- Identify the three main CO detector types and explain how electrochemical sensors work
- State critical CO concentration thresholds including 9 ppm outdoor ambient, 50 ppm OSHA PEL (29 CFR 1910.1000 Table Z-1), 35 ppm NIOSH REL, 200 ppm NIOSH ceiling, and 1,200 ppm IDLH
- Demonstrate proper instrument calibration, zeroing, and response time verification
- Apply CO measurement procedures in residential and commercial combustion equipment environments
- Explain the relationship between O2, CO2, and CO in flue gas and what each reading indicates about combustion quality
- Calculate combustion efficiency using stack temperature, O2, and ambient temperature
- Perform proper combustion analyzer calibration, probe placement, and steady-state testing
- Interpret air-free CO readings and determine when combustion adjustments are required
Ready to test your knowledge?
Take the practice exam to see how well you've mastered the material.
Ready to test your knowledge?
Take the practice exam to see how well you've mastered the material.
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