Combustion Analysis I/C & S/T

1. Which of the following is NOT a product of complete (theoretical) combustion?

Heat Carbon dioxide Water Carbon monoxide

2. Why is combustion analysis a practice that can improve your business?

It reduces callback rates It limits your liability as a contractor It maintains your customers' warranties All of the above

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3. True or False: You must let your combustion analyzer warm up indoors and use that as your primary air baseline.

True False

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4. Where is a good test port location for combustion analysis on an 80% efficient furnace?

At least 6" above the inducer fan At least 8" above the inducer fan At least 10" above the inducer fan At least 12" above the inducer fan

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5. True or False: The efficiency percentage on your combustion analyzer is an approximation, NOT information that should be relied on for diagnostics.

True False

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6. What is the maximum acceptable CO air free concentration in flue gas per ANSI and AGA?

9 PPM 100 PPM 400 PPM 800 PPM

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7. Which of the following is NOT a symptom of CO poisoning?

Fever Dizziness Nausea Fatigue

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8. What is the primary air?

The first combustion analysis reading you take in the flue Air being pulled into the combustion appliance Fresh outdoor air (induced-draft furnaces only) Air sampled from the furnace's condensate drain (90%+ furnaces only)

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9. What does the Sensor Vault on the Fieldpiece combustion analyzers do?

Locks the sensors away to prevent theft Retracts the sensors and self-cleans them Seals the sensors so that they don't get contaminated by outside air None of the above

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10. When should you replace the probe particulate filter on a combustion analyzer?

If it takes longer to for the analyzer to respond If it starts looking shiny If you get CO air-free readings over 60 PPM All of the above

Combustion Analysis I/C & S/T