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 cooling crystallization is more energy friendly than evaporative crystallization? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following statements about fractional crystallization are correct?Statement 1: In this process, repeated crystallization takes place.Statement 2: It increases the purity of the material. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 3. |
Which process is called as a counter-current cascade? |
| A. | Fractional crystallization |
| B. | Cooling crystallization |
| C. | Precipitation |
| D. | Evaporative crystallization |
| Answer» B. Cooling crystallization | |
| 4. |
What is special form of cooling crystallization process? |
| A. | Freeze crystallization |
| B. | Slow crystallization |
| C. | Melt crystallization |
| D. | Quick crystallization |
| Answer» D. Quick crystallization | |
| 5. |
Who invented crystallization? |
| A. | Jabir ibn Hayyan |
| B. | Charles Chamberland |
| C. | Willis Carrier |
| D. | Clarence Birdseye |
| Answer» B. Charles Chamberland | |
| 6. |
Which of the following statements about evaporative crystallization are correct?Statement 1:The process depends on evaporation of the solvent.Statement 2:This process does not create vapor or suspension of crystals in mother liquor. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 7. |
Is crystal size controlled by temperature? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
What is crystallization temperature? |
| A. | Temperature at which the brine solution is partially saturated |
| B. | Temperature at which the brine solution is fully saturated |
| C. | Temperature at which the solute and solvent is fully saturated |
| D. | Temperature at which the solute and solvent is partially saturated |
| Answer» C. Temperature at which the solute and solvent is fully saturated | |
| 9. |
What is the mechanism of crystallization? |
| A. | Nucleation, crystal maturation and growth |
| B. | Nucleation and growth |
| C. | Nucleation, growth, and crystal maturation |
| D. | Nucleation and crystal maturation |
| Answer» D. Nucleation and crystal maturation | |
| 10. |
What is co-crystallization? |
| A. | Parallel arrangement in crystallization |
| B. | Catalysts |
| C. | Cross arrangements in crystallization |
| D. | Seeding agents |
| Answer» E. | |