Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature Low viscosity index High pour point and low smoke point All of these High self-ingnition temperature Low viscosity index High pour point and low smoke point All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Cooling Both B & C Heating Solvent extraction Cooling Both B & C Heating Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Discoloration Thermal cracking Coking Gum formation Discoloration Thermal cracking Coking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Lane and Garton classification of petroleum is based on its Specific gravity Composition Viscosity Optical properties Specific gravity Composition Viscosity Optical properties ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the maximum °API gravity of all? Diesel Furnace oil Petrol Kerosene Diesel Furnace oil Petrol Kerosene ANSWER DOWNLOAD EXAMIANS APP
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