Alberta Boilers Safety Association (ABSA) Practice Test

Commercial pipe has standard sizes that vary in which of the following characteristics?

1. Weights and Threads

2. Colours and Thickness

3. Thickness and Shapes

4. Weights and Thickness

The correct answer is: Weights and Thickness

The answer focuses on the characteristics of commercial pipe dimensions as they relate to standardization in the industry. Commercial pipe is typically classified in terms of its weight and thickness, which directly affect its pressure rating, applications, and the materials it can transport safely. Thickness is crucial because it dictates the pipe's ability to withstand pressure and temperature variations encountered in various industrial applications. The weight of the pipe, often linked to its thickness and material, plays a significant role in its handling, transportation, and structural integrity when used in systems. Other characteristics such as colors or shapes do exist in piping but are not part of the standard sizing specifications that define commercial pipe classification. These attributes are more related to the aesthetic or functional design rather than the technical specifications regarding their intended use and pressure capabilities. Hence, focusing on weights and thickness provides a clearer understanding of the industry standards when it comes to commercial pipe sizes.