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. |
A simple evaporative air refrigeration system is used for an airplane to take 20 TR of refrigeration load (Q). The power required for the refrigerating system P is 746 KW. What is its COP? |
| A. | 0.086 |
| B. | 0.094 |
| C. | 0.079 |
| D. | 0.099 |
| Answer» C. 0.079 | |
| 2. |
If cooling of 45 minutes or less is required, it may be advantageous to use evaporative cooling system. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the main difference between simple air cooling system and simple air evaporative cooling system? |
| A. | Simple air evaporative cooling system has an evaporator |
| B. | Simple air evaporative cooling system has two evaporators |
| C. | Simple air evaporative cooling system has an extra compressor |
| D. | Simple air evaporative cooling system has three evaporators |
| Answer» B. Simple air evaporative cooling system has two evaporators | |
| 4. |
The simple air cooling system is good for _____ flight speed. |
| A. | low |
| B. | high |
| C. | moderate |
| D. | any |
| Answer» B. high | |
| 5. |
Which one of the following is not a component of a simple air cooling system? |
| A. | Main compressor |
| B. | Cooling fan |
| C. | Heat exchanger |
| D. | Generator |
| Answer» E. | |