MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a vapor compression refrigeration system, the coefficient of performance is observed as 10. If the enthalpy after compression is 1368.28 kJ/kg and after condensation is 598.58 kJ/kg. If the system works on 50% of the C.O.P., then what is the value of enthalpy after evaporation? |
| A. | 1220 |
| B. | 1210 |
| C. | 1240 |
| D. | 1280 |
| Answer» D. 1280 | |
| 2. |
If a process 1 2 undergoes a throttling. Which of the following represents the process 1 2? |
| A. | T1 = T2 |
| B. | S1 = S2 |
| C. | P1 = P2 |
| D. | H1 = H2 |
| Answer» E. | |
| 3. |
Refrigerating effect corresponds to which of the following processes? |
| A. | Condensing process |
| B. | Vaporizing process |
| C. | Compression process |
| D. | Expansion process |
| Answer» C. Compression process | |