IRC Plumbing Practice Test Questions And Answers All Verified A+ Graded

IRC Plumbing Practice Test Questions And Answers All Verified A+ Graded What is the minimum size of a water meter and service piping in inches for a water supply system of 34 fixture units with a maximum developed length of 200 feet. The water pressure of the system is 35 psi. - ANS 1 Table AP201.1 What is the minimum sized trap that can be used for the drainage system of a bathtub (with or without shower head and/or whirlpool attachments)? - ANS 1.5 Table P3201.7 A water heater pan drain must extend full-size and terminate over a suitably located indirect waste receptor or must extend to the exterior of the building and terminate not less than _____ inches and not more than _____ inches above the adjacent ground surface. - ANS 6, 24 P2801.6.2 A laundry tray waste line is permitted to connect into a standpipe for automatic clothes washer drain. The standpipe must extend not less than _____ above the trap weir and must extend above the flood level rim of the laundry tray. - ANS 30 inches (762 mm) P2706.1.2.1 Clothes closets, linen closets and pantries not exceeding _____ in area, with the smallest dimension not greater than 3 feet (915 mm) and having wall and ceiling surfaces of gypsum board will not require fire sprinklers. - ANS 24 square feet (2.2 m2) P2904.1.1 If a water closet can be removed to provide cleanout access, does that fulfill the cleanout requirement of the code? - ANS No P3005.2.3 Appliances and equipment used for heating water or storing hot water have to be protected by _____. - ANS pressure-relief valve and temperature-relief valve or a combination pressure and temperature-relief valve. P2804.1 Where the fixture drains connect at different levels, the common vent must connect as a _____ extension of the _____ drain. - ANS vertical, vertical P3107.3 The minimum air gap distance in inches for lavatories and other fixtures with effective opening not greater than 1/2 inch in diameter that are close to a wall is: - ANS 1.5 Table P2902.3.1 In areas prone to flooding as established by the code, water supply systems must be designed and constructed to prevent _____ of floodwaters. - ANS infiltration P2602.2 When either a public water-supply or sewer system, or both, are not available, _____, an individual water-supply or individual sewage-disposal system, or both, must be provided. - ANS or connection thereto is not feasible P2602.1 _____ installed in a bathroom are not required to be installed within an enclosure. - ANS direct-vent water heaters M2005.2 For water supply systems used predominantly for flush tanks having a water supply fixture unit load of 12, what is the comparable demand in gallons per minute. - ANS 16.0 Table P2903.6(1) Test equipment, materials and labor must be furnished by the ______ - ANS permittee P2503.3