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 linearly Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon percentage (by weight) in crude petroleum may be about 85 65 75 95 85 65 75 95 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The conductivity of crude oil-water mixture depends on the PH value Temperature All of these Water percentage PH value Temperature All of these Water percentage ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sulphuric acid treatment of petroleum products removes the __________ materials. Gum forming Asphaltic Color forming All of these Gum forming Asphaltic Color forming All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'. 5 15 1 25 5 15 1 25 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is a/an __________ compound. None of these Sulphur Oxygen Nitrogen None of these Sulphur Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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