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 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of paraffins increases with decrease in its molecular weight 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? Low viscosity index lube oil None of these High freezing point aviation fuel High viscosity index lube oil Low viscosity index lube oil None of these High freezing point aviation fuel High viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The solvent used in Barisol dewaxing process is Benzol and ethylene dichloride Hexane Methyl ethyl ketone (MEK) Furfural Benzol and ethylene dichloride Hexane Methyl ethyl ketone (MEK) Furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Testing of the knocking characteristics of petrofuels is done in a __________ engine. CFR (Co-operative fuel research) Stirling Carnot Diesel CFR (Co-operative fuel research) Stirling Carnot Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Increase its pour point Act as an antioxidant Improve the octane number Reduce its viscosity Increase its pour point Act as an antioxidant Improve the octane number Reduce its viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest flash point of all? Furnace oil Petrol Kerosene Diesel Furnace oil Petrol Kerosene Diesel ANSWER DOWNLOAD EXAMIANS APP
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