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