Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur Alkylation of unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the Neither A nor B Measure of aromatic content of oil Characteristic property of diesel & lubricating oils Both A & B Neither A nor B Measure of aromatic content of oil Characteristic property of diesel & lubricating oils Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Coking Visbreaking Pyrolysis None of these Coking Visbreaking Pyrolysis None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water. Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of gasoline is a measure of its Resistance to knock Ignition delay Smoke point Ignition temperature Resistance to knock Ignition delay Smoke point Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Increase its calorific value 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 ANSWER DOWNLOAD EXAMIANS APP
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