Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrocyclisation of higher paraffins Dehydrogenation of lower paraffins Dehydrogenation of naphthene Isomerisation of paraffins Dehydrocyclisation of higher paraffins Dehydrogenation of lower paraffins Dehydrogenation of naphthene Isomerisation of paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering 'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts. Desulphurisation None of these Steam reforming Distillation Desulphurisation None of these Steam reforming Distillation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is a naphthene? Acetylene Butadiene Cyclohexane Butene Acetylene Butadiene Cyclohexane Butene 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 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics 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 paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Calorific value Quantity of butane Quantity of propane Unsaturated hydrocarbon content Calorific value Quantity of butane Quantity of propane Unsaturated hydrocarbon content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Causes olefins to combine with each other Causes aromatics to combine with each other Is aimed at producing lubricating oil Produces i-octane from cracked gases containing i-butane and butene Causes olefins to combine with each other Causes aromatics to combine with each other Is aimed at producing lubricating oil Produces i-octane from cracked gases containing i-butane and butene ANSWER DOWNLOAD EXAMIANS APP
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