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← ScienceWhich consequence results when catalytic converter overheating occurs during the hydrocarbon oxidation process in a vehicle?
A)Increased carbon monoxide emissions
B)Reduced catalyst surface area✓
C)Elevated NOₓ production efficiency
D)Enhanced precious metal dispersion
💡 Explanation
Overheating damages the catalytic converter because thermal sintering causes a decline in catalyst surface area, therefore reducing its capacity. Catalyst poisoning is less likely to result than physical degradation, rather than increased efficiency at high temps.
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