Petroleum Refinery Engineering Presence of aromatics in All of these Petrol increases its octane number Kerosene increases its smoke point Diesel increases its cetane number All of these Petrol increases its octane number Kerosene increases its smoke point Diesel increases its cetane number 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
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Mixed Asphalt Naphthenic Paraffin Mixed Asphalt Naphthenic Paraffin ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 600-750 2000-2500 1000-1500 250-350 600-750 2000-2500 1000-1500 250-350 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Produces high octane number gasoline Increases the rate of reaction Increases coke formation None of these Produces high octane number gasoline Increases the rate of reaction Increases coke formation None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the All of these Elimination of solvent drying facility Higher nitration temperature Lower solvent dilution ratio All of these Elimination of solvent drying facility Higher nitration temperature Lower solvent dilution ratio ANSWER DOWNLOAD EXAMIANS APP
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