Which of the following best describes a "Pressure Piping System"?

• A. A combination of components that transport electrical energy
• B. A system for the conveyance of an expansible fluid under pressure
• C. A structural system that supports pressure vessels
• D. A design document for pressure equipment

Answer: (B)

A "Pressure Piping System" is defined as a system that conveys an expansible fluid under pressure. This definition encompasses the critical aspects of such systems, which include the transport of fluids that can change in volume or state due to pressure variations. In industrial contexts, these fluids are often gases or liquids that require specific management to ensure safe and efficient transportation.

In a pressure piping system, the infrastructure often consists of pipes, fittings, valves, and other components designed to maintain the integrity of the system while under pressure. The focus on "expansible fluid" highlights the need for the system to accommodate changes in fluid characteristics, which is crucial for applications such as heating, cooling, and various chemical processes.

The other options, while related to the broader field of industrial systems, do not accurately capture the essence of a pressure piping system. They either misidentify the primary function—like transporting electrical energy—or relate to supporting structures or design documentation rather than the conveyance of fluids under pressure. Understanding this definition is essential for those involved in the design, installation, or maintenance of piping systems in various industries.