MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Where is the technique of leaching used? |
| A. | Research laboratories |
| B. | Soap industry |
| C. | Pharmaceutical industry |
| D. | Metallurgical industry |
| Answer» E. | |
| 2. |
How is sulphur separated from its impurities? |
| A. | Desublimation |
| B. | Sublimation |
| C. | Crystallization |
| D. | Drying |
| Answer» C. Crystallization | |
| 3. |
Which of the following solvents can be added during separation of Isopropyl alcohol and water? |
| A. | Methanol |
| B. | Ethanol |
| C. | Benzene |
| D. | Alcoholic KOH |
| Answer» D. Alcoholic KOH | |
| 4. |
When is the liquid-liquid extraction preferred over distillation? |
| A. | When the distillation apparatus is not available |
| B. | Distillation apparatus is costly |
| C. | When there too very high difference in the boiling points. |
| D. | When the liquid mixture is temperature sensitive |
| Answer» E. | |
| 5. |
In azeotropic distillation, why is an entrainer added? |
| A. | To increase the boiling point of the mixture |
| B. | To decrease the boiling point of the mixture |
| C. | To form a minimum boiling point azeotrope |
| D. | To form two immiscible phases |
| Answer» D. To form two immiscible phases | |
| 6. |
Which separation technique shall be employed to separate acetone and methanol? |
| A. | Extractive distillation |
| B. | Stripping |
| C. | Liquid-Liquid extraction |
| D. | Evaporation |
| Answer» B. Stripping | |
| 7. |
Which separation technique shall be used to remove ethane and lower molecular weight hydrocarbons for LPG production? |
| A. | Flash vaporization |
| B. | Distillation |
| C. | Reboiled absorption |
| D. | Stripping |
| Answer» D. Stripping | |
| 8. |
What is added when it is difficult to condense vapors leaving the distillation column at top? |
| A. | Adsorbent |
| B. | Absorbent |
| C. | Agitator |
| D. | ESA |
| Answer» C. Agitator | |
| 9. |
Which separation process is used when the volatility differences is too small between the species? |
| A. | Flash vaporization |
| B. | Stripping |
| C. | Extractive distillation |
| D. | Liquid-Liquid extraction |
| Answer» D. Liquid-Liquid extraction | |
| 10. |
Which of the following is NOT a disadvantages of using a mass-separating agent (MSA) ? |
| A. | Need for additional separator to remove MSA |
| B. | Possible MSA contamination |
| C. | Difficult design procedures |
| D. | Need for large quantities of MSA |
| Answer» E. | |
| 11. |
What is the role of Energy-separating agent (ESA)? |
| A. | Involves heat transfer |
| B. | Involves mass transfer |
| C. | Acts as an agitator |
| D. | Is a catalyst |
| Answer» B. Involves mass transfer | |