New Mexico Pipe Fitter Journeyman (JPF) Practice Exam

What is one advantage of using seamless piping compared to seam welded?

1. Cheaper production costs

2. Less likely to leak

3. More flexible

4. Easier installation

The correct answer is: Less likely to leak

One significant advantage of using seamless piping compared to seam welded piping is that seamless pipes are less likely to leak. This characteristic primarily stems from the manufacturing process. Seamless pipes are created by extruding and forming the material without any joints or seams, which inherently eliminates weak points that can be susceptible to leaks caused by weaknesses or failures at weld joints. In applications where the integrity of a piping system is critical—such as in high-pressure or high-temperature environments—seamless pipes provide a more reliable option as they are continuous throughout their length. Additionally, they tend to exhibit better strength and resist corrosion more effectively due to the absence of welded joints that can be compromised by environmental factors. Although other options may present advantages under certain circumstances—like cost considerations or ease of installation—these factors do not match the vital leak resistance that seamless piping offers, making it particularly valuable for safety and performance in various industrial applications.