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 Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Coking Pyrolysis Visbreaking None of these Coking Pyrolysis Visbreaking None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic alkylation, higher iso-butane to olefin ratio gives Low final boiling point product Both A & B Neither A nor B Higher yield Low final boiling point product Both A & B Neither A nor B Higher yield ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms. 1.5 to 4.5 0.1 to 0.5 7.5 to 12.5 15-20 1.5 to 4.5 0.1 to 0.5 7.5 to 12.5 15-20 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not an important property of fuel oil/furnace oil? Flash point Viscosity Sulphur content Aniline point Flash point Viscosity Sulphur content Aniline point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The coking process normally mostly used in Indian oil refineries is the __________ coking process. Fluid Delayed Contact Flexi Fluid Delayed Contact Flexi ANSWER DOWNLOAD EXAMIANS APP
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