Question

A catalytic converter helps in the control of ___.

• A. 280 ppm to 360 ppm
• B. 250 ppm to 300 ppm
• C. 300 ppm to 340 ppm
• D. 330 ppm to 350 ppm

Answer 1

The correct option is C

300 ppm to 340 ppm

In order to reduce air pollution, modern automobiles are equipped with a device called catalytic converter that reduces the emission of three harmful compounds found in car exhaust - carbon monoxide (a poisonous gas), nitrogen oxides (a cause of smog and acid rain) and hydrocarbons (a cause of smog).