Determine the air-fuel ratio on a mass basis

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Reference no: EM13949624

1. A fuel oil having an analysis on a mass basis of 85.7% C, 14.2% H, 0.1% inert matter burns with air to give products with a dry molar analysis of 12.29% CO2, 3.76% O2, 83.95% N2. Determine the air-fuel ratio on a mass basis.

2. Ethyl alcohol (C2H5OH) burns with air. The product gas is analyzed and the laboratory report gives only the following percentages on a dry molar basis: 6.9% CO2, 1.4% CO, 0.5% C2H5OH. Assuming the remaining components consist of O2 and N2, determine

(a) the percentages of O2 and N2 in the dry molar analysis.

(b) the percent excess air.

Reference no: EM13949624

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