Refresher Practical Problems Practice Test 2025 - Free Practice Questions and Study Guide

Question: 1 / 400

What is the effective thread length of a 1/4" diameter screwed steel pipe?

1/2 "

5/8 "

The effective thread length of a 1/4" diameter screwed steel pipe is typically standardized. For a 1/4" pipe, the effective thread length corresponds to the standard dimensions outlined in plumbing regulations.

In the case of a 1/4" pipe, the effective thread length is usually 5/8". This measurement is based on industry standards for how much of the pipe is threaded effectively for connections, ensuring a stable and leak-proof seal when connecting two pipes together.

Understanding the effective thread length is crucial for plumbing and piping applications, as it affects how fittings are mated and how secure the connections are. Knowing that 5/8" is the established effective thread length helps professionals ensure that they are using the correct fittings and taking suitable measures for proper assembly and installation.

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3/4 "

7/8 "

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