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

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2. 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?






3. Is used to measure gas pressure.






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






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






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

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






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

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

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






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

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






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






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

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






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






17. Gas piping shall be sloped not less than 1/4 inch in ____ feet






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






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






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

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






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

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24. What is the maximum square foot area that a window well can drain into a foundation drain?






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

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






27. The temperature of tempered water shall be not less than ____ and not more than____?






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

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29. Metallic drip pans shall be a minimum ____ gauge.






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






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






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






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

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






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

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37. Corrosive chemicals that are discharged into the plumbing system must pass through a ____.






38. An air conditioning condensate pump which discharges 8 gpm would require a ____ inch horizontal drain.






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






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






41. What's the maximum dfu's permitted on a 6' sewer at 1/4' per foot?






42. What size soil stack is needed for a building with 25 branch intervals each branch having 18 Drainage fixture units?






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






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






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






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






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






48. 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?






49. 1/2' steel pipe must be supported every ____'.

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