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. |
What is true about vapor- liquid equilibrium? |
| A. | tVapor is at its dew point and liquid at its bubble point |
| B. | tVapor at its bubble point and liquid at its dew point |
| C. | tBoth the liquid and vapor at dew point |
| D. | tBoth the liquid and vapor at bubble point |
| Answer» B. tVapor at its bubble point and liquid at its dew point | |
| 2. |
What is the bubble point equation? |
| A. | t ziki=0 |
| B. | t zi/ki=0 |
| C. | t ziki=1 |
| D. | t zi/ki=1 |
| Answer» D. t zi/ki=1 | |
| 3. |
What is the dew point quation? |
| A. | t ziki=0 |
| B. | t zi/ki=0 |
| C. | t ziki=1 |
| D. | t zi/ki=1 |
| Answer» E. | |
| 4. |
What is the equation for total energy balance? |
| A. | tP<sub>v</sub>=P<sub>L</sub> |
| B. | tF=V + L |
| C. | ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> |
| D. | tFz<sub>i</sub>=Vy<sub>i</sub> + Lx<sub>i</sub> |
| Answer» C. ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> | |
| 5. |
What is the equation for component material balance? |
| A. | tP<sub>v</sub>=P<sub>L</sub> |
| B. | tT<sub>V</sub>=T<sub>L</sub> |
| C. | ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> |
| D. | tFz<sub>i</sub>=Vy<sub>i</sub> + Lx<sub>i</sub> |
| Answer» E. | |
| 6. |
What is the condition for mechanical equilibrium? |
| A. | tP<sub>v</sub>=P<sub>L</sub> |
| B. | tT<sub>V</sub>=T<sub>L</sub> |
| C. | ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> |
| D. | tFz<sub>i</sub>=Vy<sub>i</sub> + Lx<sub>i</sub> |
| Answer» B. tT<sub>V</sub>=T<sub>L</sub> | |
| 7. |
What is the condition for thermal equilibrium? |
| A. | tP<sub>v</sub>=P<sub>L</sub> |
| B. | tT<sub>V</sub>=T<sub>L</sub> |
| C. | ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> |
| D. | tFz<sub>i</sub>=Vy<sub>i</sub> + Lx<sub>i</sub> |
| Answer» C. ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> | |
| 8. |
What is the condition for phase equilibrium? |
| A. | tP<sub>v</sub>=P<sub>L</sub> |
| B. | tT<sub>V</sub>=T<sub>L</sub> |
| C. | ty<sub>i</sub>=k<sub>i</sub>x<sub>i</sub> |
| D. | tFz<sub>i</sub>=Vy<sub>i</sub> + Lx<sub>i</sub> |
| Answer» D. tFz<sub>i</sub>=Vy<sub>i</sub> + Lx<sub>i</sub> | |
| 9. |
When is flashing a replacement for distillation? |
| A. | tWhen the relative velocity is high |
| B. | tWhen the relative velocity is low |
| C. | tWhen the relative volatility is high |
| D. | tWhen the relative volatility is low |
| Answer» D. tWhen the relative volatility is low | |
| 10. |
What is a flash? |
| A. | tIt is a single-equilibrium stage distillation where the feed is partially vaporized to give a vapor feed rich in more volatile components. |
| B. | tIt is a double-equilibrium stage distillation where the feed is partially vaporized to give a vapor feed rich in more volatile components |
| C. | tIt is a single-equilibrium stage distillation where the feed is completely vaporized to give a vapor feed rich in more volatile components |
| D. | tIt is a single-equilibrium stage distillation where the feed is partially vaporized to give a vapor feed rich in less volatile components |
| Answer» B. tIt is a double-equilibrium stage distillation where the feed is partially vaporized to give a vapor feed rich in more volatile components | |