Petroleum Refinery Engineering Phenols are added in gasoline to Reduce its viscosity Increase its pour point Act as an antioxidant Improve the octane number Reduce its viscosity Increase its pour point Act as an antioxidant Improve the octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 100 200-300 1000-10000 10 100 200-300 1000-10000 10 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Straight run gasoline Polymer gasoline Catalytically cracked gasoline Catalytically reformed gasoline Straight run gasoline Polymer gasoline Catalytically cracked gasoline Catalytically reformed gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Increase in thermal energy per unit weight Increase in aromatic content Higher H/C ratio Decrease in paraffin content Increase in thermal energy per unit weight Increase in aromatic content Higher H/C ratio Decrease in paraffin content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon/hydrogen ratio (by weight) is maximum (out of following) for Heavy fuel oil Light gas oil Kerosene Gasoline Heavy fuel oil Light gas oil Kerosene Gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Uses natural gas as feed Produces fuel oil of lower viscosity Produces gasoline only Is carried out at atmospheric pressure Uses natural gas as feed Produces fuel oil of lower viscosity Produces gasoline only Is carried out at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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