FREE Exhaust System Question and Answers

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Between the ____ and the ____ is where the exhaust manifold is situated.

Correct! Wrong!

Explanation:
A system called an exhaust manifold is used to vent exhaust gases outside of an engine. The exhaust manifold pipe is attached to the engine block, and diverging pipes allow the exhaust from each cylinder to be collected and fed into the exhaust manifold.

Although the entire exhaust system serves many purposes, a muffler's main job is to minimize __________.

Correct! Wrong!

Explanation:
A muffler is a cylinder-shaped exhaust part attached to the exhaust system for the purpose of canceling and muffling noise. It doesn't have a moving part and doesn't run on electricity. Mufflers with a set of tubes are designed by automakers to minimize reverberation.

A "running rich" engine could result in:

Correct! Wrong!

Explanation:
Your engine will emit poor-quality air if it is running rich. Black smoke will be produced by a rich air-fuel mixture and will then exit your exhaust pipe.

Your tailpipe's smoke can be used as a diagnostic tool. The presence of blue smoke in the exhaust means the engine is burning:

Correct! Wrong!

Explanation:
Your car's tailpipe emitting blue smoke indicates that your engine is burning oil, which is typically a very bad sign. In most circumstances, it's time for a new car if your car is burning oil so much that you can see blue smoke.

Although they are essential to the exhaust's operation, oxygen sensors are not indestructible. A damaged oxygen sensor could:

Correct! Wrong!

Explanation:
Oxygen sensor failure can sometimes harm other parts, such the catalytic converter, in addition to causing poor performance and higher fuel consumption (although those effects are bad enough!). Both oxygen sensors and catalytic converters can become clogged if a lower octane fuel is used than that advised by the vehicle's manufacturer.

Toxic gas emissions from the exhaust system are decreased by the catalytic converter using ___________.

Correct! Wrong!

Explanation:
Catalytic converters change exhaust gas contaminants into less dangerous chemicals. By initiating a redox process, it achieves this. With the use of a catalytic converter, hazardous emissions from a car's exhaust are reduced. Additionally, the catalyst—a material that quickens chemical reactions—converts dangerous gases into steam.

More than only combustion waste can be found in exhaust fumes. Exhaust gasses may be taken and used by some engines to enhance performance.

Correct! Wrong!

Explanation:
By pumping more air into the combustion chamber, a turbocharger (also known as a turbo) improves an internal combustion engine's efficiency and power production.

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