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. Can be used for appliances with draft hoods.


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






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


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


5. When installing new gas branches ______________ installed.






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






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






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






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






10. 1/2' steel pipe must be supported every ____'.


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






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






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






14. Clean-outs in horizontal drainage lines 4' or less shall be spaced at intervals not exceeding ____ feet.


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






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


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






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






19. 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 ____'.


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






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






22. Conductor is a storm pipe ____.






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


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






25. May be used for distribution of hot potable water






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






27. A minimum test length for a gas pipe 1 - 500 cu ft is ____.






28. 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?






29. What is the maximum length you can run a 1 1/2 inch vent off a 75 gallon per minute sump pump?


30. 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.






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






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






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


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






35. 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?


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






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






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






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






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






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






42. 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?






43. 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?


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






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


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






47. Minimum size building drain at 1/4' per foot for 45 drainage fixture units is _____.


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






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






50. What is the minimum discharge pipe size for a grinder pump which discharges 45gpm?