California Designated Operator Practice Exam

Corrodible materials used for underground piping must be protected against what?

1. Corrosion

2. Fire damage

3. Environmental factors

4. Heavy traffic

The correct answer is: Corrosion

The protection of corrodible materials used for underground piping must focus on corrosion because these materials are susceptible to degradation when exposed to moisture, soil elements, and chemical reactions that can occur over time. While environmental factors, fire damage, and heavy traffic may pose risks to various aspects of infrastructure, the specific threat to underground piping made from corrodible materials is primarily corrosion. This can lead to leaks or complete failure of the piping system, which can have significant implications for safety, environmental integrity, and operational efficiency. To mitigate corrosion, various protection methods may be employed, such as protective coatings, corrosion inhibitors, cathodic protection systems, or the use of non-corrodible materials. Ensuring that piping systems are shielded from corrosion is crucial in maintaining their structural integrity and prolonging their lifespan, thereby ensuring reliable water or gas delivery and minimizing maintenance costs.