Automobile Engineering · Engine Knocking

Which of the following factors primarily helps in reducing engine knocking in a spark-ignition (petrol) engine?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Using high-octane fuel✓
2Increasing the compression ratio
3Increasing the combustion chamber temperature
4Reducing the air-fuel ratio

Correct answer

Using high-octane fuel

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Which of the following factors primarily helps in reducing engine knocking in a spark-ignition (petrol) engine?

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Which of the following factors primarily helps in reducing engine knocking in a spark-ignition (petrol) engine?

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