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 The characterisation factor of crude petroleum oil is around 22 28 11 3 22 28 11 3 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 Higher nitration temperature Lower solvent dilution ratio Elimination of solvent drying facility All of these Higher nitration temperature Lower solvent dilution ratio Elimination of solvent drying facility All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Flash point Viscosity index Viscosity Aniline point Flash point Viscosity index Viscosity Aniline point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following factors does not govern the mechanism of petroleum formation from organic sources? Pressure Bacterial action PH of the soil Heat Pressure Bacterial action PH of the soil Heat ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-COOH R-S-H R-S-R R-S-R' R-COOH R-S-H R-S-R R-S-R' ANSWER DOWNLOAD EXAMIANS APP
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