MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the power required (P) for maintaining the cabin temperature, when the COP of the regenerative cooling system is given to be 0.25 and the refrigeration load (Q) is 25. |
| A. | 305 |
| B. | 350 |
| C. | 530 |
| D. | 503 |
| Answer» C. 530 | |
| 2. |
Simple air cooling system gives maximum cooling effect on ground surface whereas regeneration cooling system has more effect during high speeds. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is not a process in the T-s diagram of the regeneration cooling system? |
| A. | Isentropic ramming |
| B. | Isentropic compression |
| C. | Cooling of air by ram air in the heat exchanger and then cooling of air in regenerative heat exchanger |
| D. | Isothermal expansion |
| Answer» E. | |
| 4. |
Cooling system used for supersonic aircrafts and rockets is? |
| A. | Simple air cooling system |
| B. | Simple evaporative cooling system |
| C. | Boot-strap cooling system |
| D. | Regeneration cooling system |
| Answer» D. Regeneration cooling system | |
| 5. |
Regeneration cooling system is a modification of _________ |
| A. | simple air cooling system |
| B. | simple evaporative cooling system |
| C. | boot-strap cooling system |
| D. | boot-strap evaporative cooling system |
| Answer» B. simple evaporative cooling system | |