MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Mass Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the rate of distillate, if the composition of the more volatile component in the feed is 50% and the residue is 10% and the equilibrium relation is given by y*= 1.975x. Also the rate of residue is 60 mol/hr. |
| A. | 153 mol/hr |
| B. | 253 mol/hr |
| C. | 353 mol/hr |
| D. | 453 mol/hr |
| Answer» C. 353 mol/hr | |
| 2. |
Estimate the feed rate, if the composition of the more volatile component in the feed is 50% and the residue is 10% and the equilibrium relation is given by y*= 1.975x. Also, the rate of residue is 60 mol/hr. |
| A. | 213 mol/hr |
| B. | 313 mol/hr |
| C. | 413 mol/hr |
| D. | 513 mol/hr |
| Answer» C. 413 mol/hr | |
| 3. |
The equation applicable for batch distillation is _________ |
| A. | Frenske s equation |
| B. | Rayleigh equation |
| C. | Wilke-chan equation |
| D. | None of the mentioned |
| Answer» C. Wilke-chan equation | |
| 4. |
Pre-cooling is required before passing the vapour to the condenser in a still. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The differential distillation in order to maintain the equilibrium the process should be slow. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
For a ternary mixture, the number of cuts required is_________ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 7. |
After the separation by differential distillation, the high volatile and low volatile components are stored in _____________ |
| A. | Batch |
| B. | Cuts |
| C. | Distill |
| D. | None of the mentioned |
| Answer» C. Distill | |
| 8. |
The initial portion of the distillate will be a low volatile component. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Simple distillation is a___________ process. |
| A. | Batch |
| B. | Continuous |
| C. | Adiabatic |
| D. | None of the mentioned |
| Answer» B. Continuous | |
| 10. |
The column used for differential distillation is_______________ |
| A. | Still |
| B. | Differential column |
| C. | Batch column |
| D. | None of the mentioned |
| Answer» B. Differential column | |
| 11. |
Large number of flash distillation equals a differential distillation. |
| A. | True |
| B. | False |
| Answer» C. | |