Test your basic knowledge |

Plumbing Code Basics

Subjects : industries, plumbing
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In food handling establishments - all openings through floors shall be sleeved and projecting not less than ___ above the top of finished floor.






2. A water supply tank with a water supply line of 75gpm shall have an overflow pipe ____' in diameter.


3. Water closet bowls intended for children's use ages 5 and younger shall be approximately ____ high.











































































































































































































































































































































































4. Mechanically formed tee fittings shall have depth stops provided ____ above the dimple that acts as a depth stop.


5. Soil and drain pipes located above food handling areas shall be subjected to a standing water test of not less than ____ feet.






6. In a confined space - the duct with combustion air to fuel burning appliance must be ____' from the floor.


7. Waste drainage from condensers or steam traps shall be cooled below ____ before being discharged indirectly into the sanitary drainage system.






8. Underground gas piping not in conduit shall have a minimum cover of ____ inches.


9. Corrosive chemicals that are discharged into the plumbing system must pass through a ____.






10. The height of water closet bowls intended for juvenile use shall be ____ to ____ high to the rim.






11. What size vent stack is needed for a 160' tall building with 6 branch intervals each having 23 drainage fixture units per branch?






12. Joints for potable water used in copper shall be made with a solder containing not more than____ % lead.






13. The temperature of tempered water shall be not less than ____ and not more than____?






14. What size gas pipe is required for a 0.5 psi. gas pressure and a pressure drop of 0.5 inch water column 50 feet in length - serving 150 - 000 btu's?






15. Each trailer site shall be provided with a ____ ips male or female threaded connection - extended above grade - from a ____ minimum size vented p-trap.






16. What is the maximum square foot area that a window well can drain into a foundation drain?






17. The vertical distance from the fixture outlet to the trap weir shall not exceed ____.


18. Is used to measure gas pressure.






19. Where a vent terminal is within 10 feet horizontally of a ventilation opening it shall be at least ____ feet above the top of the opening.






20. What size drain pipe is needed to receive the discharge from 2 lavatories - 1 bidet - and 1 drinking fountain?


21. Where shall sediment traps be located?






22. In a confined space - the duct with combustion air to fuel burning appliance must be ____' from the floor.


23. Sewer or drain pipes ran overhead where food or drink shall be stored shall be subjected to a standing water test of not less than ____'.


24. What is the maximum spacing between fixtures on a continuous waste?


25. Used - untreated water that is flushed down toilets and urinals is called ____.






26. What is the maximum distance a 2 inch vent can be run off a 76 gallon per minute sump pump?






27. If gas equipment is not provided with a _____________ - the device must be attached to the equipments' flue collar or as near to the equipment as practical.






28. What is the maximum length for a 3' trap arm?


29. Test duration shall not be less than ____ hour for each ____ ' of pipe volume or fraction thereof.






30. A minimum test length for a gas pipe 1 - 500 cu ft is ____.






31. How many gallons of water would be in a pipe 3 inch diameter pipe 314 feet long?






32. How many gallons of water would be in a tank which was 5' in diameter - 16' tall - and 3/4 full?






33. The test pressure on a gas system shall be no less than ____ times the proposed maximum working pressure - but not less than ____ psi.






34. The distance between manholes shall not exceed ___ feet.


35. What is the Drainage Fixture Unit value for a 3.5 gallon per flush flushometer water closet serving 3 or more dwelling units?






36. Grease interceptors shall have a grease retention capacity of not less than ____ pounds for each gpm of flow.






37. The height of water closet bowls intended for juvenile use shall be ____ to ____ high to the rim.






38. Type B gas vent with 240 - 000 btu must extend ____' above roof.


39. A ________ exists when pressure is less than pressure exerted by the static atmosphere?






40. A chimney must pass through the roof at least ____'.


41. What is the maximum horizontal distance between outlets on a combination fixture.


42. Must be installed so that a swing check valve controls the flow of rate






43. ABS plastic pipes - schedule 40 or 80 May be used in which potable water installation?






44. Metallic drip pans shall be a minimum ____ gauge.






45. An approved pressure reducing valve shall be provided where it is required to limit the water supply pressure but shall be no more than ____ psi.






46. A vent stack shall be provided for drainage stacks having ____ or more branch intervals.






47. At offsets greater than ____ degrees from vertical - a suds pressure zone shall extend ____ pipe diameters up the stack above the offset.






48. A nursing home with 47 people would have a sewage flow rate of ____ gallons.






49. 1/2' steel pipe must be supported every ____'.


50. How many gallons of water would be in a tank which was 5' in diameter - 16' tall - and 3/4 full?