Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking Neither A nor B Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural Propane & phenol-cresol mixture Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural Propane & phenol-cresol mixture ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Viscosity index of a lubricating oil Is the measure of its flash point None of these Is the measure of variation of viscosity with temperature Should be low Is the measure of its flash point None of these Is the measure of variation of viscosity with temperature Should be low ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cracking is Favoured at very low temperature An exothermic reaction None of these An endothermic reaction Favoured at very low temperature An exothermic reaction None of these An endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Lane and Garton classification of petroleum is based on its Composition Specific gravity Optical properties Viscosity Composition Specific gravity Optical properties Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Percentage of straight run gasoline in a typical crude oil may be around 6 52 18 38 6 52 18 38 ANSWER DOWNLOAD EXAMIANS APP
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