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Question

Which of the following is most commonly applied in automobile exhaust system?

Options

Choose one · Correct answer highlighted

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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