Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 2atm & 500°C 50atm. & 750°C 30atm & 200°C 10atm & 500°C 2atm & 500°C 50atm. & 750°C 30atm & 200°C 10atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature High pour point and low smoke point Low viscosity index All of these High self-ingnition temperature High pour point and low smoke point Low viscosity index All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in catalytic polymerisation which produces polymer gasoline is AlCl3 H₃PO₄ Both A & B H₂SO₄ AlCl3 H₃PO₄ Both A & B H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Lower octane number Higher ignition temperature Lower calorific value Higher specific gravity Lower octane number Higher ignition temperature Lower calorific value Higher specific gravity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Waxes Asphalt Mercaptans Diolefins Waxes Asphalt Mercaptans Diolefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment of petroleum products Decolorises & stabilises cracked gasoline Desulphurise straight run gasoline & kerosene All of these Adsorb arsenic from feedstock to catalytic reforming Decolorises & stabilises cracked gasoline Desulphurise straight run gasoline & kerosene All of these Adsorb arsenic from feedstock to catalytic reforming ANSWER DOWNLOAD EXAMIANS APP
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