Petroleum Refinery Engineering Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. 70 90 50 140 70 90 50 140 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. Olefins Aromatics N-paraffins None of these Olefins Aromatics N-paraffins None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 2 3 4 1 2 3 4 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Paraffins Mercaptans Naphthenic acid Aromatics Paraffins Mercaptans Naphthenic acid Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Methyl ethyl ketone (MEK) Diethylene glycol Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol Propane Aqueous solution (10% water) of diethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Remove wax Depress its pour point Dissolve wax Precipitate wax Remove wax Depress its pour point Dissolve wax Precipitate wax ANSWER DOWNLOAD EXAMIANS APP
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