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






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


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


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


5. The threaded portion of 1' gas pipe is ____ inches?


6. Potable water supply systems using wells - shall have well casing - curbs and pitless adapters terminating not less than ___ inches above the finished ground surface.






7. Water may not be discharged onto the drainage system if temperature exceeds _____ degrees F.






8. 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?






9. Underground gas piping systems shall be installed with a minimum of ____' of cover.






10. What is the approximate length of threaded portion and approximate number of threads to be cut for a 3' pipe?






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






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






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






14. Conductor is a storm pipe ____.






15. May be used for distribution of hot potable water






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






17. A standpipe shall extend a minimum ____' and a maximum ____' above the trap.






18. 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?






19. Potable hot water shall be at a temperature of not less than ____ and not more than_____.






20. 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?






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






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






23. What size sewer is needed for 230 dfu's at 1/4' per foot?


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






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






26. If supply line of tank is 450 GPM then the I.D. of pipe must be at least ____ inches.


27. Can be used for appliances with draft hoods.


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






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


30. If supply line of tank is 450 GPM then the I.D. of pipe must be at least ____ inches.


31. 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?






32. 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?


33. When testing a gas system - which can not be used? A). Air. B). Nitrogen. C). Oxygen. or D). B or C?






34. What is the max dfu's permitted to be discharged into a 4' soil stack on a 3 story building?






35. When impractical to pipe the water from a foundation drain to a storm drain - it may discharge to an open area ____' away from property line.


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






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


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






39. For Rodding - clean clearances for clean outs - 3' or larger is ____.


40. An air conditioning condensate pump which discharges 8 gpm would require a ____ inch horizontal drain.






41. 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.






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






43. Metallic drip pans shall be a minimum ____ gage.






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


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


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






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


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


49. Is used to measure gas pressure.






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