3. The following is the analysis of a supply of coal gas: H2 = 49.4%; CO = 18%; CH4 = 20%; CHp = 2%; O2 = 0.4%N2 = 6.2%;

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3 The Following Is The Analysis Of A Supply Of Coal Gas H2 49 4 Co 18 Ch4 20 Chp 2 O2 0 4 N2 6 2 1 (31.33 KiB) Viewed 12 times

3. The following is the analysis of a supply of coal gas: H2 = 49.4%; CO = 18%; CH4 = 20%; CHp = 2%; O2 = 0.4%N2 = 6.2%; CO2 = 4%. (1) Calculate the stoichiometric A/F ratio. (1) Find also the wet and dry analyses of the products of combustion if the actual mixture is 20% excess air 4. Find the stoichiometric air-fuel ratio for the combustion of ethyl alcohol (C2H60), in a petrol engine. Calculate the air-fuel ratios for the extreme mixture strengths of 90% and 120%. Determine also the wet and dry analyses by volume of the exhaust gas for each mixture strength