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. |
Which of the following shape represents the number of theoretical stages in McCabe-Thiele plot? |
| A. | Vertical line |
| B. | Circle |
| C. | Triangle |
| D. | Square |
| Answer» D. Square | |
| 2. |
Which of the following trays are used in distillation? |
| A. | Bubble cap tray, sieve deck tray |
| B. | Bubble cap tray, pore sieve tray |
| C. | Sieve deck tray, pore sieve tray |
| D. | Bubble cap tray, multi-flow tray |
| Answer» B. Bubble cap tray, pore sieve tray | |
| 3. |
What does high reflux ratio mean? |
| A. | Higher purity of the distillate |
| B. | Lower purity of the distillate |
| C. | Collection rate will be higher |
| D. | Does not depend on purity and collection rate |
| Answer» B. Lower purity of the distillate | |
| 4. |
What are the limitations of McCabe Thiele method? |
| A. | Cannot analyze mixtures containing more than 2 components |
| B. | Cannot analyze freeze dry product |
| C. | Cannot analyze mixtures at high temperature |
| D. | Cannot analyze mixtures at low temperature |
| Answer» B. Cannot analyze freeze dry product | |
| 5. |
Can Murphree efficiency be greater than 100? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What is Q in McCabe Thiele method? |
| A. | Mole fraction of liquid in the feed |
| B. | Concentration |
| C. | Viscosity |
| D. | Temperature |
| Answer» B. Concentration | |
| 7. |
Which of the following is explained by using McCabe-Thiele plot? |
| A. | Distillation |
| B. | Crystallization |
| C. | Molecular separation |
| D. | Freezing |
| Answer» B. Crystallization | |
| 8. |
What factors affect distillation? |
| A. | Solubility |
| B. | Relative volatility |
| C. | Surface area |
| D. | Solubility, relative volatility and surface area |
| Answer» E. | |
| 9. |
Are these statements about the binary distillation true?
|
| A. | nStatement 2: During this process, the mixture of components is separated by their phases. |
| B. | True, False |
| C. | True, True |
| D. | False, True |
| E. | False, False |
| Answer» C. True, True | |
| 10. |
What is distillation reflux ratio? |
| A. | Ratio between the boil up rate and the take-off rate |
| B. | Product of boil up rate and the take-off rate |
| C. | Sum of boil up rate and the take-off rate |
| D. | Ratio between the take-off rateand boil up rate |
| Answer» B. Product of boil up rate and the take-off rate | |