Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Higher ignition temperature Higher specific gravity Lower calorific value Lower octane number Higher ignition temperature Higher specific gravity Lower calorific value Lower octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of reformed gasoline may be upto 90 60 70 80 90 60 70 80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Discoloration Thermal cracking Coking Gum formation Discoloration Thermal cracking Coking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering True vapour pressure of a petroleum fraction __________ Reid vapour pressure. May be either more or less than Is same as Is less than Is more than May be either more or less than Is same as Is less than Is more than ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Organometallic compounds Nitrogen compounds Sulphur compounds Oxygen compounds Organometallic compounds Nitrogen compounds Sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be 0 70 ∞ 100 0 70 ∞ 100 ANSWER DOWNLOAD EXAMIANS APP