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				| 1. | A thermodynamic cycle is composed of four processes. The heat added, and the work donein each process are as follows:ProcessHeat transfer (J)Work done (J)1-2050 (by the gas)2-350(from the gas)03-4020 (on the gas)4-180 (to the gas)0 The thermal efficiency of the cycle is | 
| A. | 20.3% | 
| B. | 37.5% | 
| C. | 40.3% | 
| D. | 62.5% | 
| Answer» C. 40.3% | |