Massachusetts Plumbers Journeyman Practice Exam

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Study for the Massachusetts Plumbers Journeyman Exam. Prepare with multiple choice questions, hints, and detailed explanations. Ace your licensing exam with confidence!

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When piping is installed outside of and below a footing, what should the piping not do in relation to the soil's bearing value?

  1. Reduce the soil's moisture content

  2. Enhance the soil's compaction

  3. Destroy the soil's bearing value

  4. Improve the soil's drainage

The correct answer is: Destroy the soil's bearing value

When piping is installed outside of and below a footing, it is crucial that the piping does not destroy the soil's bearing value. The bearing value of soil is the ability of the soil to support loads without undergoing excessive settlement or failure. If the installation of plumbing systems disrupts this value, it could lead to structural issues like settling or cracking of the footing and the structure above it. The correct answer emphasizes the importance of maintaining the integrity of the soil's bearing capacity. When piping is laid improperly, or if the work leads to voids, soil displacement, or water infiltration that weakens the soil's structure, it can indeed compromise the bearing value. Maintaining a stable and adequate bearing capacity is critical in construction to ensure safety and durability. The other choices relate to aspects that might affect the soil differently. Reducing moisture content could potentially stabilize the soil, enhancing compaction could support the structure positively, and improving drainage is typically beneficial for soil health. None of these options encapsulate the direct negative impact that improper piping installation can have on the soil's ability to support loads.