Petroleum Refinery Engineering Which one is preferred for aircraft engine? High freezing point aviation fuel None of these High viscosity index lube oil Low viscosity index lube oil High freezing point aviation fuel None of these High viscosity index lube oil Low viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 15 35 5 25 15 35 5 25 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The coking process normally mostly used in Indian oil refineries is the __________ coking process. Fluid Flexi Delayed Contact Fluid Flexi Delayed Contact ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of an oil is determined by the Ramsbottom apparatus Conradson apparatus Pensky Martens apparatus Saybolt viscometer Ramsbottom apparatus Conradson apparatus Pensky Martens apparatus Saybolt viscometer ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is represented by CnH2n+2O₂ CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n-2O₂ CnH2n+2O₂ CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n-2O₂ ANSWER DOWNLOAD EXAMIANS APP
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