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| Q. |
How is the heat transferred from transfer fluid to potable water in indirect solar water heating systems? |
| A. | by directly exposing the substance to sunlight |
| B. | by using an electrical heater |
| C. | by circulating potable water through the collector |
| D. | by using heat exchanger |
| Answer» D. by using heat exchanger | |
| Explanation: an indirect solar water heating system uses a heat exchanger to transfer heat from the transfer fluid to the potable water. it does not expose the transfer fluid directly to the sunlight and does not use an electrical heater. | |
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