The analysis of natural gas fuel used in a gas turbine power plant has the following percentage by volume : CH4 =80%, H2 = 10%, C2H4 = 5%, CO = 2% and the remaining non-combustible gases. Find the...

The analysis of natural gas fuel used in a gas turbine power plant has the following percentage by volume : CH4 =80%, H2 = 10%, C2H4 = 5%, CO = 2% and the remaining non-combustible gases. Find the volume of air supplied per hour if the gas consumption is 20,000 cu.m/ hr assuming 40% excess air.