In terms of tank corrosion, what preventative measures are specified in API 650?

• A. Only routine tank cleaning
• B. Material selection and design practices
• C. Insulation methods exclusively
• D. No measures specified

Answer: (B)

The correct answer is rooted in the comprehensive approach that API 650 establishes for preventing corrosion in welded tanks used for oil storage. Specifically, the standard emphasizes the importance of material selection and design practices tailored to withstand the environmental conditions and the type of contents stored in the tank.

Selecting appropriate materials is crucial, as different metals and coatings offer varying levels of corrosion resistance. For instance, stainless steel, certain alloys, and protective coatings can significantly extend the lifespan of a tank by resisting chemical reactions and degradation over time. Additionally, design practices, such as ensuring proper drainage to prevent water accumulation and incorporating appropriate surface finishes, play a key role in minimizing the likelihood of corrosion.

This multifaceted approach, integrating material choice and design considerations, is vital for maintaining the integrity and safety of oil storage tanks. The alternative options do not capture the breadth of corrosion prevention strategies specified in API 650. Routine tank cleaning, while important, is not the sole measure and does not provide ongoing protection. Insulation can help in some circumstances but is not a comprehensive solution for corrosion. Lastly, stating that no measures are specified overlooks the fundamental guidelines laid out in the standard to address corrosion effectively.