Petroleum Refinery Engineering Which of the following has the highest octane number? I-paraffins Naphthenes Olefins Aromatics I-paraffins Naphthenes Olefins Aromatics 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 Neither A nor B More than 98% promotes cracking Less than 90% promotes polymerisation Both A & B Neither A nor B More than 98% promotes cracking Less than 90% promotes polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Sodium plumbite Potassium isobutyrate Cupric chloride Sodium hydroxide Sodium plumbite Potassium isobutyrate Cupric chloride Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most widely used cracking process in oil refineries? Dubbs process T.C.C. moving bed process Houdry's fixed bed process Fluidised bed catalytic cracking process Dubbs process T.C.C. moving bed process Houdry's fixed bed process Fluidised bed catalytic cracking process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Paraffins Olefins Naphthenes Aromatics Paraffins Olefins Naphthenes Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C ANSWER DOWNLOAD EXAMIANS APP
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