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. A sewer runs 375' long at 3% grade - how many inches is the drop?

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

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3. 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?






4. What shall be the depth of lead required for a 3 inch cast-iron water pipe - bell and spigot?






5. Where sump pumps discharge at grade on unpaved surfaces - splash blocks at least ____ long shall be used.






6. The building drain discharges soil & waste from the building & conveys it to the building sewer beginning ____ outside the building wall.

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






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






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

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10. May be used for distribution of hot potable water






11. Can be used for appliances with draft hoods.

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12. What size storm sewer is needed for a building with a roof 45 feet wide and 85 feet long at 1/8 inch slope - located in boise - Idaho?

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






14. 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?






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






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






17. 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 ____'.

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






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

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20. What is the maximum drainage fixture units permitted on a 6 inch sewer at 2% (1/4 inch) grade?






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






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

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






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. 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.

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26. Testing the plumbing system is basic principle # ____.






27. 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 ____'.

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28. No ____ or ____ pumps shall be installed on any potable water supply.






29. Where sump pumps discharge at grade on unpaved surfaces - splash blocks at least ____ long shall be used.






30. What size sewer is needed for 230 Drainage Fixture Units' at 1/4' per foot grade?

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31. Testing the plumbing system is basic principle # ____.






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

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






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






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






36. The device for final conveyance of the gas air to the combustion zone is called a ____.






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






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






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






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

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41. Gas input ratings of appliances shall be used for elevations up to ____'.






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






43. Except for clear-water wastes - traps shall be provided at fixtures and equipment connections where the length of indirect waste piping exceeds_____.






44. Pressure tanks & vessels shall be durable material & constructed to withstand ____ psig.






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

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46. A drip shall not be located where the ____ is likely to freeze.






47. Except for clear-water wastes - traps shall be provided at fixtures and equipment connections where the length of indirect waste piping exceeds_____.






48. Metered bends can only be used in gas piping system if the pressure is a maximum of ____ psi.






49. A 3' horizontal drain at a 1/4' per foot grade would have a discharge velocity of ____.






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

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