AK HVAC Practice Questions - Alaska Mechanical Administrator HVAC License Exam

What is the standard method for checking an oil-fired furnace heat exchanger for cracks?

Visual inspection only Perform a combustion analysis and check for elevated CO in the supply air plenum, combined with visual inspection using a mirror and flashlight Listen for unusual noises Check the oil filter for discoloration

Correct Answer:

Perform a combustion analysis and check for elevated CO in the supply air plenum, combined with visual inspection using a mirror and flashlight

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