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← ScienceWhich thermodynamic consequence results when heat leaks into an adiabatic diesel engine cylinder?
A)Reduced exergy and cycle efficiency✓
B)Increased peak pressure during combustion
C)Decreased exhaust gas temperature
D)Maintained constant entropy production
💡 Explanation
Reduced exergy and efficiency result because heat leakage introduces irreversibility, increasing entropy according to the second law of thermodynamics; therefore, A is correct rather than B because the process deviates from adiabatic compression, precluding an increase in peak pressures or constant entropy.
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