Petroleum Refinery Engineering Which one is preferred for aircraft engine? High viscosity index lube oil None of these High freezing point aviation fuel Low viscosity index lube oil High viscosity index lube oil None of these High freezing point aviation fuel Low viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is represented by CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n+6O₂ (n ≤ 6) CnH2n+2O₂ CnHsub>2n-2O₂ CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n+6O₂ (n ≤ 6) CnH2n+2O₂ CnHsub>2n-2O₂ ANSWER DOWNLOAD EXAMIANS APP
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 Pour point of a petrofuel is 5°C below the temperature at which oil ceases to flow Multiple of 5°F Multiple of 3°F None of these 5°C below the temperature at which oil ceases to flow Multiple of 5°F Multiple of 3°F None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 5 15 25 35 5 15 25 35 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Alkylation Converts iso-paraffin into olefin Causes olefins to combine with each other Converts olefin into paraffin Causes olefins to combine with iso-paraffins Converts iso-paraffin into olefin Causes olefins to combine with each other Converts olefin into paraffin Causes olefins to combine with iso-paraffins ANSWER DOWNLOAD EXAMIANS APP
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