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. |
What affects crystal growth? |
| A. | Temperature |
| B. | Pressure |
| C. | Evaporation |
| D. | Evaporation, pressure and temperature |
| Answer» E. | |
| 2. |
Which of the following statements about seed crystal are correct?Statement 1: Seed crystal provides a nucleation site. |
| A. | nStatement 2: The recrystallization is done by seed crystal. |
| B. | True, False |
| C. | True, True |
| D. | False, True |
| E. | False, False |
| Answer» C. True, True | |
| 3. |
What is classical nucleation theory? |
| A. | To study the kinetics of nucleation |
| B. | To study the nucleation statists |
| C. | To study the concentration of nucleation |
| D. | To study the nucleation temperature |
| Answer» B. To study the nucleation statists | |
| 4. |
What is the first step in crystallization? |
| A. | Nucleation |
| B. | Cooling |
| C. | Super-cooling |
| D. | Pre-crystallization |
| Answer» B. Cooling | |
| 5. |
What is the other name for super-cooling? |
| A. | Undercooling |
| B. | Overcooling |
| C. | Cooling |
| D. | Super cooling |
| Answer» B. Overcooling | |
| 6. |
How can supersaturated solution used in marine ecologist? |
| A. | To study the activity of organisms |
| B. | Tostudy the concentration of water |
| C. | To study the patterns of the organisms |
| D. | To detect the populations adaption |
| Answer» B. Tostudy the concentration of water | |
| 7. |
Which of the industry uses the In vivo supersaturation phenomenon? |
| A. | Fashion industry |
| B. | Pharma industry |
| C. | Food industry |
| D. | Cement industry |
| Answer» C. Food industry | |
| 8. |
What is the principle of supersaturation in vapor phase? |
| A. | Poynting effect |
| B. | Gibbs Thomson effect and Poynting effect |
| C. | Kelvin equation and Gibbs Thomson effect |
| D. | Kelvin equation, Gibbs Thomson effect and Poynting effect |
| Answer» E. | |
| 9. |
What is supersaturation? |
| A. | Has a higher vapor pressure than that of vapor pressure of that compound |
| B. | Has a lower vapor pressure than that of vapor pressure of that compound |
| C. | Has equal pressure similar to vapor pressure of that compound |
| D. | Does not depend on vapor pressure of that compound |
| Answer» B. Has a lower vapor pressure than that of vapor pressure of that compound | |
| 10. |
What happens when supersaturated solution is cooled down? |
| A. | Solid crystals will dissolve into the water |
| B. | Solid crystals remain as it is in water |
| C. | Solid crystals will grow in bigger size |
| D. | Solid crystals will shrink into smaller size |
| Answer» B. Solid crystals remain as it is in water | |