Difference between revisions of "Octane number (of petrol)"
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Latest revision as of 01:23, 25 February 2009
6-2-225
A number indicating the capacity of petrol to avoid knocking. Petrol intended for use in an engine of high compression ratio must have a high octane number.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
