Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Neither A nor B Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation Neither A nor B Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. 500 1 20 100 500 1 20 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Causes olefins to combine with each other Causes aromatics to combine with each other Produces i-octane from cracked gases containing i-butane and butene Is aimed at producing lubricating oil Causes olefins to combine with each other Causes aromatics to combine with each other Produces i-octane from cracked gases containing i-butane and butene Is aimed at producing lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Naphthenes Paraffins Aromatics Iso-paraffins Naphthenes Paraffins Aromatics Iso-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about 1 3.5 2.5 0.1 1 3.5 2.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The best method of determining sulphur in crude oil is by the __________ method. Bomb calorimeter Kjeldah Junkar's calorimeter Duma Bomb calorimeter Kjeldah Junkar's calorimeter Duma ANSWER DOWNLOAD EXAMIANS APP
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