Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Bentonite clays All of these Silica-magnesia Silica-alumina Bentonite clays All of these Silica-magnesia Silica-alumina ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Research octane number refers to the High octane number motor fuels Unleaded motor fuels High octane number aviation fuels Low octane number motor fuels High octane number motor fuels Unleaded motor fuels High octane number aviation fuels Low octane number motor fuels ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is Same as that for olefins i.e. CnH2n CnH2n + 2 CnHn - 4 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnH2n + 2 CnHn - 4 CnH2n - 6 (where, n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Less than 90% promotes polymerisation 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 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the minimum °API gravity of all? Diesel Petrol Kerosene Furnace oil Diesel Petrol Kerosene Furnace oil ANSWER DOWNLOAD EXAMIANS APP
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