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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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