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






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






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






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






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


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






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


8. The water supply to a carbonated beverage dispenser shall be protected against back flow by means of a ASSE #____.






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


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


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






12. 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 ____'.


13. A 2 inch type L copper water branch shall be supported at _____ intervals.






14. Oil interceptors - waste oil tanks - oil pump-out connection - backwater valves - and atmospheric vent piping shall be?






15. Where sump pumps for a foundation drain are installed - the minimum discharge pipe from sump is ____'.


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


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






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






19. 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.






20. How many water closets are needed for females in an office building with 200 people?






21. Rated flow velocities for grinder pump ejectors shall be not less than ____.






22. Rectangular shower compartments may have a rough-in dimension width of what?






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






24. 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.






25. When testing the drainage and vent system they shall be submitted to a test of ____ feet head of water for at least ____ minutes.






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






27. Plastic & copper piping run through framing member to within one inch of framing members shall be protected by steel nail plates not less than ____ gage.






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






29. When backfilling a trench - backfill shall be placed in not more than ____ layers.






30. The minimum distance from the garage floor to a gas appliance must be ____.


31. 80 degrees F is equal to ___ degrees C ?






32. Sterilzer in hospital surgical room has water waste connection must be disposed through an indirect connection to the drainage system by means of an ____.






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






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






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






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






37. If the invert elevation at the first clean out on a 4' sewer is 120.25' - what would be the invert downstream at the second clean out at minimum slope of .125?


38. The distance between turns - offsets - and branch connections in combination waste and vent piping shall be not less than____.






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






40. What size sewer at 1/4 inch slope is needed for a building with 25 branch intervals each branch having 18 Drainage Fixture Units?






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






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






43. Can a laundry tub be discharged to a trap serving a kitchen sink?






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






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


46. Combination stop and waste valves shall be prohibited where?






47. When connecting additional gas pipe - check for...






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


49. Cleanouts shall be installed at each change of direction - except not more than one shall be required in every ____ feet of run.






50. Making capillary joints by soldering of copper and copper alloy tube and fittings shall comply with A). ASTM B828-92 B). NFPA 99C C). ANSI 1018 or D).ASSE 5010?