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i) Detonation--- this is the spontaneous combustion of part of the compressed charge after the spark.
ii) Pre-ignition – this is the irregular knock that occurs when the air –fuel mixture is ignited by other means other than the spark of the spark plug. Usually caused by the hot spots of carbon that form in the combustion chamber, an overheated exhaust valve or a spark plug.
iii) atomization is the mixing of the air and fuel into proper proportions to give a combustible charge for proper engine performance
marto answered the question on September 18, 2019 at 08:56
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