Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Packed bed Fluidised bed Perforated plate Bubble-cap Packed bed Fluidised bed Perforated plate Bubble-cap ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Viscosity index of a lubricating oil Is the measure of variation of viscosity with temperature Should be low None of these Is the measure of its flash point Is the measure of variation of viscosity with temperature Should be low None of these Is the measure of its flash point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration More than 98% promotes cracking Neither A nor B Both A & B Less than 90% promotes polymerisation More than 98% promotes cracking Neither A nor B Both A & B Less than 90% promotes polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 20 kgf/cm² & 110°C 50 atm. and 150°C 1 atm. & 110 °C 6.5 kgf/Cm² & 95°C 20 kgf/cm² & 110°C 50 atm. and 150°C 1 atm. & 110 °C 6.5 kgf/Cm² & 95°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Higher H/C ratio Increase in thermal energy per unit weight Increase in aromatic content Decrease in paraffin content Higher H/C ratio Increase in thermal energy per unit weight Increase in aromatic content Decrease in paraffin content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not an important property of fuel oil/furnace oil? Viscosity Aniline point Flash point Sulphur content Viscosity Aniline point Flash point Sulphur content ANSWER DOWNLOAD EXAMIANS APP
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