Refinery

30: -use the following data Determine the Watson characterization factor CH) ratio and the molecular weight of a petroleum fraction having a specific izkravity of 0.75 und the following ASTM D86 distillation properties TR 609 Vol.% 10 690 30 742 SO 185 70 s 831 90 90 b-Calculate the diesel index (DL) of a petroleum fraction having an API of 39 and mean average boiling point of 1030 R e nxido 121