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 Decreases Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Can be separated out by distillation Are not soluble in them Decrease their viscosity Crystallise out at low temperature Can be separated out by distillation Are not soluble in them Decrease their viscosity Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes is used for the production of petroleum coke? Reforming Visbreaking Cracking Stabilisation Reforming Visbreaking Cracking Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest cetane number? Olefins I-paraffins Naphthene Aromatics Olefins I-paraffins Naphthene Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a solvent in deasphalting of petroleum products? Liquid sulphur dioxide Propane Methyl ethyl ketone Furfural Liquid sulphur dioxide Propane Methyl ethyl ketone Furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Remove wax Precipitate wax Dissolve wax Depress its pour point Remove wax Precipitate wax Dissolve wax Depress its pour point ANSWER DOWNLOAD EXAMIANS APP
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