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 are in the order of descending order? |
| A. | Nano filtration, ultrafiltration, Reverse osmosis and microfiltration |
| B. | Reverse osmosis, nano filtration, ultrafiltration and microfiltration |
| C. | Microfiltration, ultrafiltration, nano filtration and reverse osmosis |
| D. | Ultrafiltration, microfiltration, nano filtration and reverse osmosis |
| Answer» D. Ultrafiltration, microfiltration, nano filtration and reverse osmosis | |
| 2. |
Is micro filtration is used to remove biological entities in the 0.25 μm to 5.0μm range? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What are the driving forces in membrane separation? |
| A. | Osmotic pressure |
| B. | Electrical field |
| C. | Partial pressure |
| D. | Osmotic pressure, electrical field and partial pressure |
| Answer» E. | |
| 4. |
What are classification of membranes from a structural point of view ? |
| A. | Asymmetrical and pore size |
| B. | Symmetrical and pore size |
| C. | Symmetrical and asymmetrical |
| D. | Symmetrical and concentration of solute |
| Answer» D. Symmetrical and concentration of solute | |
| 5. |
Are these statements about the membrane separation process true?Statement 1: It replaces the conventional processes like filtration, distillation, ion-exchange and chemical treatment systems.Statement 2: Greater flexibility in designing systems. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 6. |
What is permeate? |
| A. | Fluid that has retained in semi-permeable membrane |
| B. | Fluid that has passed through semi-permeable membrane |
| C. | Fluid that has to be passing through semi-permeable membrane |
| D. | The residue after filtration |
| Answer» C. Fluid that has to be passing through semi-permeable membrane | |
| 7. |
What is filter membrane made up of? |
| A. | Thin layer of collodion, cellulose acetate |
| B. | Thick layer of collodion, cellulose acetate |
| C. | Thin layer of collodion |
| D. | Thin layer of cellulose acetate |
| Answer» B. Thick layer of collodion, cellulose acetate | |
| 8. |
What are the applications of membrane separation? |
| A. | Nano filtration |
| B. | Microfiltration |
| C. | Ultrafiltration |
| D. | Microfiltration, ultrafiltration, nano-filtration |
| Answer» E. | |
| 9. |
What is pore size of RO membranes? |
| A. | 0.0005 microns |
| B. | 0.005 microns |
| C. | 0.05 microns |
| D. | 0.5 microns |
| Answer» B. 0.005 microns | |
| 10. |
What are the classifications of membrane separation? |
| A. | Pore size |
| B. | Separation driving force |
| C. | Separation driving pressure |
| D. | Separation driving force and pore size |
| Answer» E. | |