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 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 Reduce gum content in 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 Lighter paraffins Olefins and aromatics Stabilised gasoline Diesel Lighter paraffins Olefins and aromatics Stabilised gasoline Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most important property for a jet fuel? Freezing point Cloud point Pour point Colour Freezing point Cloud point Pour point Colour ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the Elimination of solvent drying facility Lower solvent dilution ratio Higher nitration temperature All of these Elimination of solvent drying facility Lower solvent dilution ratio Higher nitration temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Sulphuric acid Silica gel Nickel Alumina Sulphuric acid Silica gel Nickel Alumina ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The characterisation factor of crude petroleum oil is around 3 28 22 11 3 28 22 11 ANSWER DOWNLOAD EXAMIANS APP