MCQOPTIONS
Saved Bookmarks
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 pumps and fans used for conveying gases? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What are the factors to be considered for designing a centrifugal pump? |
| A. | Capacity, Rotational speed only |
| B. | Rotational speed only |
| C. | Pump, Rotational speed only |
| D. | Capacity, rotational speed and pump |
| Answer» E. | |
| 3. |
The efficiency of the pump is ratio of ____________ |
| A. | energy to velocity and pressure |
| B. | energy to velocity |
| C. | energy to pressure |
| D. | velocity and pressure to energy |
| Answer» B. energy to velocity | |
| 4. |
What is significance of fan law? |
| A. | It deals with pressure and velocity of the fan |
| B. | It deals with pressure and power consumption of the fan |
| C. | It deals with performance of the fan and power consumption of the fan |
| D. | It deals with performance of the fan velocity of the fan |
| Answer» D. It deals with performance of the fan velocity of the fan | |
| 5. |
Which of the following statements about airlift pumps are correct?Statement 1: In airlift pumps, the air is introduced above a liquid in pressure level and that pressure is used to discharge the liquid.Statement 2: Airlift pumps are used to convey powders in fluidized form. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 6. |
The _________pump converts rotational energy of the fluid to velocity and pressure. |
| A. | centrifugal |
| B. | jet |
| C. | airlift |
| D. | propeller pumps |
| Answer» B. jet | |
| 7. |
Are these statements about the propeller pumps true?Statement 1: Propellers are used to impart energy to the fluids.Statement 2: They have low efficiency. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» B. True, True | |
| 8. |
Which of the following pumps can be used as vacuum pumps? |
| A. | Positive displacement |
| B. | Jet |
| C. | Airlift |
| D. | Propeller pumps |
| Answer» C. Airlift | |
| 9. |
In _________pumps, the energy of the fluid is converted into velocity energy. |
| A. | positive displacement |
| B. | jet |
| C. | airlift |
| D. | propeller pumps |
| Answer» C. airlift | |
| 10. |
In a __________ pump, the fluid is drawn into pump and is then forced through outlet. |
| A. | positive displacement |
| B. | jet |
| C. | airlift |
| D. | propeller pumps |
| Answer» B. jet | |