TSBPE Inspector Plumbing Exam 2026 – Texas State Board of Plumbing Examiners

TSBPE Inspector Plumbing Exam 2025 – Texas State Board of Plumbing Examiners

1. Air Gap: Plb Term - The vertical distance between the opening of the water supply and the flood level rim of a receptacle. 2. Branch: Plb Term - Any part of the piping system, except mains, stacks or risers 3. Branch Vent: Plb Term - A vent connecting individual vents with a stack vent or a vent stack. 4. Building Drain: Plb Term - The lowest part of the drainage system which receives waster from soil and waste pipes and connects to the building sewer 5. Building Sewer: Plb Term - The drainage piping that conveys waster from the building drain to the public sewer or disposal system. 6. Cleanout: Plb Term - Access opening in the drainage system used to remove obstructions. 7. Combination Fixture: Plb Term - Two or three compartment sink drained by a continuous waste connected to one trap. 8. Combination Waste and Vent: Plb Term - A horizontal wet venting system for sinks and floor drains. 9. Common Vent: Plb Term - A single vent serving as the vent for two fixture drains. 10. Critical Level: Plb Term - An elevation mark on a vacuum breaker setting the minimum elevation the device can be installed above the flood level rim of a fixture. 11. Cross Connection: Plb Term - An actual or potential tie between potable water and any source of pollution or contamination. 12. Developed Length: Plb Term - A measurement of piping taken along the cen- terline of pipe and fittings. 13. Drain: Plb Term - Any pipe that conveys waste water in the drainage system 14. Indirect Waste: Plb Term - A waste pipe that drains through an air gap to the drainage system 15. Individual Vent: Plb Term - A pipe installed to vent one fixture trap. It may connect to the vent system above the fixture or terminate to the open air. 16. Main: Plb Term - The primary or principal pipe to which branches are connected. 17. Potable Water: Plb Term - Water that is sufficiently free of impurities to meet public health standards. 18. Rough-In: Plb Term - Parts of the plumbing system installed prior to the instal- lation of fixtures. 19. Soil Pipe: Plb Term - The drain pipe conveying sewage containing fecal matter