1. A gas consists of 60% propane (C3H8) and 40% ethane (C2H6) by volume. Calculate:

 (a)The stoichiometric air-to-fuel ratio considering air to have N2 and O2 in 79:21 ratio and

 (b)The percentage excess air present if a dry analysis of the combustion products shows 5% CO2 (Assume complete combustion)

Answer rating: 100% (QA)

Basis 1 mole of gas mixture containing 06 moles of propane C3H8 and 04 mole of ethane C2H6 Molecular ... View the full answer