Petroleum Refinery Engineering Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² . 1.5 6 3 12 1.5 6 3 12 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Melting point Specific gravity Penetration number Viscosity Melting point Specific gravity Penetration number Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its smoke point Increase its octane number Reduce the pour point Reduce gum formation Increase its smoke point Increase its octane number Reduce the pour point Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be 70 100 ∞ 0 70 100 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Produces gasoline only Uses natural gas as feed Is carried out at atmospheric pressure Produces fuel oil of lower viscosity Produces gasoline only Uses natural gas as feed Is carried out at atmospheric pressure Produces fuel oil of lower viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Complete miscibility with oil Both A & B Neither A nor B High solubility of wax in the solvent Complete miscibility with oil Both A & B Neither A nor B High solubility of wax in the solvent ANSWER DOWNLOAD EXAMIANS APP
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