Question 417 · Car theory test
What effect does a worn exhaust have on a vehicle?
Pick an answer to test yourself.
Correct answer
It causes noise and gas pollution levels to increase.
Official explanation
A vehicle with a worn exhaust will probably be noisier and will produce more polluting emissions. There are strict regulations governing the noise and emission levels of vehicles, and these are rigorously checked during a vehicle's NCT.
- Topic
- Vehicle maintenance
- Also in
- This question also appears in the motorcycle theory test.
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