MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The difference between the saturation temperature T3 of liquid refrigerant at pressure p3 = p2 and the actual temperature of liquid refrigerant T3 is called? |
| A. | Degree of freedom |
| B. | Degree of subcooling |
| C. | Degree of superheating |
| D. | Degree of condensation |
| Answer» C. Degree of superheating | |
| 2. |
The effect of liquid sub cooling is less pronounced in case of? |
| A. | Water |
| B. | CO<sub>2</sub> |
| C. | NH<sub>3</sub> |
| D. | Effect is same for all the liquids |
| Answer» D. Effect is same for all the liquids | |
| 3. |
What effect does the under cooling process have on piston displacement of the compressor? |
| A. | Increases |
| B. | Reduces |
| C. | No effect |
| D. | Can t say from the given data |
| Answer» C. No effect | |
| 4. |
The process of under cooling can only be brought about by circulating more quantity of cooling water through the condenser or by using water colder than the main circulating water. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The process of under cooling the refrigerant below the saturation temperature happens after? |
| A. | Compression |
| B. | Before condensation |
| C. | Evaporation |
| D. | Before throttling |
| Answer» E. | |
| 6. |
The ultimate effect of undercooling is to increase the value of COP under same set of conditions. |
| A. | True |
| B. | False |
| Answer» B. False | |