Plumbing Practice Test

This free plumbing practice test will give you an idea of the types of questions in actual plumbing license exams. Plumbing exams vary by state but most all states have adopted either the UPC or the IPC plumbing codes - for which the practice test below is relevant. Typical exam sections include: fixtures, sanitary drainage systems, administrative policies, venting, indirect and special wastes, etc.
1. A lavatory needs at least what flow rate?
2. What is the minimum drain size for a toilet?
3. A lavatory drain tailpiece has what diameter?
4. A ________________is used to stop gases from getting into a building.
5. What type of piping sends water through a hot water heater?
6. A _______ size drain is needed for a shower stall.
7. What size drain is required for a one piece tub/shower?
8. A __________________ is used to prevent bends or folds when working with soft copper piping.
9. A ________________ is used to connect copper with galvanized pipe.
10. The minimum trap size of a bidet is _______________.
11. A kitchen sink needs what size P-trap?
12. A _______________ is used to connect a P-trap to a drain.
13. The maximum spacing of a horizontal hanger for ½ inch CPVC piping is ________________.
14. A ______________ size drain is needed for a clothes washer.
15. A four bedroom house should have a septic tank that holds how many gallons?
16. Water enters a residence at what pressure?
17. An "A Valve" is a manual ____________________.
18. An air lock is caused by _____________________.
19. A ___________________ is a sacrificial rod installed in a water heater to protect the tank from corrosion.
20. Barlow's Formula is expressed as _________________________.
21. Which of the following results with friction loss?
22. Hard water is ______________________.
23. The most common minerals in hard water are Calcium and Magnesium.
24. Soft water has _______________________.
25. Vibrating pipes are most likely caused by ____________________.
26. What type of fittiings should be used on an island vent and what order should be used to make a return bend under the drain board?
27. A project uses 360 feet of 3 1/2 inch pipe. A 3 1/2 inch pipe has 9 times the capacity of a 1 1/2 inch pipe. How many feet of 1 1/2 inch pipe are needed in an equivalent project?
 
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