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 Gum formation Thermal cracking Coking Discoloration Gum formation Thermal cracking Coking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following factors does not govern the mechanism of petroleum formation from organic sources? Bacterial action Pressure Heat PH of the soil Bacterial action Pressure Heat PH of the soil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The characterisation factor of crude petroleum oil is around 22 28 11 3 22 28 11 3 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In petroleum refining, the process used for conversion of hydrocarbons to aromatics is Catalytic cracking Catalytic reforming Alkylation Hydrotreating Catalytic cracking Catalytic reforming Alkylation Hydrotreating ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 50atm. & 750°C 10atm & 500°C 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C 30atm & 200°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Higher H/C ratio Increase in thermal energy per unit weight Decrease in paraffin content Increase in aromatic content Higher H/C ratio Increase in thermal energy per unit weight Decrease in paraffin content Increase in aromatic content ANSWER DOWNLOAD EXAMIANS APP
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