Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm. 5 100 25 10 5 100 25 10 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are None of these Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) Saturated hydrocarbons None of these Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) Saturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Causes olefins to combine with each other Causes aromatics to combine with each other Produces i-octane from cracked gases containing i-butane and butene Is aimed at producing lubricating oil Causes olefins to combine with each other Causes aromatics to combine with each other Produces i-octane from cracked gases containing i-butane and butene Is aimed at producing lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffin base crude oil as compared to asphalt base crude gives Lower viscosity index lube oil Poorer yield of lube oil Higher yield of straight run gasoline Higher octane number gasoline Lower viscosity index lube oil Poorer yield of lube oil Higher yield of straight run gasoline Higher octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Good quality kerosene should have Low paraffins content High aromatics content High smoke point Low smoke point Low paraffins content High aromatics content High smoke point Low smoke point ANSWER DOWNLOAD EXAMIANS APP
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