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 has the lowest cetane number? Olefins Aromatics Naphthene I-paraffins Olefins Aromatics Naphthene I-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of a petrofuel (say diesel) indicates that It is highly aromatic in nature It has a very low diesel index It is highly paraffinic in nature Its ignition quality is very poor It is highly aromatic in nature It has a very low diesel index It is highly paraffinic in nature Its ignition quality is very poor 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? Tar Light diesel oil PCM Low viscosity furnace oil Tar Light diesel oil PCM Low viscosity furnace oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively 10 and 300 1 and 200 10 and 120 50 and 250 10 and 300 1 and 200 10 and 120 50 and 250 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment of petroleum products Decolorises & stabilises cracked gasoline Adsorb arsenic from feedstock to catalytic reforming All of these Desulphurise straight run gasoline & kerosene Decolorises & stabilises cracked gasoline Adsorb arsenic from feedstock to catalytic reforming All of these Desulphurise straight run gasoline & kerosene ANSWER DOWNLOAD EXAMIANS APP
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