Chemistry · Industrial Chemistry and Fuels
Select the INCORRECT statement regarding internal combustion engine fuels from the following:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Knocking tendency in a spark-ignition engine reduces with increasing engine speed.
- 2In spark-ignition engines, knocking can be reduced by retarding the spark advance.
- 3The ignition quality of a petrol engine fuel is expressed as Cetane number.✓
- 4Iso-octane fuel has an octane rating assigned as 100.
Correct answer
The ignition quality of a petrol engine fuel is expressed as Cetane number.
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