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 Reduce gum content in gasoline Increase the yield of light distillates Suppress coke formation Enhance the octane number of gasoline Reduce gum content in gasoline Increase the yield of light distillates Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Paraffin Mixed Asphalt Naphthenic Paraffin Mixed Asphalt Naphthenic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest flash point of all? Kerosene Petrol Diesel Furnace oil Kerosene Petrol Diesel Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane numbers of motor gasoline used in India and America are respectively 87 & 94 94 & 87 94 & 100 83 & 100 87 & 94 94 & 87 94 & 100 83 & 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum coke is used mainly in the Discoloration of yellow glycerine Sugar refining Blast furnace for reduction of iron ore Manufacture of carbon electrode Discoloration of yellow glycerine Sugar refining Blast furnace for reduction of iron ore Manufacture of carbon electrode ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Remove wax Precipitate wax Dissolve wax Depress its pour point Remove wax Precipitate wax Dissolve wax ANSWER DOWNLOAD EXAMIANS APP
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