MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 is untrue about Roult’s law?a) P=PAsxA + PBsxBb) P=PAsxA + PBs(1-xA)c) P= PAsxA + PAs(1-x |
| A. | P=PAsxA + PBsxB |
| B. | P=PAsxA + PBs(1-xA) |
| C. | P= PAsxA + PAs(1-xA) |
| D. | P=PsB + xA(PsA-PsB) |
| Answer» D. P=PsB + xA(PsA-PsB) | |
| 2. |
From the knowledge of vapor pressures of components, a y=x equilibrium can be approximated using how many values of αA,B? |
| A. | Zero |
| B. | One |
| C. | Two |
| D. | Three |
| Answer» C. Two | |
| 3. |
Which of the following is the correct formula for gibb’s phase rule? |
| A. | F=c+p |
| B. | F=c+p-2 |
| C. | F=c-p-2 |
| D. | F=c*p -2 |
| Answer» C. F=c-p-2 | |
| 4. |
FROM_THE_KNOWLEDGE_OF_VAPOR_PRESSURES_OF_COMPONENTS,_A_Y=X_EQUILIBRIUM_CAN_BE_APPROXIMATED_USING_HOW_MANY_VALUES_OF_‚ÂÀ√≠¬¨¬±A,B??$# |
| A. | Zero |
| B. | One |
| C. | Two |
| D. | Three |
| Answer» C. Two | |
| 5. |
Which_of_the_following_is_untrue_about_Roult’s_law?$# |
| A. | P=P<sub>A</sub><sub>s</sub>x<sub>A</sub> + PB<sub>s</sub>x<sub>B</sub> |
| B. | P=P<sub>A</sub><sub>s</sub>x<sub>A</sub> + PB<sub>s</sub>(1-x<sub>A</sub>) |
| C. | P= P<sub>A</sub><sub>s</sub>x<sub>A</sub> + P<sub>A</sub><sub>s</sub>(1-x<sub>A</sub>) |
| D. | P=P<sub>s</sub><sub>B</sub> + x<sub>A</sub>(P<sup>s</sup><sub>A</sub>-P<sup>s</sup><sub>B</sub>) |
| Answer» D. P=P<sub>s</sub><sub>B</sub> + x<sub>A</sub>(P<sup>s</sup><sub>A</sub>-P<sup>s</sup><sub>B</sub>) | |
| 6. |
When does the relative volatility vary little with pressure? |
| A. | For broad boiling point mixture showing non-ideal behavior |
| B. | For narrow boiling point mixtures showing non-ideal behavior |
| C. | For narrow boiling point mixtures showing ideal behavior |
| D. | For broad boiling point mixtures showing idal behavior |
| Answer» D. For broad boiling point mixtures showing idal behavior | |
| 7. |
What is the correct definition of dew point? |
| A. | The point at which first drop of gas boils |
| B. | The point at which the first drop of liquid boils |
| C. | The point at which the first drop of gas condenses |
| D. | The point at which the bubble comes |
| Answer» D. The point at which the bubble comes | |
| 8. |
What is the definition of critical point? |
| A. | The temperature or pressure beyond which the liquid-vapor cannot co-exist |
| B. | The temperature or pressure beyond which the liquid-liquid mixture cannot co-exist |
| C. | The temperature or pressure beyond which the vapor vanishes |
| D. | The temperature or pressure beyond which the bubbles start coming |
| Answer» B. The temperature or pressure beyond which the liquid-liquid mixture cannot co-exist | |
| 9. |
Which of the following is correct definition of bubble point? |
| A. | Boiling point |
| B. | Temperature at which bubbles start |
| C. | Temperature at which pressure of bubbles is highest |
| D. | Temperature at which first bubble comes |
| Answer» E. | |
| 10. |
Which of the following techniques is not used when the boiling point difference is too small? |
| A. | Crystallization |
| B. | Adsorption |
| C. | Distillation |
| D. | Zone melting |
| Answer» D. Zone melting | |
| 11. |
What are the degrees of freedom if there are two components in two phases? |
| A. | 0 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» C. 4 | |
| 12. |
Which of the following is the correct formula for gibb’s phase rule? |
| A. | F=c+p |
| B. | F=c+p-2 |
| C. | F=c-p-2 |
| D. | F=c*p -2 |
| Answer» C. F=c-p-2 | |