Petroleum Refinery Engineering Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. 50 140 70 90 50 140 70 90 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of a liquid petroleum fuel gives an idea about its Volatility Nature of boiling point diagram Explosion hazards characteristics All of these Volatility Nature of boiling point diagram Explosion hazards characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Uses natural gas as feed Produces fuel oil of lower viscosity Is carried out at atmospheric pressure Produces gasoline only Uses natural gas as feed Produces fuel oil of lower viscosity Is carried out at atmospheric pressure Produces gasoline only ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering For gasoline, the flash point ( Pensky-Marten's apparatus Saybolt chromometer Abel apparatus None of these Pensky-Marten's apparatus Saybolt chromometer Abel apparatus None of these 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 Discoloration Coking Thermal cracking Gum formation Discoloration Coking Thermal cracking 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 Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
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