Petroleum Refinery Engineering Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm. 10 5 25 100 10 5 25 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its octane number Increase its smoke point Reduce gum formation Reduce the pour point Increase its octane number Increase its smoke point Reduce gum formation Reduce the pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 1 to 5 250 to 350 30 to 80 450 to 500 1 to 5 250 to 350 30 to 80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point of high speed diesel may be about __________ °C. 35 150 70 105 35 150 70 105 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. With increase in the reactor temperature, gasoline yield decreases for a given conversion With increase in the reactor pressure, octane number of gasoline decreases All of these Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion With increase in the reactor pressure, octane number of gasoline decreases All of these Percentage conversion increases with increase in the catalyst to oil ratio ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural Methyl ethyl ketone & glycol ANSWER DOWNLOAD EXAMIANS APP
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