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General Plumbing Regulations
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Avg score: 67% Most missed: “Backflow preventers must be inspected and tested at least once a year.”
General plumbing regulations govern the safe installation, alteration, and maintenance of water supply and sanitary systems to ensure structural integrity, public health, and compliance. Key standards require using certified materials, proper pipe sizing, preventing cross-connections, and ensuring correct slopes for drainage, typically conforming to local codes.  Key General Plumbing Regulations: Approval & Standards: All materials, pipes, and fittings must be third-party certified, approved by local authorities, and comply with standard specifications. Structural Integrity: Installations... Show more
General Plumbing Regulations
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25 Questions

1. How many toilet facilities are required for 25 construction workers when they are serviced weekly?
2. Pipe and fitting sizes referred to in the code are all in ID sizes.
3. When testing a water supply system with air, the minimum test pressure must be 50 psi.
4. For a test pressure of 50 psig, a gauge with increments of 2 psig may be used.
5. Pipes and fittings with the manufacturer’s identification on them are the only ones that can be used.
6. If a building drain is made of cast iron it may pass through the building foundation without a sleeve.
7. As long as a door can be opened at least 65 degrees, it is allowable for the door to come into contact with a plumbing fixture.
8. Which item cannot be put into a building drainage system?
9. The smallest openings in strainer plates on drain inlets must be no larger than __________.
10. Townhouses can share water and sewer services.
11. Toilets are required for construction sites with no permanent facilities.
12. Outdoor water supplies must be buried a minimum of 12 in. below grade.
13. When the testing of a new drainage system is under way, the inspector provides
14. New drainage systems constructed of cast-iron pipe can be tested with air pressure.
15. If a sink will only have intermittent use, it is not necessary to connect it to the building’s water supply system.
16. Storm drainage systems are tested with a different procedure than sanitary drainage systems.
17. Water supply systems made of any approved material can be tested with compressed air.
18. A large rock can be included in backfill above a pipe in a trench
19. Piping in a trench must always be continuously supported on unexcavated earth.
20. Which individual is responsible for testing a new plumbing system?
21. All medical waste is approved for direct disposal in the sanitary sewer.
22. Plumbing systems cannot be located in
23. The UPC requires plumbing systems in buildings installed before the current code was adopted to be brought to meet current code standards.
24. A trench for a soil pipe can be dug next to a footing to a depth of no more than 12 in. below the base of the footing.
25. Backflow preventers must be inspected and tested at least once a year.