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← ScienceDuring rapid cyclical combustion in an engine, which consequence results from inhomogeneous fuel-air mixing?
A)Increased unburned hydrocarbon emissions✓
B)Improved overall engine efficiency
C)Reduced peak combustion temperatures
D)Decreased nitrogen oxides formation
💡 Explanation
Unmixed fuel regions lead to incomplete oxidation; hence, unburned fuel bypasses the ideal combustion zone because laminar flame propagation is insufficient; therefore, increased hydrocarbon emissions result, rather than efficient burning or temperature moderation.
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