Petroleum Refinery Engineering 'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts. Desulphurisation Steam reforming Distillation None of these Desulphurisation Steam reforming Distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of smoke point Removal of sulphur Improvement of viscosity index Reduction of breathing loss Improvement of smoke point Removal of sulphur Improvement of viscosity index Reduction of breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Percentage of straight run gasoline in a typical crude oil may be around 38 6 52 18 38 6 52 18 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In sweetening process, solutizer agent used with caustic alkali is Potassium isobutyrate Phenol Methanol Sodium plumbite Potassium isobutyrate Phenol Methanol Sodium plumbite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Mercaptans Paraffins Aromatics Naphthenic acid Mercaptans Paraffins Aromatics Naphthenic acid 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 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 Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
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