Petroleum Refinery Engineering Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? PCM Low viscosity furnace oil Light diesel oil Tar PCM Low viscosity furnace oil Light diesel oil Tar ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 50 atm. and 150°C 20 kgf/cm² & 110°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 50 atm. and 150°C 20 kgf/cm² & 110°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of diesel/kerosene (>50°C) is determined by the Saybolt chromometer Abel apparatus Pensky-Martens apparatus None of these Saybolt chromometer Abel apparatus Pensky-Martens apparatus None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are All of these Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell Undesirable in petrol, as they reduce its octane number All of these Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell Undesirable in petrol, as they reduce its octane number ANSWER DOWNLOAD EXAMIANS APP
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