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. 2000-2500 600-750 1000-1500 250-350 2000-2500 600-750 1000-1500 250-350 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. Sodium Calcium Potassium Magnesium Sodium Calcium Potassium Magnesium 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 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 Smoking tendency of paraffins increases with decrease in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering For gasoline, the flash point ( Abel apparatus Saybolt chromometer None of these Pensky-Marten's apparatus Abel apparatus Saybolt chromometer None of these Pensky-Marten's apparatus ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Present in substantially good quantity in crude petroleum None of these Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum None of these Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Both A & B Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking Both A & B Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking ANSWER DOWNLOAD EXAMIANS APP
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