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 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 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Produces high octane number gasoline Increases coke formation None of these Increases the rate of reaction Produces high octane number gasoline Increases coke formation None of these Increases the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Paraffin Mixed Naphthenic Asphalt Paraffin Mixed Naphthenic Asphalt ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 3 0.03 35 70 3 0.03 35 70 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint. White Yellow Red Black White Yellow Red Black ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) None of these Saturated hydrocarbons Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) None of these Saturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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