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Basic Corrosion Control Practice Test

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If corrosion is not fully removed prior to refinishing, what is the likely outcome?
Correct Answer:
Corrosion May Continue
Explanation:
The key idea is that a protective coating only works if the metal surface is clean of corrosion. If any corrosion is left before refinishing, it will keep oxidizing under the new coating. That ongoing corrosion can lift, crack, or blister the finish and create pathways for moisture to reach the metal, leading to continued rusting beneath the coating and eventual coating failure. So the most likely outcome is that corrosion may continue even after refinishing. The other outcomes don’t fit because leaving corrosion behind undermines adhesion and protection, so you won’t get a flawless finish or an immediate, lasting peel without future corrosion issues.

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