Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. None of these Electric immersion Steam coil Pipestill None of these Electric immersion Steam coil Pipestill ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Causes aromatics to combine with each other Produces i-octane from cracked gases containing i-butane and butene Causes olefins to combine with each other Is aimed at producing lubricating oil Causes aromatics to combine with each other Produces i-octane from cracked gases containing i-butane and butene Causes olefins to combine with each other Is aimed at producing lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering True vapour pressure of a petroleum fraction __________ Reid vapour pressure. Is less than Is more than Is same as May be either more or less than Is less than Is more than Is same as May be either more or less than ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Suppress coke formation Enhance the octane number of gasoline Increase the yield of light distillates Reduce gum content in gasoline Suppress coke formation Enhance the octane number of gasoline Increase the yield of light distillates Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is a/an __________ compound. Oxygen Nitrogen None of these Sulphur Oxygen Nitrogen None of these Sulphur ANSWER DOWNLOAD EXAMIANS APP