Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Diethylene glycol Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Propane Diethylene glycol Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Propane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In sweetening process, solutizer agent used with caustic alkali is Phenol Potassium isobutyrate Methanol Sodium plumbite Phenol Potassium isobutyrate Methanol Sodium plumbite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Mixed Naphthenic Paraffin Asphalt Mixed Naphthenic Paraffin Asphalt ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Both B & C Heating Solvent extraction Cooling Both B & C Heating Solvent extraction Cooling ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 15 25 5 35 15 25 5 35 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is Same as that for olefins i.e. CnH2n CnH2n + 2 CnHn - 4 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnH2n + 2 CnHn - 4 CnH2n - 6 (where, n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
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