MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mass Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the feed enters the distillation column at its dew point, then the slope of the Flash vaporization operating line is |
| A. | 0 |
| B. | 1 |
| C. | Between 0 and 1 |
| D. | Infinity |
| Answer» B. 1 | |
| 2. |
The equilibrium composition of liquid and vapour in a feed can be identified by, |
| A. | intersection of q line with equilibrium line |
| B. | intersection of q line with operating line |
| C. | intersection of operating line with equilibrium line |
| D. | None of the mentioned |
| Answer» B. intersection of q line with operating line | |
| 3. |
Find the exact q line for the saturated liquid from the distribution diagram, |
| A. | op |
| B. | oq |
| C. | or |
| D. | pr |
| Answer» B. oq | |
| 4. |
Find the liquid vapour compositions. |
| A. | 0.5-Liquid & 0.5-Vapour |
| B. | 0.6-Liquid & 0.4-Vapour |
| C. | 0.4-Liquid & 0.6-Vapour |
| D. | 0.5-Liquid & 0.4-Vapour |
| Answer» D. 0.5-Liquid & 0.4-Vapour | |
| 5. |
Consider a saturated liquid-vapour mixture, if the liquid flow rate inside the enriching and the stripping section of a fractionator is 50 and 40 mol/hr. Also the feed rate is 10 mol/hr. Find the feed condition. |
| A. | Saturated vapour |
| B. | Saturated liquid |
| C. | Superheated vapour |
| D. | None of the mentioned |
| Answer» C. Superheated vapour | |
| 6. |
IF_THE_FEED_ENTERS_THE_DISTILLATION_COLUMN_AT_ITS_DEW_POINT,_THEN_THE_SLOPE_OF_THE_FLASH_VAPORIZATION_OPERATING_LINE_IS?$ |
| A. | 0 |
| B. | 1 |
| C. | Between 0 and 1 |
| D. | Infinity |
| Answer» B. 1 | |
| 7. |
The equilibrium composition of liquid and vapour in a feed can be identified by? |
| A. | intersection of q line with equilibrium line |
| B. | intersection of q line with operating line |
| C. | intersection of operating line with equilibrium line |
| D. | None of the mentioned |
| Answer» B. intersection of q line with operating line | |
| 8. |
The point where the operating line and the equilibrium line meets in distillation methods is known as |
| A. | Plait point |
| B. | Q point |
| C. | Pinch point |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
At what feed condition the slope of the flash vaporization line becomes 0? |
| A. | Saturated vapour |
| B. | Saturated liquid |
| C. | Superheated vapour |
| D. | None of the mentioned |
| Answer» B. Saturated liquid | |
| 10. |
Consider a saturated liquid-vapour mixture, if the liquid flow rate inside the enriching and the stripping section of a fractionator is 50 and 40 mol/hr. Also the feed rate is 10 mol/hr. Find the feed condition. |
| A. | Saturated vapour |
| B. | Saturated liquid |
| C. | Superheated vapour |
| D. | None of the mentioned |
| Answer» C. Superheated vapour | |
| 11. |
In an operation the slope of the q-line is found to be 0; then the enthalpy of feed equals enthalpy of _____________ |
| A. | Liquid |
| B. | Vapour |
| C. | Mixture |
| D. | None of the mentioned |
| Answer» C. Mixture | |
| 12. |
Find the feed condition from the below distribution curve. |
| A. | Saturated vapour |
| B. | Saturated liquid |
| C. | Superheated vapour |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 13. |
At what feed condition the slope of q line is infinity? |
| A. | Saturated vapour |
| B. | Saturated liquid |
| C. | Superheated vapour |
| D. | None of the mentioned |
| Answer» C. Superheated vapour | |