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 Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the deasphalting process is Furfurol Hexane Propane Phenol Furfurol Hexane Propane Phenol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ determination is not a very significant and important test for gasoline. Gum & sulphur content Octane number Reid vapor pressure Viscosity Gum & sulphur content Octane number Reid vapor pressure Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Research octane number refers to the Unleaded motor fuels Low octane number motor fuels High octane number motor fuels High octane number aviation fuels Unleaded motor fuels Low octane number motor fuels High octane number motor fuels High octane number aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these ANSWER DOWNLOAD EXAMIANS APP
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