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| Q. |
If solar energy Qr is available at a reservoir storage temperature of Tr and if quantity of heat Qa is transferred by the solar collector at temperature Ta, then which of the following is true? |
| A. | first law efficiency = qa/qr |
| B. | second law efficiency = exergy output / exergy input |
| C. | second law efficiency = (first law efficiency)*(1-to/ta)/(1-to/tr) |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
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