Combustion Gas Analysis Quiz

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Which of the following is the correct conversion from percent by volume to parts per million (ppm)?

Multiply the percentage by 10,000 (correct)

Multiply the percentage by 100

Multiply the percentage by 1,000,000

Multiply the percentage by 1000

What is the conversion of 0.01% CO to parts per million (ppm)?

1 ppm CO

100 ppm CO (correct)

1000 ppm CO

10 ppm CO

What is the conversion of 0.05% NO^x to parts per million (ppm)?

5000 ppm NO^x

5 ppm NO^x

50 ppm NO^x

500 ppm NO^x (correct)

What is the conversion of 200 ppm NO^x to percent by volume?

0.02% NO^x Signup and view all the answers

According to Table 13, what is the trend between excess air and flue gas CO^?

As excess air increases, flue gas CO^ decreases. Signup and view all the answers

From Table 13, what is the CO^ percentage for natural gas with 30% excess air?

10.6% Signup and view all the answers

What are the CO^ and 0^ percentages by volume for a coal-fired plant with 60% excess air?

CO^ = 11.3%, 0^ = 8% Signup and view all the answers

Using the given formulas, what is the percentage of excess air for a coal-fired boiler with a flue gas sample of 002 = 10.4%, CO = 0.2%, 02 = 7.8%, and N2 = 81.6%?

15.3% Signup and view all the answers

Which of the following is the primary purpose of flue gas analysis?

To determine the efficiency and completeness of the combustion process Signup and view all the answers

Which units are most commonly used to list flue gas constituents?

Percent volume Signup and view all the answers

What additional components are included in stack emissions monitoring, in addition to those analyzed in flue gas analysis?

Particulates, SO-^, and mercury Signup and view all the answers

Combustion Gas Analysis Quiz

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Questions and Answers

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 0.05% NO^x to parts per million (ppm)?

What is the conversion of 200 ppm NO^x to percent by volume?

According to Table 13, what is the trend between excess air and flue gas CO^?

From Table 13, what is the CO^ percentage for natural gas with 30% excess air?

What are the CO^ and 0^ percentages by volume for a coal-fired plant with 60% excess air?

Using the given formulas, what is the percentage of excess air for a coal-fired boiler with a flue gas sample of 002 = 10.4%, CO = 0.2%, 02 = 7.8%, and N2 = 81.6%?

Which of the following is the primary purpose of flue gas analysis?

Which units are most commonly used to list flue gas constituents?

What additional components are included in stack emissions monitoring, in addition to those analyzed in flue gas analysis?

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