Question 1721 · Truck theory test
What is the effect of a worn exhaust?
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Correct answer
The filtering of fumes is reduced and engine noise is louder.
Official explanation
A worn exhaust system can have a number of effects, including increased noise from the engine and more environmentally damaging fumes, as they are not filtered properly. There are requirements to ensure vehicles are compliant with EU and Irish legislation. Vehicles are tested for compliance during roadworthiness testing.
- Topic
- Safe & responsible driving · Environmental Matters and Eco-Friendly Driving
- Also in
- This question also appears in the bus theory test.
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