Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Presence of unsaturated air Fluctuation of ambient temperature during day and night Both A & B Neither A nor B Presence of unsaturated air Fluctuation of ambient temperature during day and night Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Obviate catalyst poisoning Hydrogenate the feed stock Maintain the reaction temperature Sustain the reactor pressure Obviate catalyst poisoning Hydrogenate the feed stock Maintain the reaction temperature Sustain the reactor pressure 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 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 Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Butadiene is a/an Di-olefin Naphthene Aromatic Olefin Di-olefin Naphthene Aromatic Olefin ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of an oil gives an idea of the Explosion hazards Amount of low boiling fraction present Nature of boiling point diagram of the system All of these Explosion hazards Amount of low boiling fraction present Nature of boiling point diagram of the system All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Ethyl mercaptan Amyl nitrate Tetra ethyl lead Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead Napthenic acid ANSWER DOWNLOAD EXAMIANS APP