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 None of these High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Remains same Is unpredictable Increases Decreases Remains same Is unpredictable Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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 In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 10 1000-10000 100 200-300 10 1000-10000 100 200-300 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A typical yield of diesel in straight run distillation of crude oil may be about __________ percent. 28 8 18 35 28 8 18 35 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum coke is commercially produced by the __________ process. Hydrocracking Visbreaking Fluid catalytic cracking Delayed coking Hydrocracking Visbreaking Fluid catalytic cracking Delayed coking ANSWER DOWNLOAD EXAMIANS APP
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