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| Q. |
How is water heated in a direct solar water heating system? |
| A. | by circulating potable water through the collector |
| B. | by directly exposing water to sunlight |
| C. | by using convection from a different transfer fluid |
| D. | by using heat exchanger |
| Answer» A. by circulating potable water through the collector | |
| Explanation: in a direct solar water heating system, the potable water is the transfer fluid. hence, it is heated by circulating through the collector. indirect solar water heating systems use a heat exchanger. | |
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