Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Remove wax Depress its pour point Dissolve wax Precipitate wax Remove wax Depress its pour point Dissolve wax Precipitate wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Helps during stabilisation Increases lead susceptibility Leads to corrosion Decreases gum formation Helps during stabilisation Increases lead susceptibility Leads to corrosion Decreases gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane numbers of motor gasoline used in India and America are respectively 87 & 94 94 & 87 83 & 100 94 & 100 87 & 94 94 & 87 83 & 100 94 & 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be >100 87 97 79 >100 87 97 79 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most suitable solvent for deasphalting vacuum residue is Methanol amine Doctor's solution Propane Methyl ethyl ketone Methanol amine Doctor's solution Propane Methyl ethyl ketone 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 aromatics decreases with increase in its molecular weight 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics 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 naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
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