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