Plumbing Exam Questions Completely Solved. Graded 100%

What is the major advantage of installing pea trap with slipknot unions? - easy access can just unscrew and have access True or False you mount your water closet flush to the subfloor? - True What is the typical rough in for a standard water closest off the rear wall and off the side wall? - 12.5 & 16 13 & 16 What is the ideal air pressure between positive and negative air pressure in a valve? - 14.7 DWV 3 Main functions - - Maintains 14.7 PSI to keep air pressure balanced - Directional Flow - Control Methane gas True or False you can add a new fixture into the main stack below the highest fixture on the stack? - False Where does a waste or a soil pipe become a vent? - Above the highest fixture Name 2 tools to clean a clog or soil in a waste pipe. - - Plunger - Snake - Auger What type of fitting are you required to use when you are connecting into a soil or waste line and tying it into a building drain? - Y fitting What is the difference between the contents of a soil pipe or a waste pipe? - - Waste Grey water - Soil Black water What is the name of flexing rubber fitting used for temporary repairs or connections on DWV systems? - Furnco Diameter size of the following fixture Lavatory sink - 1.5" Diameter size of the following fixture Water closet - 3" Diameter size of the following fixture Shower - 2" Diameter size of the following fixture Kitchen sink - 2" First, we must ____ and ____