Petroleum Refinery Engineering Feedstock for polymerisation is Naphtha Low boiling aromatics None of these Cracked gases rich in C₂ & C₄ olefins Naphtha Low boiling aromatics None of these Cracked gases rich in C₂ & C₄ olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used for dewaxing of petroleum products are Propane Furfural Methyl ethyl ketone (MEK) Both B & C Propane Furfural Methyl ethyl ketone (MEK) Both B & C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sulphuric acid treatment of petroleum products removes the __________ materials. All of these Gum forming Color forming Asphaltic All of these Gum forming Color forming Asphaltic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher sulphur content in the product Higher gum forming material in petrol Lower octane number of petrol Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol Lower octane number of petrol Gives higher yield of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Asphalt Naphthenic Mixed Paraffin Asphalt Naphthenic Mixed Paraffin ANSWER DOWNLOAD EXAMIANS APP
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