MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Which of the following could be an azeotropic mixture? |
| A. | Components belonging to same functional group |
| B. | Geometrical isomers |
| C. | Functional isomers |
| D. | Chain isomers |
| Answer» D. Chain isomers | |
| 2. |
How is it possible to shift the equilibrium to advantage in azeotropic mixture? |
| A. | Changing the volume |
| B. | Adding more mixture |
| C. | Adding one of the component more |
| D. | Changing the pressure. |
| Answer» E. | |
| 3. |
What happens when activity coefficients are greater than 1? |
| A. | The maximum total pressure is smaller than vapor pressure of either component |
| B. | The maximum total pressure is greater than vapor pressure of either components |
| C. | The maximum total pressure is greater than one component only |
| D. | The minimum total pressure is greater than vapor pressure of either components |
| Answer» E. | |
| 4. |
HOW_IS_IT_POSSIBLE_TO_SHIFT_THE_EQUILIBRIUM_TO_ADVANTAGE_IN_AZEOTROPIC_MIXTURE??$ |
| A. | Changing the volume |
| B. | Adding more mixture |
| C. | Adding one of the component more |
| D. | Changing the pressure. |
| Answer» E. | |
| 5. |
Which_of_the_following_could_be_an_azeotropic_mixture?$ |
| A. | Components belonging to same functional group |
| B. | Geometrical isomers |
| C. | Functional isomers |
| D. | Chain isomers |
| Answer» D. Chain isomers | |
| 6. |
Where are maximum boiling homogeneous azeotropes approached in distillation? |
| A. | Bottom product |
| B. | Top product |
| C. | Vapors |
| D. | Separate channel required |
| Answer» B. Top product | |
| 7. |
Which of the following is most common azeotrope? |
| A. | Minimum boiling heterogeneous |
| B. | Maximum boiling heterogeneous |
| C. | Maximum boiling homogeneous |
| D. | Minimum boiling homogeneous |
| Answer» E. | |
| 8. |
Isopropyl ether-isopropyl alcohol is which type of azeotropic mixture? |
| A. | Minimum boiling heterogeneous mixture |
| B. | Maximum boiling heterogeneous mixture |
| C. | Minimum boiling homogeneous mixture |
| D. | Minimum boiling heterogeneous mixture |
| Answer» D. Minimum boiling heterogeneous mixture | |
| 9. |
What is the value of K for azeotropic mixtures? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 10. |
What is the definition of azeotropic mixture? |
| A. | A liquid mixture of two or more substances that boils at a constant characteristic temperature lower or higher than anyof its components and that retains the same composition in the vapor state as in the liquid state. |
| B. | A liquid mixture of two or more substances that boils at a different characteristic temperature |
| C. | A liquid mixture of two or more substances that boils at a constant characteristic pressure |
| D. | A liquid mixture of two or more substances that boils at a constant characteristic temperature and pressure |
| Answer» B. A liquid mixture of two or more substances that boils at a different characteristic temperature | |