Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of viscosity index Improvement of smoke point Removal of sulphur Reduction of breathing loss Improvement of viscosity index Improvement of smoke point Removal of sulphur Reduction of breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ converts n-paraffins to i-paraffins. Isomerisation Alkylation None of these Polymerisation Isomerisation Alkylation None of these Polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphtha yield in straight run distillation of crude oil may be about __________ percent. 2 18 12 6 2 18 12 6 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. 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 Complete miscibility with oil Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). One eighth Half One fourth One third One eighth Half One fourth One third ANSWER DOWNLOAD EXAMIANS APP