MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why is pressure swing distillation costly? |
| A. | High cost of gas compression |
| B. | High cost of equipment |
| C. | High cost of columns |
| D. | Less yield |
| Answer» B. High cost of equipment | |
| 2. |
For pressure swing distillation, due to high cost of gas compression, __________ is akey factor. |
| A. | Efficiency |
| B. | Feed |
| C. | Yield |
| D. | Recycle ratio |
| Answer» E. | |
| 3. |
In the separation of ethanol-water the feed is __________ in ethanol than azeotrope. |
| A. | Less rich |
| B. | More rich |
| C. | Less clear |
| D. | More clear |
| Answer» B. More rich | |
| 4. |
FOR_PRESSURE_SWING_DISTILLATION,_DUE_TO_HIGH_COST_OF_GAS_COMPRESSION,____________IS_AKEY_FACTOR.?$ |
| A. | Efficiency |
| B. | Feed |
| C. | Yield |
| D. | Recycle ratio |
| Answer» E. | |
| 5. |
Why_is_pressure_swing_distillation_costly?$ |
| A. | High cost of gas compression |
| B. | High cost of equipment |
| C. | High cost of columns |
| D. | Less yield |
| Answer» B. High cost of equipment | |
| 6. |
In the separation of ethanol-water the feed is __________ in ethanol than azeotrope? |
| A. | Less rich |
| B. | More rich |
| C. | Less clear |
| D. | More clear |
| Answer» B. More rich | |
| 7. |
What does recycle ratio depends on? |
| A. | Variation of azeotropic composition with column pressure |
| B. | Variation of pressure with composition |
| C. | Cost of gas compression |
| D. | Efficiency of instrument |
| Answer» B. Variation of pressure with composition | |
| 8. |
Why is recycle ratio a key design factor? |
| A. | Low cost of gas compression |
| B. | High cost of gas compression |
| C. | High equipment cost |
| D. | High gas cost |
| Answer» C. High equipment cost | |
| 9. |
Hydrochloric acid-water mixture is separated using: |
| A. | Salt distillation |
| B. | Extractive distillation |
| C. | Differential distillation |
| D. | Pressure swing distillation |
| Answer» E. | |
| 10. |
Formic acid-water mixture is separated using: |
| A. | Salt distillation |
| B. | Extractive distillation |
| C. | Differential distillation |
| D. | Pressure swing distillation |
| Answer» E. | |
| 11. |
Which of the following is an application of pressure swing distillation? |
| A. | Tetrahydrofuran-water mixture |
| B. | Hydrochloric acid-methanol mixture |
| C. | Tetrahydrofuran-methanol mixture |
| D. | Hydrochloric acid- tetrahydrofuran mixture |
| Answer» B. Hydrochloric acid-methanol mixture | |
| 12. |
What is done in pressure swing distillation? |
| A. | Two columns in series at same pressure |
| B. | Two columns in parallel at same pressure |
| C. | Two columns in series at different pressures |
| D. | Two columns in parallel at different pressures |
| Answer» D. Two columns in parallel at different pressures | |
| 13. |
When is the pressure swing distillation used? |
| A. | When the binary azeotrope changes composition by 5mol% over a moderate range of pressure |
| B. | When the binary azeotrope changes composition by 10mol% over a moderate range of pressure |
| C. | When the binary azeotrope changes composition by 2mol% over a moderate range of pressure |
| D. | When the binary azeotrope changes composition by 0.5mol% over a moderate range of pressure |
| Answer» B. When the binary azeotrope changes composition by 10mol% over a moderate range of pressure | |