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 feed rate the only adjustable parameter in continuous crystallizers? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following statements about continuous crystallizers are correct?Statement 1:These produce a consistent product.Statement 2: More energy efficient. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 3. |
What are the key parameters of rate of generation of supersaturation? |
| A. | Cooling and addition rate |
| B. | Evaporation and addition rate |
| C. | Cooling and evaporation |
| D. | Cooling, evaporation or addition rate |
| Answer» B. Evaporation and addition rate | |
| 4. |
How is product purity increased? |
| A. | Boiling |
| B. | Sweating |
| C. | Freezing |
| D. | Adding solute |
| Answer» C. Freezing | |
| 5. |
What is salting out process? |
| A. | Addition of salt to precipitate the product from solvent |
| B. | Addition of salt to precipitate the product from solution |
| C. | Removal of salt to in the product |
| D. | Removal of salt to precipitate the product from solution |
| Answer» C. Removal of salt to in the product | |
| 6. |
Which of the following statements about crystallizers design are correct?Statement 1:Selection of supersaturation generation method is not necessary.Statement 2:Choice of batch or continuous operation is important. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» D. False, False | |
| 7. |
How are crystals in precipitation vessels? |
| A. | Small size |
| B. | Large size |
| C. | Medium size |
| D. | Very large size |
| Answer» B. Large size | |
| 8. |
Which of the manufacturing unit use melt crystallizers? |
| A. | Ice creams |
| B. | Automobiles |
| C. | Salt preparation |
| D. | Semiconductor |
| Answer» E. | |
| 9. |
What is evaporative crystallization? |
| A. | Evaporation of the solvent |
| B. | Separate components at higher temperature |
| C. | Separate components at lower temperature |
| D. | Mix components at higher temperature |
| Answer» B. Separate components at higher temperature | |
| 10. |
What is the main feature of circulating liquid crystallizer? |
| A. | Efficiency is high |
| B. | Supersaturation is created in a separate region |
| C. | Low capital cost |
| D. | Easy maintenance |
| Answer» C. Low capital cost | |