Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Sodium hydroxide Cupric chloride Sodium plumbite Potassium isobutyrate Sodium hydroxide Cupric chloride Sodium plumbite Potassium isobutyrate 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
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. Distillation Steam reforming Desulphurisation None of these Distillation Steam reforming Desulphurisation None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrogenation of naphthene Dehydrogenation of lower paraffins Dehydrocyclisation of higher paraffins Isomerisation of paraffins Dehydrogenation of naphthene Dehydrogenation of lower paraffins Dehydrocyclisation of higher paraffins Isomerisation of paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be 97 79 >100 87 97 79 >100 87 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Glycol added to petrol acts as a/an __________ agent. Anti-knocking Dewaxing Anti-icing Anti-gum forming Anti-knocking Dewaxing Anti-icing Anti-gum forming ANSWER DOWNLOAD EXAMIANS APP
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