MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The separation limit for a membrane is determined by the lowest ___________ that can be separated. |
| A. | Fractional weight |
| B. | Molecular weight |
| C. | Ion weight |
| D. | Mass |
| Answer» C. Ion weight | |
| 2. |
What is the Processing temperature in membrane filtration applications? |
| A. | 15℃ |
| B. | 25℃ |
| C. | 65℃ |
| D. | 50℃ |
| Answer» E. | |
| 3. |
Which of the following membrane separation technique would be most suitable for the reduction of bacteria in skim milk? |
| A. | Reverse osmosis |
| B. | Nano filtration |
| C. | Ultra filtration |
| D. | Membrane filtration |
| Answer» E. | |
| 4. |
Which of the following membrane separation technique would be most suitable for the concentration of milk proteins in dairy industry? |
| A. | Reverse osmosis |
| B. | Nano filtration |
| C. | Ultra filtration |
| D. | Membrane filtration |
| Answer» D. Membrane filtration | |
| 5. |
Which of the following membrane separation technique would be most suitable for partial desalination of whey in dairy industry? |
| A. | Reverse osmosis |
| B. | Nano filtration |
| C. | Ultra filtration |
| D. | Membrane filtration |
| Answer» C. Ultra filtration | |
| 6. |
Which of the following membrane separation technique would be most suitable for dehydration of whey in dairy industry? |
| A. | Reverse osmosis |
| B. | Nano filtration |
| C. | Ultra filtration |
| D. | Membrane filtration |
| Answer» B. Nano filtration | |
| 7. |
_________ is a modification of ultra filtration in which water is added to the feed as filtration proceeds in order to wash out feed components which will pass through the membranes, basically lactose and minerals. |
| A. | Permeate |
| B. | Retentate |
| C. | Concentration factor |
| D. | Diafiltration |
| Answer» E. | |
| 8. |
What is the volume reduction achieved by concentration, i.e. the ratio of the initial volume of feed to the final volume of concentrate called? |
| A. | Permeate |
| B. | Retentate |
| C. | Concentration factor |
| D. | Diafilteration |
| Answer» D. Diafilteration | |
| 9. |
The concentrate, the retained liquid is called ___________ |
| A. | Permeate |
| B. | Retentate |
| C. | Concentration factor |
| D. | Diafilteration |
| Answer» C. Concentration factor | |
| 10. |
The term for deposition of solids on the membrane, irreversible during processing is? |
| A. | Feed |
| B. | Flux |
| C. | Membrane fouling |
| D. | Permeate |
| Answer» D. Permeate | |
| 11. |
The solution to be concentrated or fractionated is called? |
| A. | Feed |
| B. | Flux |
| C. | Membrane fouling |
| D. | Permeate |
| Answer» B. Flux | |
| 12. |
Pore size RO membrane ranges from _____________ |
| A. | 0.1- 5µm |
| B. | 0.1- 0.01µm |
| C. | 0.001- 0.01µm |
| D. | 0.0001- 0.001µm |
| Answer» E. | |
| 13. |
Pore size Nano-filtration membrane ranges from __________ |
| A. | 0.1- 5µm |
| B. | 0.1- 0.01µm |
| C. | 0.001- 0.01µm |
| D. | 0.0001- 0.001µm |
| Answer» D. 0.0001- 0.001µm | |
| 14. |
Pore size Ultra-filtration membrane ranges from ________ |
| A. | 0.1- 5µm |
| B. | 0.1- 0.01µm |
| C. | 0.001- 0.01µm |
| D. | 0.0001- 0.001µm |
| Answer» C. 0.001- 0.01µm | |
| 15. |
Pore size Micro-filtration membrane ranges from _________ |
| A. | 0.1- 5µm |
| B. | 0.1- 0.01µm |
| C. | 0.001- 0.01µm |
| D. | 0.0001- 0.001µm |
| Answer» B. 0.1- 0.01µm | |