Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Clay Acid Alkali Solvent extraction Clay Acid Alkali Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in Edeleanu process is Phenol Furfural Propane Liquid SO₂ Phenol Furfural Propane Liquid SO₂ ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Reduce its viscosity Act as an antioxidant Increase its pour point Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point Improve the octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has All of these High pour point and low smoke point High self-ingnition temperature Low viscosity index All of these High pour point and low smoke point High self-ingnition temperature Low viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Engler theory All of these Modern theory Carbide theory Engler theory All of these Modern theory Carbide theory ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed Uses naphtha as feedstock All of these Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed Uses naphtha as feedstock All of these ANSWER DOWNLOAD EXAMIANS APP
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