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 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 paraffins increases with decrease in its molecular weight 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 naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of paraffins increases with decrease in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes is used for the production of petroleum coke? Reforming Cracking Stabilisation Visbreaking Reforming Cracking Stabilisation Visbreaking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude topping column operates at __________ pressure. Atmospheric 10 atm 3 atm Vacuum Atmospheric 10 atm 3 atm Vacuum ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases coke formation None of these Increases the rate of reaction Produces high octane number gasoline Increases coke formation None of these Increases the rate of reaction Produces high octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering True vapour pressure of a petroleum fraction __________ Reid vapour pressure. Is more than May be either more or less than Is less than Is same as Is more than May be either more or less than Is less than Is same as ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of diesel used in trucks may be about 85 35 14 50 85 35 14 50 ANSWER DOWNLOAD EXAMIANS APP
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