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