stripping line |
C. | Rectifying line |
D. | Equilibrium line |
Answer» E. | |
2. |
If xD=0.95, xW= 0.04 and α=2.5. Find total trays? |
A. | 7 |
B. | 6.7 |
C. | 7.7 |
D. | 6 |
Answer» C. 7.7 | |
3. |
Slope of rectifying line is given by |
A. | R/XD |
B. | R/(R+1) |
C. | F/ (D+W) |
D. | R/(R+1) |
Answer» C. F/ (D+W) | |
4. |
Calculate minimum reflux? If intercept is 0.56 and XD= 0.96 |
A. | 0.174 |
B. | 0.125 |
C. | 0.21 |
D. | 0.28 |
Answer» B. 0.125 | |
5. |
If ZF=0.6 and also feed contains 72% mole of the liquid, then intercept of x axis is |
A. | 0.744 |
B. | 0.899 |
C. | 0.833 |
D. | 1.2 |
Answer» D. 1.2 | |
6. |
If ZF¬=0.58 and also feed contains 35% mole of the liquid, then intercept of y axis is |
A. | 0.892 |
B. | 0.205 |
C. | 0.707 |
D. | Can’t be calculated |
Answer» B. 0.205 | |
7. |
If F= 200 kmol/h and ZF=0.4, XD=0.95, XW=0.04 and R=2.0, Then D is |
A. | 88.1 |
B. | 22.6 |
C. | 79.1 |
D. | 158.2 |
Answer» D. 158.2 | |
8. |
IF_XD=0.95,_XW=_0.04_AND_‚ÂÀ√≠¬¨¬±=2.5._FIND_TOTAL_TRAYS??$# |
A. | 7 |
B. | 6.7 |
C. | 7.7 |
D. | 6 |
Answer» C. 7.7 | |
9. |
A_Pinch_point_may_occur_at_intersection_of_feed_line_and$ |
A. | Stream line |
B. | Stripping line |
C. | Rectifying line |
D. | Equilibrium line |
Answer» E. | |
10. |
Slope of rectifying line is given b? |
A. | R/X<sub>D</sub> |
B. | R/(R+1) |
C. | F/ (D+W) |
D. | R/(R+1) |
Answer» C. F/ (D+W) | |
11. |
Calculate minimum reflux? If intercept is 0.56 and XD= 0.96 |
A. | 0.174 |
B. | 0.125 |
C. | 0.21 |
D. | 0.28 |
Answer» B. 0.125 | |
12. |
If ZF=0.6 and also feed contains 72% mole of the liquid, then intercept of x axis is |
A. | 0.744 |
B. | 0.899 |
C. | 0.833 |
D. | 1.2 |
Answer» D. 1.2 | |
13. |
If ZF¬=0.58 and also feed contains 35% mole of the liquid, then intercept of y axis is$ |
A. | 0.892 |
B. | 0.205 |
C. | 0.707 |
D. | Can’t be calculated |
Answer» B. 0.205 | |
14. |
Calculate Boil up? If vapor flow and bottom withdrawal are 237.3 and 120.9 respectively |
A. | 1.5 |
B. | 2.9 |
C. | 2.111 |
D. | 1.963 |
Answer» E. | |
15. |
The very First step of McCabe method is? |
A. | Plot the equilibrium curve |
B. | Plot diagonal curve |
C. | Plot Operating line |
D. | Plot stripping line |
Answer» B. Plot diagonal curve | |
16. |
If F= 200 kmol/h and ZF=0.4, XD=0.95, XW=0.04 and R=2.0, Then D is |
A. | 88.1 |
B. | 22.6 |
C. | 79.1 |
D. | 158.2 |
Answer» D. 158.2 | |
17. |
The component balance of the component A is given as |
A. | Fz<sub>F</sub>= Dx<sub>D</sub> + Wx<sub>w</sub> |
B. | Fz<sub>F</sub>= Dx<sub>D</sub> – Wx<sub>w</sub> |
C. | Fz<sub>F</sub>= Dx<sub>D</sub>/Wx<sub>w</sub> |
D. | Fz<sub>F</sub>= Dx<sub>D</sub> *Wx<sub>w</sub> |
Answer» B. Fz<sub>F</sub>= Dx<sub>D</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® Wx<sub>w</sub> | |