Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Tetramethyllead Ethyl nitrate or acetone Tetraethyl lead None of these Tetramethyllead Ethyl nitrate or acetone Tetraethyl lead None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Electrical desalting of crude oil removes the __________ impurities. Both A & B Oleophilic Neither A nor B Oleophobic Both A & B Oleophilic Neither A nor B Oleophobic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum Does not contain asphalt Does not contain aromatics Is optically active Constitutes mainly of olefins Does not contain asphalt Does not contain aromatics Is optically active Constitutes mainly of olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Nickel Alumina Sulphuric acid Silica gel Nickel Alumina Sulphuric acid Silica gel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Light ends Intermediate distillates Residues Heavy distillates Light ends Intermediate distillates Residues Heavy distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. All of these With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion ANSWER DOWNLOAD EXAMIANS APP
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