Question 1532
To prevent noise pollution, motorcyclists should…
- Ride with an unmuffled exhaust.
- Maintain only the muffler; the exhaust pipe does not affect noise.
- Keep the exhaust pipe and muffler in good condition.
Show answer and explanation
Correct answer: Keep the exhaust pipe and muffler in good condition.
The muffler reduces the noise from exhaust gases. Keeping both the exhaust pipe and muffler in good condition helps prevent excessive noise.