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← ScienceWhich performance consequence results when friction increases in a heat engine?
A)Reduced energy conversion efficiency output✓
B)Increased maximum exhaust temperature
C)Elevated compression ratio values reached
D)Decreased thermal expansion coefficient
💡 Explanation
An increase in friction promotes greater dissipation reducing the useful energy from output because more input energy becomes heat. Therefore, the energy conversion is reduced, rather than increasing exhaust temperature directly influencing the efficiency.
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