Why must a boilermaker know plumbing principles?

A boilermaker must know plumbing principles primarily to properly install and maintain boiler piping systems. Understanding plumbing is essential because boilermakers work extensively with the systems that transport water and steam within a boiler. This includes the installation of pipes that connect various components, ensuring they are sealed correctly to prevent leaks and operate efficiently. Knowledge of plumbing also covers pressure regulations, flow dynamics, and material compatibility, all of which are critical to maintaining a safe and effective boiler operation.

The other options pertain to different areas of expertise. Managing electrical connections is more aligned with electrical work, while optimizing fuel efficiency and ensuring compliance with emission standards involve combustion engineering and environmental regulations, respectively. While understanding these areas can benefit a boilermaker, the core necessity lies in plumbing principles as they relate directly to the boilermaker's primary functions.