Petroleum Refinery Engineering In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 10 200-300 100 1000-10000 10 200-300 100 1000-10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Percentage of straight run gasoline in a typical crude oil may be around 38 52 6 18 38 52 6 18 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The order of preference for feedstock to a catalytic reformer is Catalytic naphtha - coking naphtha - virgin naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - coking naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha Catalytic naphtha - coking naphtha - virgin naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - coking naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Narrow down its explosion limit Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder Narrow down its explosion limit Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Alkylation Causes olefins to combine with iso-paraffins Converts iso-paraffin into olefin Converts olefin into paraffin Causes olefins to combine with each other Causes olefins to combine with iso-paraffins Converts iso-paraffin into olefin Converts olefin into paraffin Causes olefins to combine with each other ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming Uses naphtha as feedstock All of these Does not much affect the molecular weight of the feed Improves the quality & yield of gasoline Uses naphtha as feedstock All of these Does not much affect the molecular weight of the feed Improves the quality & yield of gasoline ANSWER DOWNLOAD EXAMIANS APP
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