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

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






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






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






5. Torque wrenches are set to release at ____ lbs.






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

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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. 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?






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






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

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






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

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






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

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






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






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

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






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






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






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






22. 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?






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

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24. May be used for distribution of hot potable water






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






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 ____'.

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






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






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

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30. Conductor is a storm pipe_____.






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






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






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






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






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






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






37. Conductor is a storm pipe ____.






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






39. Joints for potable water used in copper shall be made with a solder containing not more than ___% lead.






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






41. 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.






42. When connecting additional gas pipe - check for...






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

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






45. 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.

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






47. Appliances shall not be installed on ____ unless the appliances are list for such installation.






48. Mechanically formed tee fittings shall have depth stops provided ____ above the dimple that acts as a depth stop.

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49. How many water closets are needed for females in an office building with 200 people?






50. Conductor is a storm pipe ____.