What is the primary purpose of a pipe in fluid conveyance systems?

The primary purpose of a pipe in fluid conveyance systems is to convey fluid or transmit fluid pressure. This means that pipes are specifically designed to transport liquids or gases from one location to another, ensuring that the fluid flows efficiently and effectively through the system. The structural integrity and design of pipes allow them to handle various pressures and flow rates, facilitating the movement of fluid under different conditions.

While reducing resistance can be a beneficial feature of certain pipe designs, and maintaining temperature might be relevant in specific applications, these aspects do not define the primary function of a pipe. Additionally, filtering contaminants is an entirely different process that typically involves separate systems or components, not the fundamental role of pipes in fluid dynamics. Therefore, the correct answer emphasizes the essential role of pipes in enabling fluid transport and pressure transmission across various applications.