Red Seal Plumbing Exam 2025 – 400 Free Practice Questions to Pass the Test

Question: 1 / 400

Due to water pressure and sudden changes in water velocity, it is imperative that _______ be installed at every point where the water distribution pipe changes direction or elevation.

Thrust blocks

Thrust blocks are an important component in water distribution pipes because they help to prevent the pipes from moving or bursting due to changes in water pressure or velocity. This is especially crucial at points where the pipes change direction or elevation, as these changes can cause significant stress on the pipes. Expansion joints may seem like a viable option, but they are better suited for accommodating thermal expansion and contraction, rather than water pressure changes. Check valves and pressure regulators are also useful in regulating water flow, but they do not provide the same level of support and stability as thrust blocks. Therefore, these options are not as imperative as thrust blocks in this scenario.

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Expansion joints

Check valves

Pressure regulators

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