Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
What is the primary purpose of a water pressure regulator?
✔✔ To control and maintain a consistent water pressure within the plumbing system
What does the term "backflow" refer to in plumbing?
✔✔ The unwanted reverse flow of water or chemicals into the potable water supply
What is the function of a check valve?
✔✔ To allow fluid to flow in only one direction and prevent backflow
What is a trap used for in plumbing?
✔✔ To prevent sewer gases from entering the living spaces by holding a small amount of water
What is the difference between PVC and CPVC pipe?
✔✔ PVC is used for cold water systems, while CPVC is used for hot and cold water systems
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, What is the purpose of a vent pipe in a plumbing system?
✔✔ To allow air to enter the system and equalize pressure, preventing water seal loss in traps
What is the role of a sump pump?
✔✔ To remove water that accumulates in a sump basin, typically in basements
What is a sanitary tee used for in plumbing?
✔✔ To connect horizontal and vertical drain lines, allowing for efficient drainage
What is the purpose of a hose bibb in plumbing?
✔✔ To provide an outdoor water faucet for garden hoses or other water needs
What is a DWV system in plumbing?
✔✔ A system designed to handle drains, waste, and venting of wastewater
What does the term "fixture unit" refer to in plumbing?
✔✔ A standardized measurement used to estimate the water demand for plumbing fixtures
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