If corrosion is assessed as Stage 4, which category code is assigned?

Effortlessly prepare for the Technician I Corrosion Test with engaging flashcards and explanatory multiple-choice questions. Boost your knowledge and feel confident on exam day!

Multiple Choice

If corrosion is assessed as Stage 4, which category code is assigned?

Explanation:
Understanding how stage relates to category code: the system uses stage numbers to indicate how badly corrosion has progressed, and the category codes increase with severity. When corrosion is assessed as Stage 4, it sits at the higher end of severity in this set, so the corresponding category code is the highest one shown: Category Code 5. The other category codes are lower and would align with earlier stages, so they don’t match the severity of Stage 4.

Understanding how stage relates to category code: the system uses stage numbers to indicate how badly corrosion has progressed, and the category codes increase with severity. When corrosion is assessed as Stage 4, it sits at the higher end of severity in this set, so the corresponding category code is the highest one shown: Category Code 5. The other category codes are lower and would align with earlier stages, so they don’t match the severity of Stage 4.

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