Catalytic converter - Marvel Education

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Practice Listening: Multiple Choice, Multiple Answers ID: #35823 Short Catalytic converter

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Transcript:

Let’s talk for a moment about the job of the catalytic converter. In a nut shell, their job is to convert harmful pollutants into less harmful pollutants—emissions—before they ever leave the car's exhaust system. They are still most commonly used in motor vehicle exhaust systems. But you’ll also find them on generator sets, forklifts, mining equipment, trucks, buses, trains, and other engine-equipped machines. A catalytic converter provides an environment for a chemical reaction where toxic combustion by-products are converted to less-toxic substances. Catcons are now fitted to both petrol and diesel engines, and I must say they do a good job, as long as they are clean and not clogged up with carbon and other deposits from the engine.

Which of the following statements concerning the operation of catalytic converters are correct?

* Click on the correct answers

The inclusion of catcons on diesel engines is prohibited by law. Carbon and other engine deposits impede their efficient operation. Inappropriate use in mining equipment, trucks and buses renders them ineffective. They convert toxic substances to less harmful substances which are emitted from engines. The use of converters intended for use on petrol engines on diesel engines is a common problem.

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Transcript:

Which of the following statements concerning the operation of catalytic converters are correct?

Result:

A.I. Explanation:

Option 1: "The inclusion of catcons on diesel engines is prohibited by law."

Option 2: "Carbon and other engine deposits impede their efficient operation."

Option 3: "Inappropriate use in mining equipment, trucks and buses renders them ineffective."

Option 4: "They convert toxic substances to less harmful substances which are emitted from engines."

Option 5: "The use of converters intended for use on petrol engines on diesel engines is a common problem."