Petroleum Refinery Engineering Name the hydrocarbon having the poorest oxidation stability. Olefin Aromatics Paraffin Naphthene Olefin Aromatics Paraffin Naphthene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ is not an important refinery process for upgrading the quality of lubricating oil. Hydrotreatment Clay treatment Deoiling Solvent refinning Hydrotreatment Clay treatment Deoiling Solvent refinning ANSWER DOWNLOAD EXAMIANS APP
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 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of paraffins increases with decrease in its molecular weight 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling is the process of removal of oil from wax. It is done by the __________ process. Resettling Solvent extraction Sweating All of these Resettling Solvent extraction Sweating All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Leads to corrosion Decreases gum formation Helps during stabilisation Increases lead susceptibility Leads to corrosion Decreases gum formation Helps during stabilisation Increases lead susceptibility ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge . Low molecular weight & low boiling point compounds present in petroleum All of these Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge . Low molecular weight & low boiling point compounds present in petroleum All of these ANSWER DOWNLOAD EXAMIANS APP
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