What Are Catalytic Converters

The video tutorial discusses the negative health effects of pollutants from car emissions, such as nitrogen dioxide and carbon monoxide. It explains how catalytic converters use reduction and oxidation catalysts to transform these pollutants into harmless gases. The reduction catalyst breaks nitrogen oxides into nitrogen and oxygen, while the oxidation catalyst burns unburned hydrocarbons and carbon monoxide. An oxygen sensor monitors the exhaust, adjusting the air-fuel ratio to optimize the catalytic process.

Explain the process that occurs when nitrogen oxides contact the reduction catalyst.

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How does the oxygen sensor in a catalytic converter contribute to the system's efficiency?

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