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Academics – Applied Heat : 2011/JUL/03
Question

Q13. A hydrocarbon fuel is burned in air and the volumetric analysis of the dry combustion products is: CO2: 10.11 %; CO: 1.68%; O2: 4.55%; N2: 83.66%. The total pressure of the products is 1.01 bar and the dew point temperature is 49.4°C. Determine EACH of the following:

(a) The mass analysis of the fuel

(b) The percentage excess air supplied.

Note: Atomic mass relationships: H = 1; C = 12; O = 16; N = 14

Air contains 21% oxygen by volume.

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