Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Reduce the pour point Increase its octane number Increase its smoke point Reduce gum formation Reduce the pour point Increase its octane number Increase its smoke point Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C. -40 2 30 55 -40 2 30 55 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 45 90 70 55 45 90 70 55 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing Boiling points C/H ratio Molecular weight All of these Boiling points C/H ratio Molecular weight All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ converts n-paraffins to i-paraffins. Isomerisation Alkylation None of these Polymerisation Isomerisation Alkylation None of these Polymerisation 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
EXAMIANS