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 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 Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffins are desirable in lubricating oil, as it has got high Viscosity Smoke point Viscosity index Pour point Viscosity Smoke point Viscosity index Pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the easiest to crack? Olefins Aromatics Naphthenes Paraffins Olefins Aromatics Naphthenes Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Aniline vaporises Equal volume of aniline & the test sample are completely miscible Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Aniline vaporises Equal volume of aniline & the test sample are completely miscible ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Present in substantially good quantity in crude petroleum Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) None of these Present in substantially good quantity in crude petroleum Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Tetra ethyl lead Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead Napthenic acid Ethyl mercaptan Amyl nitrate ANSWER DOWNLOAD EXAMIANS APP
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