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Plumbing Practice Exam Questions 3
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Plumbing Practice Exam Questions 2

Plumbing Practice Exam Questions

Plumbing Practice Exam Questions 3
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25 Questions

1. What is the edge of the receptacle from which water overflows called?
2. The smallest openings in strainer plates on drain inlets must be
3. The dimensions of a urinal partition shall be ____________________ from the floor, extending up to __________________.
4. How are vent sizes determined?
5. Cleanouts must be installed at ________________________________ in a building drain.
6. When is it appropriate to thread schedule 40 PVC pipe to make connections?
7. A water closet can have a concealed or hidden trap as long as the walls of the bowl are washed down completely with each flush.
8. Slip joints may only be installed
9. Homeowners are allowed to decide whether seismic supports need to be installed.
10. A water service pipe is safe lying at least ___________ from a septic tank.
11. Water must be supplied to a building at _________ of the demand rate.
12. When must a grease interceptor be installed?
13. When a water service and a building sewer are installed within 5 feet of each other, the water service has to be installed ____ in. above the building sewer.
14. What is the maximum length allowed for an indirect drain from a refrigeration coil?
15. What do vents protect from being broken?
16. How many water closets are required for a dormitory with 24 male residents?
17. A trap weir that is 3 in. in diameter can be ____________ from a vent.
18. An air gap is an acceptable substitute for an air break.
19. A ___________________ is a vent pipe that acts as both a vent and a drain.
20. What is a bathroom group?
21. Building sewers should be provided with cleanouts every _______ feet of horizontal straight run.
22. What is the smallest size vent permitted for a 4 in. soil stack?
23. Disposing of untreated liquid industrial waste into the public sewer system can result in
24. Shower walls must extend to a height of
25. One trap shall be permitted to serve a set of not more than three single-compartment sinks as long as the waste outlets are not more than _____ in. apart.

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