Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Increase oxidation stability Reduce deposit formation Prevent rusting Keep contaminants in suspension Increase oxidation stability Reduce deposit formation Prevent rusting Keep contaminants in suspension ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in diesel and kerosene but is undersirable in gasoline? Mercaptans Aromatics Paraffins Naphthenic acid Mercaptans Aromatics Paraffins Naphthenic acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petrolatum is None of these A mixture of microcrystalline wax in viscous hydrocarbon liquids Same as petroleum ether Petroleum coke None of these A mixture of microcrystalline wax in viscous hydrocarbon liquids Same as petroleum ether Petroleum coke ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum None of these Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms. 7.5 to 12.5 1.5 to 4.5 0.1 to 0.5 15-20 7.5 to 12.5 1.5 to 4.5 0.1 to 0.5 15-20 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the maximum °API gravity of all? Petrol Furnace oil Diesel Kerosene Petrol Furnace oil Diesel Kerosene ANSWER DOWNLOAD EXAMIANS APP
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