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 Specific gravity of a petroleum product gives an indication of its Sulphur content Degree of refinement Hydrocarbon content type (aromatic or paraffinic) Ease of atomisation Sulphur content Degree of refinement Hydrocarbon content type (aromatic or paraffinic) Ease of atomisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment of petroleum products All of these Adsorb arsenic from feedstock to catalytic reforming Desulphurise straight run gasoline & kerosene Decolorises & stabilises cracked gasoline All of these Adsorb arsenic from feedstock to catalytic reforming Desulphurise straight run gasoline & kerosene Decolorises & stabilises cracked gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most desirable component of a good quality kerosene? N-paraffins Aromatics I-paraffins Naphthenes N-paraffins Aromatics I-paraffins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) Saturated hydrocarbons None of these Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) Saturated hydrocarbons None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke volatility index is equal to smoke point plus 10 mm. approximately 0.42 x(% distilled at 204°C) 0.84 x (% distilled at 204°C) 5 mm 10 mm. approximately 0.42 x(% distilled at 204°C) 0.84 x (% distilled at 204°C) 5 mm ANSWER DOWNLOAD EXAMIANS APP
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