Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the Elimination of solvent drying facility Lower solvent dilution ratio Higher nitration temperature All of these Elimination of solvent drying facility Lower solvent dilution ratio Higher nitration temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Electrical desalting of crude oil removes the __________ impurities. Both A & B Oleophilic Neither A nor B Oleophobic Both A & B Oleophilic Neither A nor B Oleophobic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Produces gasoline only Produces fuel oil of lower viscosity Uses natural gas as feed Is carried out at atmospheric pressure Produces gasoline only Produces fuel oil of lower viscosity Uses natural gas as feed Is carried out at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke volatility index is equal to smoke point plus 0.84 x (% distilled at 204°C) 10 mm. approximately 0.42 x(% distilled at 204°C) 5 mm 0.84 x (% distilled at 204°C) 10 mm. approximately 0.42 x(% distilled at 204°C) 5 mm ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Antioxidants are added in petrol to Minimise the gum formation Impart colour to it, for easy identification Prevent icing of the carburettor Prevent the lead build up in engines Minimise the gum formation Impart colour to it, for easy identification Prevent icing of the carburettor Prevent the lead build up in engines ANSWER DOWNLOAD EXAMIANS APP
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