23. The Second Law of Thermodynamics
Heat Engines and the Second Law of Thermodynamics
Multiple Choice
Multiple ChoiceAn aircraft engine takes in 9 kJ of heat and expels 6.4 kJ of heat each cycle. How much mechanical work does the engine do each cycle?
A
15.4 kJ
B
2.6 kJ
C
2.6 J
D
6.4 kJ
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