What type of equipment must be coated or protected to minimize corrosion when buried or mounded?

Prepare for the Propane Certification Test. Study with targeted flashcards and multiple-choice questions, each offering hints and insights. Ensure your readiness for the exam!

The correct answer is metallic equipment. When metallic components are buried or mounded, they are susceptible to corrosion due to moisture, soil composition, and the presence of chemicals in the ground. As a result, protective measures such as coating with paint, using galvanization, or applying special corrosion-resistant materials are critical in preserving the integrity and longevity of these components.

Metallic equipment includes pipelines, tanks, and fittings, which are commonly used in propane storage and distribution. Without proper protection, these metals can degrade over time, leading to leaks, failures, and safety hazards. Protective coatings help to create a barrier that separates the metal surface from corrosive elements that could otherwise lead to deterioration.

In contrast, plastic, ceramic, and wooden materials do not generally require the same level of corrosion protection, as they do not corrode in the traditional sense like metals do, making them less relevant in this particular context.

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