Multiple choice general knowledge

A mechanical part weld in a silencer to Reduce noise pollution & to give good fuel Efficiency.

  1. GLASSWOOL

  2. PROTON

  3. MUFFLER

  4. HRC
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A muffler is a mechanical part in a vehicle's exhaust system that reduces noise pollution and helps improve fuel efficiency by managing exhaust gas flow. It uses chambers and tubes to cancel out sound waves. Glasswool is used as insulation material, not a mechanical part.

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