Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 1 to 5 250 to 350 450 to 500 30 to 80 1 to 5 250 to 350 450 to 500 30 to 80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Viscosity index of a lubricating oil Is the measure of variation of viscosity with temperature Is the measure of its flash point None of these Should be low Is the measure of variation of viscosity with temperature Is the measure of its flash point None of these Should be low ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Water separation characteristics Water absorbing capacity from atmosphere Emulsification tendency Water content Water separation characteristics Water absorbing capacity from atmosphere Emulsification tendency Water content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Alkylation Converts iso-paraffin into olefin Converts olefin into paraffin Causes olefins to combine with iso-paraffins Causes olefins to combine with each other Converts iso-paraffin into olefin Converts olefin into paraffin Causes olefins to combine with iso-paraffins Causes olefins to combine with each other ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in isomerisation process is H₂SO₄ H₃PO₄ HF AlCl3 H₂SO₄ H₃PO₄ HF AlCl3 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is pumped by a __________ pump. Gear Reciprocating Centrifugal Screw Gear Reciprocating Centrifugal Screw ANSWER DOWNLOAD EXAMIANS APP