Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most widely used solvent for dewaxing is Naphtha Methyl-ethyl-ketone (MEK) Sodium plumbite Petroleum ether Naphtha Methyl-ethyl-ketone (MEK) Sodium plumbite Petroleum ether ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Decrease their viscosity Can be separated out by distillation Are not soluble in them Crystallise out at low temperature Decrease their viscosity Can be separated out by distillation Are not soluble in them Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sour crude means the __________ bearing crude. Asphalt Wax Sulphur compounds Nitrogen compounds Asphalt Wax Sulphur compounds Nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. Straight run Unleaded Casing head Polymer Straight run Unleaded Casing head Polymer ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon percentage (by weight) in crude petroleum may be about 85 75 95 65 85 75 95 65 ANSWER DOWNLOAD EXAMIANS APP
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