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