Catalytic Converter

What is the primary reason for the failure of a catalytic converter?

• Normal wear and tear over time

• Overheating due to excess unburned fuel

• Physical damage from road debris

• Clogging from particulate matter

In which type of vehicle would you most likely find a Selective Catalytic Reduction system?

• Electric vehicles

• Gasoline-powered vehicles

• Diesel-powered vehicles

• Hybrid vehicles

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

What does a catalytic converter do, and since what year have they been required in US automobiles?

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Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

What is the primary function of a catalytic converter in a vehicle?

• To increase engine power

• To reduce exhaust emissions

• To improve fuel efficiency

• To enhance vehicle speed

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

Which of the following metals is commonly used as a catalyst in catalytic converters?

• Iron

• Copper

• Platinum

• Aluminum

What harmful gas is converted into nitrogen and oxygen by a catalytic converter?

• Carbon dioxide

• Sulfur dioxide

• Nitrogen dioxide

• Nitric oxide

In which year did the United States mandate the use of catalytic converters in automobiles?

• 1975

• 1980

• 1985

• 1990

Tags

NGSS.HS-ESS3-4

What is the main reason for the overheating of a catalytic converter?

• Excessive engine speed

• Excess unburned fuel

• Low engine temperature

• High altitude driving

Tags

NGSS.HS-PS3-4

Which component in a catalytic converter helps in the oxidation of carbon monoxide to carbon dioxide?

• Ceramic substrate

• Rhodium

• Palladium

• Platinum

What is the typical lifespan of a catalytic converter in a vehicle?

• 20,000 miles

• 50,000 miles

• 100,000 miles

• 150,000 miles

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3