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 Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 70 0.03 3 35 70 0.03 3 35 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the hydrocarbon having the poorest oxidation stability. Paraffin Naphthene Olefin Aromatics Paraffin Naphthene Olefin Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? None of these Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead None of these Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has maximum hydrogen/carbon ratio (by weight)? Gasoline Diesel Naphtha Fuel oil Gasoline Diesel Naphtha Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
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