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Questions and Answers
Which gas component is specifically measured in the flue gas analysis to determine combustion efficiency?
Which gas component is specifically measured in the flue gas analysis to determine combustion efficiency?
- Carbon dioxide (CO2)
- Oxygen (O2) (correct)
- Carbon monoxide (CO)
- Nitrogen (N2)
What is the primary purpose of stack emissions monitoring?
What is the primary purpose of stack emissions monitoring?
- To analyze the products of combustion in the flue gas
- To measure the various individual components of the flue gas
- To determine the efficiency of the combustion process
- To monitor the components emitted to atmosphere above certain limits (correct)
How are flue gas constituents typically listed?
How are flue gas constituents typically listed?
- By mole fraction
- By parts per million (ppm)
- By percent weight
- By percent volume (correct)
According to Table 13, what is the trend between excess air and flue gas CO2 levels?
According to Table 13, what is the trend between excess air and flue gas CO2 levels?
According to Example 23, what are the CO2 and O2 percentages in the flue gas of a coal-fired plant with excess air calculated at 60%?
According to Example 23, what are the CO2 and O2 percentages in the flue gas of a coal-fired plant with excess air calculated at 60%?
According to the formulas provided, how is the theoretical air required to burn fuel calculated?
According to the formulas provided, how is the theoretical air required to burn fuel calculated?
According to Example 24, what is the percent of excess air used in a coal-fired boiler with the given fuel and flue gas analysis?
According to Example 24, what is the percent of excess air used in a coal-fired boiler with the given fuel and flue gas analysis?
Which of the following is the correct conversion from percent by volume to parts per million (ppm)?
Which of the following is the correct conversion from percent by volume to parts per million (ppm)?
What is the conversion of 0.01% CO to parts per million (ppm)?
What is the conversion of 0.01% CO to parts per million (ppm)?
What is the conversion of 0.05% NO^2 to parts per million (ppm)?
What is the conversion of 0.05% NO^2 to parts per million (ppm)?
What is the conversion of 200 ppm NO^2 to percent by volume?
What is the conversion of 200 ppm NO^2 to percent by volume?
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