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






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






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






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


5. In a single dwelling unit - up to ___ bathroom groups shall be permitted where the water closets are 1.6 gallons per flush or less.






6. 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?


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






8. 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.






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


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






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


12. What is the maximum length of a 2 inch trap arm?


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






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






15. Water piping for the distribution of hot or cold water within buildings shall be of materials rated for not less than_____ psig.






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


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






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


19. Where shall sediment traps be located?






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






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






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


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


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


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






26. 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 ____'.


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


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






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






30. What shall be the weight of a lead shower pan with inside dimensions 3'x4' with a 6' turn-up on all sides?






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






32. Grease interceptors shall have a grease retention capacity of not less than ____ pounds for each gpm of flow.






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






34. In a single dwelling unit - up to ___ bathroom groups shall be permitted where the water closets are 1.6 gallons per flush or less.






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






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


37. 80 degrees F is equal to ___ degrees C ?






38. Traps shall be provided at fixtures & equipment connections where the developed length of indirect waste piping exceeds ____ feet.


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






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






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






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


43. 80 degrees F is equal to ___ degrees C ?






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


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






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






47. Conductor is a storm pipe_____.






48. Underground gas piping not in conduit shall have a minimum cover of ____ inches.


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






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