Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration 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 Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic cracking, the Pressure & temperature is very high Gasoline obtained has very high aromatic content Gasoline obtained has a very low octane number Gasoline obtained has very high amount of gum forming compounds Pressure & temperature is very high Gasoline obtained has very high aromatic content Gasoline obtained has a very low octane number Gasoline obtained has very high amount of gum forming compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of aromatics in Kerosene increases its smoke point All of these Diesel increases its cetane number Petrol increases its octane number Kerosene increases its smoke point All of these Diesel increases its cetane number Petrol increases its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Specific gravity of a petroleum product gives an indication of its Ease of atomisation Hydrocarbon content type (aromatic or paraffinic) Sulphur content Degree of refinement Ease of atomisation Hydrocarbon content type (aromatic or paraffinic) Sulphur content Degree of refinement ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the highest octane number? Aromatics Naphthenes Olefins I-paraffins Aromatics Naphthenes Olefins I-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High freezing point aviation fuel Low viscosity index lube oil High viscosity index lube oil None of these High freezing point aviation fuel Low viscosity index lube oil High viscosity index lube oil None of these ANSWER DOWNLOAD EXAMIANS APP
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