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