Petroleum Refinery Engineering Research octane number refers to the High octane number aviation fuels Unleaded motor fuels Low octane number motor fuels High octane number motor fuels High octane number aviation fuels Unleaded motor fuels Low octane number motor fuels High octane number motor fuels ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Visbreaking Coking None of these Pyrolysis Visbreaking Coking None of these Pyrolysis ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In sweetening process, solutizer agent used with caustic alkali is Phenol Sodium plumbite Methanol Potassium isobutyrate Phenol Sodium plumbite Methanol Potassium isobutyrate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its smoke point Reduce the pour point Reduce gum formation Increase its octane number Increase its smoke point Reduce the pour point Reduce gum formation Increase its octane number ANSWER DOWNLOAD EXAMIANS APP
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 All of these Lower solvent dilution ratio Higher nitration temperature Elimination of solvent drying facility All of these Lower solvent dilution ratio Higher nitration temperature Elimination of solvent drying facility ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Fluctuation of ambient temperature during day and night Presence of unsaturated air Neither A nor B Both A & B Fluctuation of ambient temperature during day and night Presence of unsaturated air Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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