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. 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?


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


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






4. Plastic water supply shall use a wall sleeve not less than ____ long.


5. The test medium of a gas system shall be____.






6. Conductor is a storm pipe ____.






7. 80 degrees F is equal to _____ degrees C.






8. In a hospital the minimum diameter for recess room floor drain waste trap is ____'


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






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


11. Light & ventilation falls under basic principle #____.






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


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






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






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


16. The test medium of a gas system shall be____.






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






18. 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 ____'.


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






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






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






22. 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 ____'.


23. A storage tank 4 feet in diameter - 10 feet tall weighing 600 pounds empty - what would it weigh half full of water?






24. 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.


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


26. Can be used for appliances with draft hoods.


27. What size water softener connection is required for two bathroom groups?


28. 80 degrees F is equal to ___ degrees C ?






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


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






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


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






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






34. 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.






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






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






37. Vitrified clay pipe installed underground within buildings shall have ____' minimum earth cover.


38. Sump pits shall be a minimum of ____ inches in diameter and ____ inches in depth.






39. The discharge line from the dishwasher shall be not less than _____ nominal size?






40. Plastic water closets shall comply with ANSI _____.






41. In a night club which holds 150 people - how many lavatories are needed in the woman's' restroom?






42. Light & ventilation falls under basic principle #____.






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


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






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






46. 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.






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






48. 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.






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






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