Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Tetraethyl lead None of these Tetramethyllead Ethyl nitrate or acetone Tetraethyl lead None of these Tetramethyllead Ethyl nitrate or acetone ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has maximum hydrogen/carbon ratio (by weight)? Naphtha Gasoline Diesel Fuel oil Naphtha Gasoline Diesel Fuel oil 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 Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Increase in the specific gravity of petroleum products indicates Increase in thermal energy per unit weight Increase in aromatic content Higher H/C ratio Decrease in paraffin content Increase in thermal energy per unit weight Increase in aromatic content Higher H/C ratio Decrease in paraffin content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The condesate obtained on compression of wet natural gas is termed as Liquefied natural gasoline None of these Natural gasoline Liquid natural gas Liquefied natural gasoline None of these Natural gasoline Liquid natural gas ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds All of these Undesirable in petrol, as they reduce its octane number Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds All of these Undesirable in petrol, as they reduce its octane number ANSWER DOWNLOAD EXAMIANS APP
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