Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond 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 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 paraffins increases with decrease in its molecular weight Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature. Less than More than Same as Either more or less; depends on the room temperature Less than More than Same as Either more or less; depends on the room temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are None of these Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum Saturated hydrocarbons None of these Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum Saturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Light ends Intermediate distillates Heavy distillates Residues Light ends Intermediate distillates Heavy distillates Residues ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sour crude means the __________ bearing crude. Sulphur compounds Asphalt Nitrogen compounds Wax Sulphur compounds Asphalt Nitrogen compounds Wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphtha yield in straight run distillation of crude oil may be about __________ percent. 18 2 12 6 18 2 12 6 ANSWER DOWNLOAD EXAMIANS APP