Which of the following statements is true regarding fuel oil piping systems?

Fuel oil piping systems are designed to handle the specific characteristics of fuel oil, which can be corrosive and requires materials that can withstand certain pressures and temperatures. Therefore, the requirement for utilizing materials specifically designed for oil services ensures that the piping system maintains its integrity, prevents leaks, and operates safely over time. Using the right materials also helps in meeting applicable standards and regulations, thereby ensuring compliance and enhancing overall safety.

The other statements are not accurate, as they imply that there are no restrictions or specific requirements regarding the materials, adherence to standards, or operational necessities for fuel oil piping systems. In reality, adhering to approved materials and relevant regulations is critical for the safe and functional design of these systems.