Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 5-10 kgf/cm² & 150 - 250°C 1-5 Kgf/cm² & 200°C 50 - 75 kgf/cm² & 600 - 800°C 15-45 Kgf/cm² & 450-550°C 5-10 kgf/cm² & 150 - 250°C 1-5 Kgf/cm² & 200°C 50 - 75 kgf/cm² & 600 - 800°C 15-45 Kgf/cm² & 450-550°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 2atm & 500°C 50atm. & 750°C 10atm & 500°C 30atm & 200°C 2atm & 500°C 50atm. & 750°C 10atm & 500°C 30atm & 200°C 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 Coking Thermal cracking Discoloration Gum formation Coking Thermal cracking Discoloration Gum formation 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 Reduce gum content in gasoline Increase the yield of light distillates Suppress coke formation Enhance the octane number of gasoline Reduce gum content in gasoline Increase the yield of light distillates Suppress coke formation Enhance the octane number of gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the endothermic reaction out of the following: Dehydrogeneration of naphthene to produce aromatic Hydrocracking Catalytic cracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic Hydrocracking Catalytic cracking Catalytic polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Boiling range of motor gasoline is an indication of the All of these Rate of acceleration Case of starting Vapour locking tendency All of these Rate of acceleration Case of starting Vapour locking tendency ANSWER DOWNLOAD EXAMIANS APP
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