Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Between 50 and 100 Round about 100 More than 100 Less than 25 Between 50 and 100 Round about 100 More than 100 Less than 25 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrocyclisation of higher paraffins Isomerisation of paraffins Dehydrogenation of naphthene Dehydrogenation of lower paraffins Dehydrocyclisation of higher paraffins Isomerisation of paraffins Dehydrogenation of naphthene Dehydrogenation of lower paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Doctor's solution used for sweetening of petroleum products is Sodium thiosulphate Sodium plumbite Sodium sulphite Lead sulphate Sodium thiosulphate Sodium plumbite Sodium sulphite Lead sulphate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the isomerisation is Phosphoric acid Aluminium chloride Alumina Nickel Phosphoric acid Aluminium chloride Alumina Nickel 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 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 Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of reformed gasoline may be upto 80 70 90 60 80 70 90 60 ANSWER DOWNLOAD EXAMIANS APP
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