Which organization’s standards should fuel oil piping be tested in accordance with?

The correct answer is NFPA 31. This standard specifically pertains to the installation of oil-burning equipment and fuel oil piping systems. NFPA 31 provides comprehensive guidelines designed to ensure safe practices throughout the entire handling, storage, and installation of fuel oil piping. Adhering to NFPA 31 during testing ensures that installations meet the necessary safety measures and are compliant with industry standards.

The other organizations listed, while influential in various aspects of mechanical and engineering compliance, focus on different areas. ASME (American Society of Mechanical Engineers) primarily deals with pressure vessels and piping design standards, while ANSI (American National Standards Institute) oversees the creation and promotion of consensus standards across multiple sectors without necessarily focusing on specific materials like fuel oil. ISO (International Organization for Standardization) develops standards that cover a wide range of processes and practices globally, but it does not specifically focus on fuel oil piping testing in the way that NFPA 31 does. Therefore, for fuel oil piping testing, NFPA 31 is the relevant and appropriate standard to follow.