TEXAS PLUMBING MASTER EXAM QUESTIONS AND VERIFIED SOLUTIONS LATEST STUDY GUIDE GRADED A+.

TEXAS PLUMBING MASTER EXAM QUESTIONS AND VERIFIED SOLUTIONS LATEST STUDY GUIDE GRADED A+. 1. air gap EXPLANATION the vertical distance between the opening of the water supply and the flood level rim of a receptacle 2. branch EXPLANATION any part of the piping system other than a main, riser or stack 3. Branch vent EXPLANATION A vent connecting one or more individual vents with a ventstack or stack vent 4. Building Drain EXPLANATION is the lowest part of the drainage system which receives waste from soil and waste pipes and connects to the building sewer 5. Building sewer EXPLANATION is drainage piping that conveys waste from the building drain to the public sewer or disposal system 6. Cleanout EXPLANATION Access opening in the drainage system used to remove obstructions 7. Combination fixture EXPLANATION Two or three compartment sink drained by a continuous waste connected to one trap 8. CombinationWaste andVentsystem EXPLANATION A horizontal wet venting system forsinks and floor drains 9. CommonVent EXPLANATION A single vent serving as the vent for two fixture drains 10. critical level EXPLANATION is 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 EXPLANATION is an actual or potential tie between potable water and any source of pollution or contamination 12. Developed Length EXPLANATION A measurement of piping taken along the centerline of pipe and fittings 13. drain EXPLANATION Any pipe that conveys waste water in the drainage system 14. IndirectWaste EXPLANATION Is waste pipe that drains through an air gap to the drainage system 15. Individual vent EXPLANATION A pipe installed to vent one fixture trap.It may connect to the vent system above the fixture or terminate in the open air. 16. main EXPLANATION Is the primary or principal pipe to which branches are connected 17. potable water EXPLANATION Is waterthat issufficiently free ofimpuritiesto meet public health standards 18. Rough in EXPLANATION Parts of the plumbing system that are installed prior to the installation of fixtures. 19. Soil Pipe EXPLANATION Is drain pipe conveying sewage containing fecal matter 20. Stack Vent EXPLANATION The extension of a soil or waste stack above the highest fixture served 21. trap EXPLANATION Is a device that provides a waterseal to prevent the passage of sewer gas and allow the passage of waste 22. Trap seal EXPLANATION distance from weir to top of the dip of the trap 23. Vacuum Breaker EXPLANATION is a backflow preventer that allows air to a vacuum being pulled on a system 24. vent stack EXPLANATION A vertical vent pipe to provide circulation of air to and from the drainage system 25. Vertical pipe EXPLANATION Pipe that makes an angle of 45 degrees or more with the horizon- tal pipe 26. 6ft EXPLANATION Copper must be supported every or closer on small pipe 27. 10ft EXPLANATION Copper must be supported every on 1-1/2" or larger 28. 10 / 5 EXPLANATION Drainage pipe shall be tested with a foot head of water or air at psi 29. 32" EXPLANATION Pex 1" or smaller needs supporting every 30. Crosslink polyethylene EXPLANATION PEX stands for 31. Protected EXPLANATION Pipes shall be from breakage when passing under or through walls 32. deposited in the drainage system EXPLANATION No dangerous, flammable, poisonous, or explosive liquid shall be 33. 45 degrees EXPLANATION Trenches installed parallel to footings shall not extend below the bearing plane of the footing or wall 34. Fixtures EXPLANATION Must be set level and properly aligned with adjacent walls 35. 30 inches center t