Practice question
Question
Which of the following is most commonly applied in automobile exhaust system?
Explanation
Catalytic converters contain platinum, palladium, rhodium catalysts converting CO, hydrocarbons, NOx into CO2, nitrogen, water vapor, substantially reducing vehicular emissions. Wet/dry scrubbers and electrostatic precipitators serve industrial stack gas cleaning, not mobile exhaust systems, hence unsuitable for automobiles.
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