In alkylation processes olefins react with Petroleum Refining Engineering Mcqs January 31, 2020 BILAL KHATTAK0 A.normal paraffins B.isoparaffins C.naphthenes D.aromaticsRelated posts:Select the correct order of increasing effect of TEL on octane number Which of the following hydrocarbon series are almost absent in crude petroleum? For spark ignition engines fuel in order of decreasing knock tendency are H/C ration (by weight) for the same number of carbon atoms is the highest in the