Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the endothermic reaction out of the following: Hydrocracking Catalytic cracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic Hydrocracking Catalytic cracking Catalytic polymerisation Dehydrogeneration of naphthene to produce aromatic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment of petroleum products Desulphurise straight run gasoline & kerosene Adsorb arsenic from feedstock to catalytic reforming Decolorises & stabilises cracked gasoline All of these Desulphurise straight run gasoline & kerosene Adsorb arsenic from feedstock to catalytic reforming Decolorises & stabilises cracked gasoline All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High viscosity index lube oil High freezing point aviation fuel Low viscosity index lube oil None of these High viscosity index lube oil High freezing point aviation fuel Low viscosity index lube oil None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming Uses naphtha as feedstock Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed All of these Uses naphtha as feedstock Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed All of these ANSWER DOWNLOAD EXAMIANS APP