In pipe sizing, the measurement listed for a 15-inch pipe represents which dimension?

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Study for the ADEQ Wastewater Collections 2 Test. Prepare with flashcards and multiple choice questions, each question includes hints and explanations. Get ready for your exam!

Multiple Choice

In pipe sizing, the measurement listed for a 15-inch pipe represents which dimension?

Explanation:
In pipe sizing, the number shown on a pipe is a nominal diameter that corresponds to the bore, the inside diameter that determines flow and matches fittings. The actual pipe has wall thickness that makes the outside diameter larger and varies with the pipe’s schedule, so the label isn’t the outside diameter, radius, or circumference. Therefore, a 15-inch pipe indicates the inside diameter.

In pipe sizing, the number shown on a pipe is a nominal diameter that corresponds to the bore, the inside diameter that determines flow and matches fittings. The actual pipe has wall thickness that makes the outside diameter larger and varies with the pipe’s schedule, so the label isn’t the outside diameter, radius, or circumference. Therefore, a 15-inch pipe indicates the inside diameter.

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