Rhode Island Journeyman Plumber Practice Exam 2025 - Free Journeyman Plumber Practice Questions and Study Guide

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What does PSI stand for in relation to plumbing systems?

Pounds per square inch

PSI stands for Pounds per Square Inch, a standard unit of pressure measurement commonly used in plumbing to quantify the pressure of water in pipes and systems. Understanding PSI is crucial for plumbers, as it helps determine whether a plumbing system can withstand the forces exerted by water flow and pressure. Proper pressure management is essential for avoiding issues such as leaks, bursts, or inefficient water flow. The other options do not represent widely recognized or utilized terms in plumbing, making them less relevant in this context. For instance, the notion of "pipes sealed internally" does not directly relate to pressure metrics, while "pressure strength indication" and "plumbing system integrity" are not standard definitions used in the field when discussing pressure units like PSI.

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Pipes sealed internally

Pressure strength indication

Plumbing system integrity

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