Petroleum Refinery Engineering Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm. 5 10 25 100 5 10 25 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Less than 25 Round about 100 Between 50 and 100 More than 100 Less than 25 Round about 100 Between 50 and 100 More than 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The catalytic cracking of heavier petroleum fraction is done to produce mainly Tar Asphalt Diesel oil Gasoline Tar Asphalt Diesel oil Gasoline 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 Feedstock for polymerisation is Cracked gases rich in C₂ & C₄ olefins Naphtha None of these Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins Naphtha None of these Low boiling aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Intermediate distillates Heavy distillates Light ends Residues Intermediate distillates Heavy distillates Light ends Residues ANSWER DOWNLOAD EXAMIANS APP
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