Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 600-750 250-350 1000-1500 2000-2500 600-750 250-350 1000-1500 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the catalytic polymerisation is Phosphoric acid on kieselghur Vanadium pentaoxide Nickel Aluminium chloride Phosphoric acid on kieselghur Vanadium pentaoxide Nickel Aluminium chloride ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-H R-COOH R-S-R' R-S-R R-S-H R-COOH R-S-R' R-S-R ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aromatics are desired constituents of Diesel Lubricating oil Petrol Kerosene Diesel Lubricating oil Petrol Kerosene 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 Waxes present in petroleum products Can be separated out by distillation Are not soluble in them Crystallise out at low temperature Decrease their viscosity Can be separated out by distillation Are not soluble in them Crystallise out at low temperature Decrease their viscosity ANSWER DOWNLOAD EXAMIANS APP