Petroleum Refinery Engineering Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight. 98 50 65 85 98 50 65 85 ANSWER DOWNLOAD EXAMIANS APP
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 30 to 80 450 to 500 1 to 5 250 to 350 30 to 80 450 to 500 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Water absorbing capacity from atmosphere Water separation characteristics Water content Emulsification tendency Water absorbing capacity from atmosphere Water separation characteristics Water content Emulsification tendency ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is almost absent in crude petroleum? Naphthenes Olefins Cycloparaffins Mercaptans Naphthenes Olefins Cycloparaffins Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Prevent rusting Keep contaminants in suspension Reduce deposit formation Increase oxidation stability Prevent rusting Keep contaminants in suspension Reduce deposit formation Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Neither A nor B Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation Neither A nor B Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation ANSWER DOWNLOAD EXAMIANS APP