Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Prevent rusting Keep contaminants in suspension Reduce deposit formation Increase oxidation stability Prevent rusting Keep contaminants in suspension Reduce deposit formation Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 15-45 Kgf/cm² & 450-550°C 1-5 Kgf/cm² & 200°C 50 - 75 kgf/cm² & 600 - 800°C 5-10 kgf/cm² & 150 - 250°C 15-45 Kgf/cm² & 450-550°C 1-5 Kgf/cm² & 200°C 50 - 75 kgf/cm² & 600 - 800°C 5-10 kgf/cm² & 150 - 250°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 250-350 1000-1500 2000-2500 600-750 250-350 1000-1500 2000-2500 600-750 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Sulphur compounds Organometallic compounds Nitrogen compounds Oxygen compounds Sulphur compounds Organometallic compounds Nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a good burning kerosene may be around __________ mm. 20-25 0-5 100-120 60-75 20-25 0-5 100-120 60-75 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following categories of gasoline has the highest lead susceptibility? Straight run gasoline Polymer gasoline Catalytical cracked gasoline Platinum reformed gasoline Straight run gasoline Polymer gasoline Catalytical cracked gasoline Platinum reformed gasoline ANSWER DOWNLOAD EXAMIANS APP
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