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 Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? Light diesel oil Tar Low viscosity furnace oil PCM Light diesel oil Tar Low viscosity furnace oil PCM ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Modern theory Engler theory Carbide theory All of these Modern theory Engler theory Carbide theory All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of diesel used in trucks may be about 50 35 85 14 50 35 85 14 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most effective catalyst used in catalytic cracking of petroleum products? Zeolite Vanadium pentoxide Iron oxide Nickel Zeolite Vanadium pentoxide Iron oxide Nickel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Organometallic compounds Sulphur compounds Nitrogen compounds Oxygen compounds Organometallic compounds Sulphur compounds Nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
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