MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Is evaporation and boiling the same? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
How to increase the economy of multi effect evaporator? |
| A. | Decrease the usage of steam |
| B. | Increase the steam capacity |
| C. | Reuse the latent heat of the water vapor |
| D. | Reuse the latent heat of the liquid feed |
| Answer» B. Increase the steam capacity | |
| 3. |
Where is the feed introduced in climbing film evaporator? |
| A. | Bottom |
| B. | Top |
| C. | Middle |
| D. | Anywhere |
| Answer» B. Top | |
| 4. |
What are the different modes of feed in multiple effect evaporators? |
| A. | Forward feed arrangement |
| B. | Backward feed arrangement |
| C. | Forward feed arrangement and backward feed arrangement |
| D. | Perpendicular feed arrangement |
| Answer» D. Perpendicular feed arrangement | |
| 5. |
What is the steam economy of single effect evaporator? |
| A. | 0.8 |
| B. | 1.3 |
| C. | 10 |
| D. | 5.6 |
| Answer» B. 1.3 | |
| 6. |
Who discovered evaporation? |
| A. | Norbert Rillieux |
| B. | Justus von Liebig |
| C. | Nils Wallerius |
| D. | Rudolf Clausius |
| Answer» D. Rudolf Clausius | |
| 7. |
Are these statements about the feeding mechanism of evaporatortrue?Statement 1: In forward feed, the most concentrated liquids will occur in the last effect.Statement 2: In forward feed, the liquid is pumped from one effect to the next against the pressure drops. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 8. |
Who invented the multiple-effect evaporator? |
| A. | Norbert Rillieux |
| B. | Justus von Liebig |
| C. | Nils Wallerius |
| D. | Rudolf Clausius |
| Answer» B. Justus von Liebig | |
| 9. |
What are the advantages of multiple effect evaporators over single effect evaporator? |
| A. | Suitable for large scale operation |
| B. | Suitable for continuous operation |
| C. | Maximize the energy input required for evaporating |
| D. | Suitable for large scale and for continuous operation |
| Answer» E. | |
| 10. |
What are the three functional sections present in evaporator? |
| A. | Heat exchanger, evaporating section |
| B. | Heat exchanger, separator |
| C. | Separator, evaporating section |
| D. | Heat exchanger, evaporating section, separator |
| Answer» E. | |