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 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 Reduce gum content in gasoline Increase the yield of light distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of an oil gives an idea of the All of these Amount of low boiling fraction present Explosion hazards Nature of boiling point diagram of the system All of these Amount of low boiling fraction present Explosion hazards Nature of boiling point diagram of the system ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. 4 18 10 26 4 18 10 26 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is a/an __________ compound. Nitrogen Oxygen Sulphur None of these Nitrogen Oxygen Sulphur None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Dissolve wax Depress its pour point Remove wax Precipitate wax Dissolve wax Depress its pour point Remove wax Precipitate wax ANSWER DOWNLOAD EXAMIANS APP
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