Within a vehicle's exhaust system, what is the main function of the catalytic converter?

Question

DentroTest · Accepted Answer

The correct answer is to reduce pollutant gases. The catalytic converter contains precious metals (such as platinum or rhodium) that facilitate a chemical reaction at high temperatures to transform highly toxic gases produced by combustion (such as carbon monoxide and nitrogen oxides) into less harmful gases before they are expelled into the atmosphere. Breakdown of the other options: Channel gases to the muffler: Although gases pass through it towards the muffler, that is a function of the exhaust pipe itself. The muffler (silencer) is responsible for reducing noise (noise pollution), not toxicity. Unify the output of the cylinders: This is the function of the exhaust manifold, which collects fumes from the various cylinders to direct them into a single pipe.

Within a vehicle's exhaust system, what is the main function of the catalytic converter?

Want to pass the Permit B (English) theory test first time?

📚 Keep practicing with more questions from Car Maintenance

Effects of Worn Shock Absorbers on Vehicle Control

Should the lighting system be checked?

What is the Clutch Friction Point?

Function of the Lubrication System in the Engine

How to Prevent Mechanical Failures and Accidents

Driving with a Defective Muffler or Open Exhaust

Can you drive with a broken muffler?

When to Pass the Next ITV After a Car's First Inspection?

Steering System Fault Symptoms

What is the Lambda Sensor and Where is it Located?