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Académie
HVAC
NATE Hydronics Oil Service Specialty
Water Treatment
Vérification des connaissances
Water Treatment
Vérification des connaissances
Vérification des connaissances
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A hydronic system shows corrosion-stained water (reddish-brown color) when drained for service. What does this indicate?
A
The pH of the water is too high
B
Active iron corrosion is occurring in the system due to oxygen presence, acidic pH, or galvanic action between dissimilar metals
C
The glycol has degraded and is producing colored byproducts
D
The system was filled with well water containing iron - no corrosion is present
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