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. The distance from the outlet of the water closet to the connection of the wet vent shall be ____ feet vertical and ___ feet horizontal.






2. 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 ____'.


3. What is the minimum size floor drain required where sterilizers are located?






4. 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?






5. What is the water supply fixture units value for a domestic clothes washer in an individual dwelling unit?






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






7. A chimney passing through a flat roof must have how much clearance above and horizontally from the chimney?






8. Waste oil tanks shall have a ____' minimum pump-out connection and a ____' minimum vent to atmosphere.


9. Vent connector located and serving appliances in an attic shall be ________ vent.






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


11. What is the minimum size vent piping permitted to be installed underground?






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






13. Flexible plastic tubing shall be supported horizontally every ____'.


14. Is not code for a gas fired appliance with input of 240 - 000 BTU/H.


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






16. Vitrified clay pipe installed underground within buildings shall have____ ' minimum earth cover.


17. Where shall sediment traps be located?






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


19. Torque wrenches are set to release at ____ lbs.






20. 150 - 000 btu/h category 1 fan assisted appliance with vertical run of 20' and a lateral run of 20' minimum vent using diameter of allow using type B wall vent is ____'.


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






22. What is the minimum pressure used to test gas piping with a working pressure less than 125 psi?






23. What is the maximum relief valve setting for CPVC (ASTM F441) hot water distribution?






24. Vitrified clay pipe - (extra strength) - for use in sanitary waste & drain systems shall not be installed ____.






25. What is the minimum trap size for a dental lavatory?


26. Pressure type vacuum breakers shall be installed with the critical level at a height of at least ____ ' above the flood level rim for ASSE 1056 devices.


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






28. A _____________ offers maximum resistance to flow of water while 45 degree elbow offers the least?






29. 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.






30. Vent pipes in trailer parks shall be located at least ____ above grade.






31. In a confined space - the upper opening supplying the combustion air to fuel burning appliance must be a maximum of ____ inches from ceiling.


32. Horizontal branch drain connections shall not be made within ____ pipe diameters from the base of the stack.






33. What is the minimum vent size on a sump serving a macerating toilet system?


34. A septic tank's inside measurements are 8 feet - 6 inches long; 4 feet - 2 inches wide; 4 feet - 8 inches deep; with an 8 inch air space. The septic tank would have a liquid capacity of ____ gallons.






35. Flexible plastic tubing shall be supported horizontal every____ inches.






36. What size pipe is needed for a combination waste and vent stack with a total of 400 drainage fixture units at 1/4 inch per foot slope?






37. What size soil stack is needed for a building with 25 branch intervals each branch having 18 Drainage fixture units?






38. Lead caulked joints for cast-iron hub & spigot soil pipe shall be firmly packed with oakum or hemp & filled with molten lead not less than____'.


39. What is the minimum drain size required to receive the discharge from a 3/4 inch Temperature and Pressure Valve from an 85 gallon hot water heater?






40. What is the maximum relief valve setting for cpvc (astm f441) hot water distribution?






41. Plastic water closets shall comply with ANSI _____.






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






43. Vitrified clay pipe installed underground within buildings shall have____ ' minimum earth cover.


44. Well pumps located in a basement shall have the pump and suction pipes at least ____ inches above the floor.


45. Minimum gage of the tracer wire installed adjacent to underground gas piping is _____ AWG?






46. On a threaded piece of 1 1/4 inch black steel gas pipe - How many threads should be cut on the pipe?






47. Vacuum breakers for bed pan washers shall be not less than ____ above the floor.






48. Gas piping shall be sloped not less than 1/4 inch in ____ feet






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






50. The bottom of the inlet section for a sand interceptor shall be rated for flow rates up to ____ gpm.