What is the purpose of a catalytic converter?
- To curb exhaust noise levels only on diesel-powered vehicles.
- To allow the exhaust system to be reconditioned.
- To curb exhaust noise levels only on petrol-powered vehicles.
- Correct answerTo reduce harmful exhaust emissions.
Explanation
Catalytic converters are part of a vehicles exhaust system. They help to protect the environment by removing up to 75% of the carbon monoxide, nitrogen oxide and hydrocarbons from the vehicles exhaust.
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催化转换器的目的是什么？
- 仅限制柴油动力车辆的排气噪音水平。
- 以便对排气系统进行修复。
- 仅针对汽油动力车辆降低排气噪音水平。
- 以减少有害废气排放。
催化转换器是车辆排气系统的一部分。它们通过去除多达75%的一氧化碳、氮氧化物和碳氢化合物来帮助保护环境。