Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Prevent rusting Increase oxidation stability Keep contaminants in suspension Reduce deposit formation Prevent rusting Increase oxidation stability Keep contaminants in suspension Reduce deposit formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon/hydrogen ratio (by weight) is maximum (out of following) for Light gas oil Kerosene Heavy fuel oil Gasoline Light gas oil Kerosene Heavy fuel oil Gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 5-10 kgf/cm² & 150 - 250°C 50 - 75 kgf/cm² & 600 - 800°C 1-5 Kgf/cm² & 200°C 15-45 Kgf/cm² & 450-550°C 5-10 kgf/cm² & 150 - 250°C 50 - 75 kgf/cm² & 600 - 800°C 1-5 Kgf/cm² & 200°C 15-45 Kgf/cm² & 450-550°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Nitrogen compounds Organometallic compounds Sulphur compounds Oxygen compounds Nitrogen compounds Organometallic compounds Sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Good quality kerosene should have High smoke point High aromatics content Low smoke point Low paraffins content High smoke point High aromatics content Low smoke point Low paraffins content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Reduce its cost Narrow down its explosion limit Assist in checking its leakage from cylinder Increase its calorific value Reduce its cost Narrow down its explosion limit Assist in checking its leakage from cylinder Increase its calorific value ANSWER DOWNLOAD EXAMIANS APP
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