Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Increase in thermal energy per unit weight Decrease in paraffin content Higher H/C ratio Increase in aromatic content Increase in thermal energy per unit weight Decrease in paraffin content Higher H/C ratio Increase in aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest viscosity (at a given temperature) of all? Lube oil Diesel Naphtha Kerosene Lube oil Diesel Naphtha Kerosene 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum coke is commercially produced by the __________ process. Fluid catalytic cracking Visbreaking Delayed coking Hydrocracking Fluid catalytic cracking Visbreaking Delayed coking Hydrocracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is a/an __________ compound. Nitrogen Oxygen None of these Sulphur Nitrogen Oxygen None of these Sulphur ANSWER DOWNLOAD EXAMIANS APP