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. |
Are these statements about the Discontinuous pressure filters true?Statement 1: Application of large pressure difference. |
| A. | nStatement 2: Economical and rapid filtration. |
| B. | True, False |
| C. | True, True |
| D. | False, True |
| E. | False, False |
| Answer» C. True, True | |
| 2. |
What is the main driving force for the filtrate flow? |
| A. | Difference between the atmospheric pressure and the pressure in the equipment |
| B. | Atmospheric pressure only |
| C. | Partial pressure only |
| D. | Difference between the atmospheric pressure and the partial pressure |
| Answer» B. Atmospheric pressure only | |
| 3. |
What law is applicable when liquid velocity through the pores is low and pore size is small? |
| A. | Poiseuille s law |
| B. | Newton s law |
| C. | Gauss s law |
| D. | Dalton s law |
| Answer» B. Newton s law | |
| 4. |
What is capillary pressure curve? |
| A. | A plot of saturation of the cake versus pressure difference |
| B. | A plot of saturation of the cake versus temperature difference |
| C. | A plot of concentration of the filtrate versus temperature difference |
| D. | A plot of concentration of the filtrate versus pressure difference |
| Answer» B. A plot of saturation of the cake versus temperature difference | |
| 5. |
Is filter press used to decrease pump pressure? |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
When does the pressure difference increase in filtration? |
| A. | If the constant rate is maintained |
| B. | If the cake thickness decreases |
| C. | If the cake thickness increases |
| D. | There is no pressure difference throughout the process |
| Answer» B. If the cake thickness decreases | |
| 7. |
How does pressure drop at initial stage of filtration? |
| A. | Pressure drop is small |
| B. | Pressure drop is large |
| C. | Does not depend on pressure drop |
| D. | At equilibrium throughout the process |
| Answer» B. Pressure drop is large | |
| 8. |
Are these statements about the pressure drop in filtration true?Statement 1: Due to the increase in the solids deposit in the pores. |
| A. | nStatement 2: For constant solids concentration at the inlet increase in this pressure drop with time is constant. |
| B. | True, False |
| C. | True, True |
| D. | False, True |
| E. | False, False |
| Answer» C. True, True | |
| 9. |
What happens when the net driving force is negative? |
| A. | Net fluid filtration takes place |
| B. | Net fluid reabsorption takes place |
| C. | Net fluid filtration stops |
| D. | Net fluid filtration stops |
| Answer» B. Net fluid reabsorption takes place | |
| 10. |
What happens when the net driving force is positive? |
| A. | Net fluid filtration takes place |
| B. | Net fluid reabsorption takes place |
| C. | Net fluid filtration stops |
| D. | Net fluid filtration stops |
| Answer» B. Net fluid reabsorption takes place | |