Chemistry · Knocking and Octane Number

What is the phenomenon called, where premature combustion of fuel-air mixture in an engine cylinder causes a metallic sound?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Pre-ignition Efficiency
2Detonation Spark
3Octane Rating
4Knocking✓

Correct answer

Knocking

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What is the phenomenon called, where premature combustion of fuel-air mixture in an engine cylinder causes a metallic sound?

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What is the phenomenon called, where premature combustion of fuel-air mixture in an engine cylinder causes a metallic sound?

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