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| Q. |
What is freeze protection in a solar water heating system? |
| A. | ensures that the system is frozen |
| B. | prevents the operation of drainback system |
| C. | prevents damage to system due to freezing of transfer fluid |
| D. | ensures that the transfer fluid is frozen |
| Answer» C. prevents damage to system due to freezing of transfer fluid | |
| Explanation: freeze protection in a solar water system prevents the system being damaged due to freezing of transfer fluid. it does not prevent the operation of drainback system. | |
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