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 is used to remove yeast? |
| A. | Nano filtration |
| B. | Micro filtration |
| C. | Electro dialysis |
| D. | Reverse Osmosis |
| Answer» C. Electro dialysis | |
| 2. |
What are cleaning techniques for the removal of membrane fouling? |
| A. | Air flushing and chemical flushing |
| B. | Alcohol flushing and chemical flushing |
| C. | Air flushing and alcohol flushing |
| D. | Air flushing |
| Answer» B. Alcohol flushing and chemical flushing | |
| 3. |
What is membrane processing? |
| A. | Process that concentrates and separates without the use of heat |
| B. | Process that removes dust without the use of heat |
| C. | Process that remove water without the use of heat |
| D. | Process that remove alcohol without the use of heat |
| Answer» C. Process that remove water without the use of heat | |
| 4. |
What is flux rate for filters? |
| A. | Ratio of flow to the membrane area |
| B. | Ratio of concentration to the membrane area |
| C. | Ratio of membrane area to the flow of the solution |
| D. | Ratio of viscosity to the membrane area |
| Answer» B. Ratio of concentration to the membrane area | |
| 5. |
What is other name for polymeric membrane? |
| A. | Organic membrane |
| B. | Inorganic membrane |
| C. | Cation and anion membrane |
| D. | Neutral charge membrane |
| Answer» B. Inorganic membrane | |
| 6. |
Which of the following statements about electro dialysis are correct?Statement 1: Cation and anion exchange membrane is used.Statement 2: The membrane is made of polymers & co-polymers. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 7. |
Which of the following uses aromatic polyamide as membrane? |
| A. | Gas separation |
| B. | Pervaporation |
| C. | Electro dialysis |
| D. | Reverse Osmosis |
| Answer» E. | |
| 8. |
Which method is used separation of azeotrope mixtures? |
| A. | Nano filtration |
| B. | Pervaporation |
| C. | Electro dialysis |
| D. | Reverse Osmosis |
| Answer» C. Electro dialysis | |
| 9. |
Which method is used for removing hardness? |
| A. | Nanofiltration |
| B. | Pervaporation |
| C. | Electrodialysis |
| D. | Reverse Osmosis |
| Answer» B. Pervaporation | |
| 10. |
What is pervaporation? |
| A. | Process to separate a volatile liquid from a non-volatile liquid |
| B. | Process to mix a volatile liquid from a non-volatile liquid |
| C. | Process to a evaporate a non-volatile liquid |
| D. | Process to separate water molecules from a non-volatile liquid |
| Answer» B. Process to mix a volatile liquid from a non-volatile liquid | |