Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Silica-magnesia Silica-alumina All of these Bentonite clays Silica-magnesia Silica-alumina All of these Bentonite clays 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 Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is a non-regenerative fixed bed catalytic reforming process? Hydroforming Thermofer catalytic reforming Platforming Hyperforming Hydroforming Thermofer catalytic reforming Platforming Hyperforming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Glycol added to petrol acts as a/an __________ agent. Anti-icing Anti-gum forming Anti-knocking Dewaxing Anti-icing Anti-gum forming Anti-knocking Dewaxing ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Potassium isobutyrate Sodium plumbite Cupric chloride Sodium hydroxide Potassium isobutyrate Sodium plumbite Cupric chloride Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main reaction in reforming is the Hydrogenation of naphthenes Hydrocracking of paraffins Saturation of olefins Dehydrogenation of naphthenes Hydrogenation of naphthenes Hydrocracking of paraffins Saturation of olefins Dehydrogenation of naphthenes ANSWER DOWNLOAD EXAMIANS APP
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