Home > Plumbing Certification > Quizzes > Plumber's Licensing Exam: Practice Test 2
Plumber's Licensing Exam: Practice Test 2
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 57% • Most missed: “According to the IPC, a residential automatic clothes washer, one kitchen sink, …”
Plumber's Licensing Exam: Practice Test 2
Time left 00:00
25 Questions

1. In an area using the UPC, a grease interceptor with a flow capacity of 150 GPM can handle how many DFUs?
2. All plans and specifications for vacuum drainage systems must be approved by the Authority Having Jurisdiction before installation.
3. A vent terminal shall not be within 20 ft. of an air intake into a building unless it is located more than ______________ above the top of the air intake opening.
4. Fixture traps must be self-cleaning.
5. Which of the following can be placed in an elevator shaft?
6. What is the maximum slope for a horizontal storm drain?
7. How high must a vent rise above the flood-level rim of a trapped fixture?
8. The following fixture(s) must be connected to the building water distribution system.
9. To connect plastic pipe to another material, you must use
10. What is the DFU value of a bathroom group with a 1.6 GPF water closet?
11. All condensate from the steam piped to a sterilizer must be kept out of a sterilizer.
12. ____________ is the flow of liquids in potable water distribution piping in reverse of their intended path.
13. A crown vent is a vent within _________________ of the trap weir.
14. The abbreviation ______ designates the type of threads cut in pipes that forms a tapered thread commonly used in plumbing.
15. Where do you plug the sewer in a forced sewer test?
16. If the water pressure from the street is inadequate to maintain fixture flow pressure, a booster pump must be installed.
17. The vertical rise of a vent shall be _____________ above the flood level rim of the highest trap or trapped fixture being vented.
18. How many water closets for students are required for a school with 250 children?
19. Floor drains must have a minimum diameter of
20. The circulation piping on a whirlpool bath must
21. What is the maximum flow rate allowed for a showerhead?
22. What is the minimum size of a shower stall?
23. What size is stipulated by code for the access openings for the pumps on a whirlpool?
24. The supply lines and fittings for every plumbing fixture shall be installed
25. A specially designed _____________________ is required in a vacuum drainage system.

⚡ Recently practiced quizzes in this topic
Live quiz activity
Plumber's Licensing Exam: Gas Piping Installations Plumbing Practice Test Plumber's Licensing Exam: Storm Drainage Plumbing Certification Building Utilities - Plumbing Basics Plumbing Study Guide 2 Plumber's Licensing Exam: Traps, Interceptors, and Separators Plumbing Study Guide Plumbing Vocab Plumbing Tools
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.