Petroleum Refinery Engineering Molecular weight of crude oil is in the range of 450-550 230-250 100-120 600-850 450-550 230-250 100-120 600-850 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of reformed gasoline may be upto 80 70 60 90 80 70 60 90 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 Which of the following is desirable in diesel and kerosene but is undersirable in gasoline? Aromatics Paraffins Mercaptans Naphthenic acid Aromatics Paraffins Mercaptans Naphthenic acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum None of these Saturated hydrocarbons Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum None of these Saturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 50 5 25 100 50 5 25 100 ANSWER DOWNLOAD EXAMIANS APP
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