A certain crude oil shows the following ultimateanalysis: C=87.1% and H2=12.9%. The volumetric analysis of the dryflue gas resulting from the combustion of this oil shows CO2=12%,O2=4.6%, CO=0%, and N2=83.4%
a. Theoretical Air-Fuel Ratio
b. Actual Air Fuel Ratio
c. Excess air in Percent