Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). One eighth One fourth One third Half One eighth One fourth One third Half 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 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 Enhance the octane number of gasoline Increase the yield of light distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the highest gum forming tendency in gosoline? Naphthenes Paraffins Diolefins Aromatics Naphthenes Paraffins Diolefins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sour crude means the __________ bearing crude. Asphalt Wax Sulphur compounds Nitrogen compounds Asphalt Wax Sulphur compounds Nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In petroleum refining, the process used for conversion of hydrocarbons to aromatics is Catalytic reforming Hydrotreating Catalytic cracking Alkylation Catalytic reforming Hydrotreating Catalytic cracking Alkylation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP