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