engineering recuitment UPPSC AE Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
A heat source at 1000 K supplies 7200 kJ/min of heat to the system at 500 K. The atmospheric temperature is 300 K. Assume that the temperature remains constant during the heat transfer. The net change of entropy during the process is _______.
1
14.4 kJ/min-K
2
-7.2 kJ/min-K
3
7.2 kJ/min-K
4
-14.4 kJ/min-K