Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Flash point Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flash point Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes Fire point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Asphalt Mercaptans Diolefins Waxes Asphalt Mercaptans Diolefins Waxes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes is used for the production of petroleum coke? Reforming Cracking Visbreaking Stabilisation Reforming Cracking Visbreaking Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. Bauxite Fuller's earth All of these Activated clay Bauxite Fuller's earth All of these Activated clay ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline ANSWER DOWNLOAD EXAMIANS APP
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