quiz\nall of these are areas where corrosion protection should be used except:\na. where original coatings…

Brief Explanations:

Composite materials are generally resistant to corrosion due to their non - metallic nature and composition, so corrosion protection is not typically needed on them. In contrast, areas with disturbed coatings, replaced welded parts, and refinished surfaces are vulnerable to corrosion and require protection.

Answer:

C. On composite parts.