Mass Plumbing Code Exam Questions And Answers | Updated 2026 | Guaranteed Pass

Mass Plumbing Code Exam Questions And Answers | Updated 2026 | Guaranteed Pass How many foot of head do you need for a test on the sanitary drainage system - answer-10' The min spacing for hangers on horizontal 1" copper - answer-6' No vent shall be installed within _______ of the trap weir - answer-2 pipe diameters When sheet copper is used in plumbing it shall have a min thickness of - answer-12 oz per sq ft The storage time of a sump shall not exceed - answer-12 hours Min drain size on residential laundry - answer-1 1/2 Duplex pumps are required on more than ______ water closets - answer-5 The min spacing for hangers on horizontal pex is - answer-32" Max distance of 2" trap from vent - answer-6' Max distance from trap to vent 1 1/2 - answer-5' When battery venting laboratory sinks, each relief vent may serve from one to ________ vents - answerFiveThe min height of a vacuum brackets above he flood lever rim of a fixture - answer-6" The max distance between clean outs on 4" or smaller is - answer-50' Relief vents are required on sanitary stacks of more than how many floors - answer-10 stainless steel tubing grade H or SL shall be marked what color - answer-Blue Inspection of neutralizing sumo shall be done - answer-Monthly Min size drain for residential Food waste grinder is - answer-1 1/2 A waste pipe that discharges through and air gap into a properly trapped and vented fixture is called - answer-Inderect waste pipe Min spacing on horizontal 2" copper is - answer-10' Max flow from a shower head - answer-2.5 gpm Min trap seal - answer-2" Trap size of a tub with overhead shower - answer-1 1/2 The min clearance for access to a 3" or larger clean out is - answer-18" How many fixture units can a 2" trap hold - answer-3