Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Acid Solvent extraction Clay Alkali Acid Solvent extraction Clay Alkali 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 Good quality kerosene should have High smoke point High aromatics content Low paraffins content Low smoke point High smoke point High aromatics content Low paraffins content Low smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Bentonite clays All of these Silica-alumina Silica-magnesia Bentonite clays All of these Silica-alumina Silica-magnesia ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not a sulphur compound present in petroleum ? Pyroles Thiophenes Mercaptans Sulphones Pyroles Thiophenes Mercaptans Sulphones ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of a petrofuel (say diesel) indicates that It has a very low diesel index It is highly aromatic in nature Its ignition quality is very poor It is highly paraffinic in nature It has a very low diesel index It is highly aromatic in nature Its ignition quality is very poor It is highly paraffinic in nature ANSWER DOWNLOAD EXAMIANS APP
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