MCQOPTIONS
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| 1. |
_One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to$? |
| A. | 800 K |
| B. | 1000 K |
| C. | 1200 K |
| D. | 1400 K |
| Answer» B. 1000 K | |