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← ScienceWhich inefficiency results when the Otto cycle combustion timing deviates?
A)Reduced volumetric efficiency
B)Increased heat transfer losses
C)Incomplete fuel combustion✓
D)Elevated friction within cylinders
💡 Explanation
Incomplete fuel combustion occurs because precise combustion timing is critical to the Otto cycle within an engine; the fuel won't fully burn therefore leading to a lower energy output, rather than merely altering heat dissipation or mechanical friction.
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