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 Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pyrolysis of kerosene or natural gasoline is done to produce mainly the Olefins and aromatics Lighter paraffins Diesel Stabilised gasoline Olefins and aromatics Lighter paraffins Diesel Stabilised gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? Light gas oil Vacuum residue Diesel Naphtha Light gas oil Vacuum residue Diesel Naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The characterisation factor of crude petroleum oil is around 3 22 11 28 3 22 11 28 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Phenol & furfural Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following petroleum products contain minimum sulphur? LSHS Naphtha Kerosene Furnace oil LSHS Naphtha Kerosene Furnace oil ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS