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