Petroleum Refinery Engineering Naphthenic acid is represented by CnHsub>2n-2O₂ CnHsub>2n+6O₂ (n ≤ 6) CnH2n+2O₂ CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n-2O₂ CnHsub>2n+6O₂ (n ≤ 6) CnH2n+2O₂ CnHsub>2n+2O₂ (n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Testing of the knocking characteristics of petrofuels is done in a __________ engine. Stirling CFR (Co-operative fuel research) Diesel Carnot Stirling CFR (Co-operative fuel research) Diesel Carnot ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Reduce deposit formation Keep contaminants in suspension Prevent rusting Increase oxidation stability Reduce deposit formation Keep contaminants in suspension Prevent rusting Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Gives higher yield of petrol Higher gum forming material in petrol Higher sulphur content in the product Lower octane number of petrol Gives higher yield of petrol Higher gum forming material in petrol Higher sulphur content in the product Lower octane number of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The conductivity of crude oil-water mixture depends on the Temperature Water percentage PH value All of these Temperature Water percentage PH value All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number ANSWER DOWNLOAD EXAMIANS APP
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