Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Prevent rusting Reduce deposit formation Increase oxidation stability Keep contaminants in suspension Prevent rusting Reduce deposit formation Increase oxidation stability Keep contaminants in suspension ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most important property for a jet fuel is its Freezing point Flash point Calorific value Viscosity Freezing point Flash point Calorific value Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The terminology used for the bottom most product from the vacuum crude distillation unit is Reduced crude Residuum Petrolatum Residual crude Reduced crude Residuum Petrolatum Residual crude ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. Sulphur increases None of these Nitrogen decreases Sulphur decreases Sulphur increases None of these Nitrogen decreases Sulphur decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffin base crude oil as compared to asphalt base crude gives Higher octane number gasoline Higher yield of straight run gasoline Lower viscosity index lube oil Poorer yield of lube oil Higher octane number gasoline Higher yield of straight run gasoline Lower viscosity index lube oil Poorer yield of lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of motor gasoline may be around __________ °C. 45 10 100 150 45 10 100 150 ANSWER DOWNLOAD EXAMIANS APP
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