Podcast
Questions and Answers
Which method is commonly used to detect carbon monoxide (CO) in combustion flue gases at low levels?
Which method is commonly used to detect carbon monoxide (CO) in combustion flue gases at low levels?
- Electro-galvanic
- Chemiluminescent
- Optical (fluorescence)
- Non-dispersive infrared (NDIR) (correct)
Which gases are not detected by the non-dispersive infrared (NDIR) method?
Which gases are not detected by the non-dispersive infrared (NDIR) method?
- Carbon dioxide, sulfur, and nitrogen compounds
- Oxygen, hydrogen, and nitrogen (correct)
- Carbon monoxide
- Methane and other hydrocarbons
What is the standard method for analyzing sulfur dioxide (SO2)?
What is the standard method for analyzing sulfur dioxide (SO2)?
- Optical (fluorescence)
- Electro-galvanic
- Non-dispersive infrared (NDIR)
- Ultraviolet fluorescence (correct)
Which type of extractive monitoring involves diluting the flue gas with clean, dry air before sending it to the analyzer?
Which type of extractive monitoring involves diluting the flue gas with clean, dry air before sending it to the analyzer?
What technology uses infrared sensors to measure flue gas components?
What technology uses infrared sensors to measure flue gas components?
Which type of analyzer uses zirconium oxide fuel cells to measure oxygen concentration in flue gases?
Which type of analyzer uses zirconium oxide fuel cells to measure oxygen concentration in flue gases?
What is the purpose of a sample conditioner in extractive sampling?
What is the purpose of a sample conditioner in extractive sampling?
Which type of flue gas analyzer measures only the carbon dioxide (CO2) content of the sample?
Which type of flue gas analyzer measures only the carbon dioxide (CO2) content of the sample?
What is the difference between wet and dry flue gas samples?
What is the difference between wet and dry flue gas samples?
What is the difference between in situ analysis and extractive analysis?
What is the difference between in situ analysis and extractive analysis?
