Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Neither A nor B Both A & B Complete miscibility with oil High solubility of wax in the solvent Neither A nor B Both A & B Complete miscibility with oil High solubility of wax in the solvent ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 5 35 25 15 5 35 25 15 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² . 12 1.5 6 3 12 1.5 6 3 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Silica-magnesia Bentonite clays All of these Silica-alumina Silica-magnesia Bentonite clays All of these Silica-alumina ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products Remains same Unpredictable from the data Increases Decreases Remains same Unpredictable from the data Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because None of these High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition None of these High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS