Podcast
Questions and Answers
What is the primary function of a catalytic converter?
What is the primary function of a catalytic converter?
- To increase the emission of toxic gases from an internal combustion engine
- To trap toxic gases and pollutants in exhaust gas without any conversion
- To reduce the emission of carbon dioxide and water vapor
- To convert toxic gases and pollutants in exhaust gas into less-toxic pollutants (correct)
When were most gasoline-powered vehicles in the United States equipped with catalytic converters?
When were most gasoline-powered vehicles in the United States equipped with catalytic converters?
- Starting from the 1965 model year
- Starting from the 1981 model year
- Starting from the 1990 model year
- Starting from the 1975 model year (correct)
What is the purpose of 'three-way' converters in gasoline engines?
What is the purpose of 'three-way' converters in gasoline engines?
- To reduce oxides of nitrogen (NOx) (correct)
- To trap carbon dioxide (CO2)
- To increase the emission of unburned hydrocarbons (HC)
- To produce carbon monoxide (CO)
Which type of engines are 'two-way' converters still used on?
Which type of engines are 'two-way' converters still used on?
What led to the widespread introduction of catalytic converters in the United States automobile market?
What led to the widespread introduction of catalytic converters in the United States automobile market?
Flashcards
Catalytic Converter Function
Catalytic Converter Function
Converts toxic gases in exhaust to less-toxic pollutants.
Gasoline Vehicle Introductions
Gasoline Vehicle Introductions
Most gasoline vehicles in the U.S. had them starting 1975.
Three-Way Converters Purpose
Three-Way Converters Purpose
Reduce oxides of nitrogen (NOx) from gasoline engines.
Two-Way Converters Usage
Two-Way Converters Usage
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Regulation Influence
Regulation Influence
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