Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. High solubility of wax in the solvent Both A & B Neither A nor B Complete miscibility with oil High solubility of wax in the solvent Both A & B Neither A nor B Complete miscibility with oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Both A & B Aromatics content Molecular weight Neither A nor B Both A & B Aromatics content Molecular weight Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Increase in thermal energy per unit weight Higher H/C ratio Decrease in paraffin content Increase in aromatic content Increase in thermal energy per unit weight Higher H/C ratio Decrease in paraffin content Increase in aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 2 4 3 1 2 4 3 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher sulphur content in the product Gives higher yield of petrol Higher gum forming material in petrol Lower octane number of petrol Higher sulphur content in the product Gives higher yield of petrol Higher gum forming material in petrol Lower octane number of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main aim of cracking is to produce Lube oil Coke Petrolatum Gasoline Lube oil Coke Petrolatum Gasoline ANSWER DOWNLOAD EXAMIANS APP
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