1.

CO=40%, H2=12%, CO2=6%, CH2=2%, N2=50% are the components in the coal. What will be the composition of the dry flue gas, if the 50% excess air was used for burning 100m3 of gas?

A. CO<sub>2</sub>=14.9%,N<sub>2</sub>=80%,O<sub>2</sub>=5.2%
B. CO<sub>2</sub>=12.2%,N<sub>2</sub>=70.8%,O<sub>2</sub>=6.5%
C. CO<sub>2</sub>=14.9%,N<sub>2</sub>=79.9%,O<sub>2</sub>=5.2%
D. CO<sub>2</sub>=13%,N<sub>2</sub>=77%,O<sub>2</sub>=75
Answer» D. CO<sub>2</sub>=13%,N<sub>2</sub>=77%,O<sub>2</sub>=75


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