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. Decreases Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude topping column operates at __________ pressure. Vacuum 3 atm Atmospheric 10 atm Vacuum 3 atm Atmospheric 10 atm ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Testing of the knocking characteristics of petrofuels is done in a __________ engine. CFR (Co-operative fuel research) Stirling Carnot Diesel CFR (Co-operative fuel research) Stirling Carnot Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of aromatics in Diesel increases its cetane number All of these Kerosene increases its smoke point Petrol increases its octane number Diesel increases its cetane number All of these Kerosene increases its smoke point Petrol increases its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the maximum °API gravity of all? Petrol Diesel Furnace oil Kerosene Petrol Diesel Furnace oil Kerosene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Methyl ethyl ketone & glycol Phenol & furfural Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Phenol & furfural Propane & phenol-cresol mixture Propane & liquid sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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