MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
What is the formula for solute absorption factor? |
| A. | Ai = LV/Ki |
| B. | Si = Ki V/L |
| C. | Ai =L/Ki V |
| D. | Si = Ki /LV |
| Answer» D. Si = Ki /LV | |
| 2. |
When is the Roult’s law used? |
| A. | Ideal solutions involving solutes at sub-critical temperatures |
| B. | Non-ideal solutions involving solvents at sub-critical temperatures |
| C. | Ideal solution involving solutes at critical temperatures |
| D. | Non-ideal solutions involving solutes at critical temperatures |
| Answer» B. Non-ideal solutions involving solvents at sub-critical temperatures | |
| 3. |
Which of the following does not give a correct expression for K i ? |
| A. | Roult’s law |
| B. | Henry’s law |
| C. | Modified Roult’s law |
| D. | Gas law |
| Answer» E. | |
| 4. |
What is the formula for fraction of the solute i stripped? |
| A. | A i N+1 – 1/ A i N+1 –A i |
| B. | A i N+1 – A i / A i N+1 –1 |
| C. | S i N+1 – S i / S i N+1 –1 |
| D. | S i N+1 – A i / S i N+1 –1 |
| Answer» D. S i N+1 – A i / S i N+1 –1 | |
| 5. |
What does N stand for? |
| A. | Number of processes |
| B. | Number of stages |
| C. | Number of equipment |
| D. | Ratio of feed to product |
| Answer» C. Number of equipment | |
| 6. |
WHAT_IS_THE_FORMULA_FOR_SOLUTE_ABSORPTION_FACTOR??$ |
| A. | A<sub>i</sub> = LV/K<sub>i</sub> |
| B. | S<sub>i</sub> = K<sub>i</sub> V/L |
| C. | A<sub>i</sub> =L/K<sub>i</sub> V |
| D. | S<sub>i</sub> = K<sub>i</sub> /LV |
| Answer» D. S<sub>i</sub> = K<sub>i</sub> /LV | |
| 7. |
Which equation is sued for sparingly soluble solutes at sub-critical temperatures? |
| A. | Roult’s law |
| B. | Henry’s law |
| C. | Modified Roult’s law |
| D. | Solubility equation |
| Answer» E. | |
| 8. |
Which equation is used for solutes at supercritical temperatures? |
| A. | Roult’s law |
| B. | Henry’s law |
| C. | Modified Roult’s law |
| D. | Gas law |
| Answer» C. Modified Roult‚Äö√Ñ√∂‚àö√ë‚àö¬•s law | |
| 9. |
When is the Roult’s law used?$ |
| A. | Ideal solutions involving solutes at sub-critical temperatures |
| B. | Non-ideal solutions involving solvents at sub-critical temperatures |
| C. | Ideal solution involving solutes at critical temperatures |
| D. | Non-ideal solutions involving solutes at critical temperatures |
| Answer» B. Non-ideal solutions involving solvents at sub-critical temperatures | |
| 10. |
Which of the following does not give a correct expression for K i ? |
| A. | Roult’s law |
| B. | Henry’s law |
| C. | Modified Roult’s law |
| D. | Gas law |
| Answer» E. | |
| 11. |
What is the formula for fraction of the solute i absorbed? |
| A. | A <sub>i</sub><sup> N+1</sup> – 1/ A <sub>i</sub> <sup>N+1</sup> –A <sub>i</sub> |
| B. | A <sub>i</sub> <sup> N+1</sup> – A <sub>i</sub> / A <sub>i</sub> <sup> N+1</sup> –1 |
| C. | S <sub>i</sub> <sup> N+1</sup> – S <sub>i</sub> / S <sub>i</sub> <sup> N+1</sup> –1 |
| D. | S <sub>i</sub> <sup> N+1</sup> – A <sub>i</sub> / S <sub>i</sub> <sup> N+1</sup> –1 |
| Answer» C. S <sub>i</sub> <sup> N+1</sup> ‚Äö√Ñ√∂‚àö√ë‚àö¬® S <sub>i</sub> / S <sub>i</sub> <sup> N+1</sup> ‚Äö√Ñ√∂‚àö√ë‚àö¬®1 | |
| 12. |
Which method is applied when graphical method is unsuitable? |
| A. | Keller method |
| B. | Newton’s method |
| C. | Distillation method |
| D. | Kremser method |
| Answer» E. | |
| 13. |
When does the graphical method become tedious? |
| A. | When there are too many solvents |
| B. | When too many stages are involved |
| C. | When more than one solute is adsorbed or stripped |
| D. | When the solute to be stripped is unknown |
| Answer» D. When the solute to be stripped is unknown | |
| 14. |
What is the full form of N in Algebraic Method Determining N? |
| A. | Number of processes |
| B. | Number of stages |
| C. | Number of equipment |
| D. | Ratio of feed to product |
| Answer» C. Number of equipment | |