Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Phenol & furfural Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 20 kgf/cm² & 110°C 50 atm. and 150°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Mixed Paraffin Asphalt Naphthenic Mixed Paraffin Asphalt Naphthenic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most undesirable component in kerosene? N-paraffins Aromatics Naphthenes I-paraffins N-paraffins Aromatics Naphthenes I-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'. 15 25 5 1 15 25 5 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene. Smoke point Paraffins Aromatics Naphthenes Smoke point Paraffins Aromatics Naphthenes ANSWER DOWNLOAD EXAMIANS APP
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