Maine Journeyman Plumbing Exam 2025

Elongated Toilets are for Residential or Commercial? - -Commercial Round Toilets are for Residential or Commercial? - -Residential Two Flushing Ways for Toilet - -Siphon Jet (Residential), Blowout (Commercial) Distance Req. Center of Toilet to back wall - -12" (10" to 14" special orders) Pop-up Lavatory: Res. or Comm.? - -Residential Grid Strainer Lavatory: Res or Comm.? - -Commercial Lavatory Faucets of 3 hole designs necessary inch spread? - -4" spread of two outside holes Size drain of Urinals - -2" Water Connection size of Urinal? - -3/4" Spud (1 1/4" also available) Bathtub size - -60" L x 30" W Tub Drain Size - -1 1/2" Shower drain size - -2" Combination Tub and Shower - -1 1/2" Non-handicap Shower Size Requirement - -900 square inches or 30x30 Kitchen Sink drain size - -1 1/2" Lavatory Drain Size - -1 1/4" Kitchen Sink Single Bowl Size - -25"x22" Kitchen Sink Double Bowl Size - -33"x22" Toilet Clearance Requirement Center to Wall - -15" Toilet Clearance Requirement Center to Center - -30" Plumbing Plumbing Blowout design Toilers Wall hung bolts Required to wall? - -3 Bolts Siphon-Jet Toilet Wall hung bolts required to wall? - -4 Bolts Handicap Toilet Height Requirement - -17" to 19" Standard Toilet Height Requirement - -15" Commercial toilets need lids? - -No Urinal drain size - -2" for Stall, 1 1/2" Trough or Wall Name or Large capacity tubs - -Garden or Roman tubs Laundry Sink Drain Size - -1 1/2" Electric Water Cooler Drain Size - -1 1/4" T&S stands for? - -Tub and Shower DWV stands for? - -Drainage, Waste, and Vent What is a Combined Sewer System? - -Combined Sewer and Storm Water that all goes to Municipal Wastewater Facility What is a Manhole? - -Access area to Sewer System to drain pipe or connection point to pipes Maximum distance between Manholes - -400 feet Required distance of Septic Tank from Building - -10 Feet What is effluent? - -Liquid waste from Septic Tank Drain Field for Effluent has what? - -Pipelines laid parallell with slits 4" to 6" intervals, covered with washed stone Pipe pitch for drain field - -1" for every 50 feet Distribution Box Purpose? - -Allows for each pipeline to get even amount of liquid to drain Cleanout Angle Maximum - -Not more than 90 degrees, No U-turn P-trap Seal Requirement - -2" minimum to 4" maximum Plumbing Plumbing BS - -Building Sewer (from BD to point of disposal) BD - -Building Drain (lowest horizontal portion of drainage system) WS - -Waste Stack (vertical portion of BD that gets drainage discharge from horizontal branches) SV - -Stack Vent (Vent for WS that extends and goes through roof or connects to VS) VS - -Vent Stack (Main Vent for DWV system) FD - -Fixture Drain (single trap, also called waste arm) FB - -Fixture Branch (serves more than one fixture drain) HB - -Horizontal Branch (connects fixture branch to waster stack or building drain) IV - -Individual Vent BV - -Branch Vent (Vent for a fixture branch) RV - -Relief Vent (many types, relieve pressure) CV - -Circuit Vent (serves specific design known as battery venting, connects to VS LV - -Loop Vent (same as CV but is on the highest branch interval and connects to SV WV - -Wet Vent (Oversized pipe to be a drain and a vent, moves wastewater) Cistern - -tank for rainwater Rainwater is hard or soft? - -Softwater (Contains few minerals) Name for layer of saturated ground - -Water Table Dug Well depth - -20' Driven Well - -A well constructed by driving a pipe in the ground. The drive pipe is usually fitted with a well point and screen. 60' maximum and for sandy, loose areas Drilled Well - -Deep well designed to tap the lower aquifer; can be up to 1,000 feet deep with a small cap above ground; less susceptible to pollution. It is also cased. Shallow-well pump depth - -25' to 35' Plumbing Plumbing Purpose of Pressure Switch - -Turns pump on at 20 psi and off at 40 psi Venturi - -narrow opening in the jet body of pump to create a low pressure PSI requirement to raise a column of water 1 foot - -.434 psi (stories are usually 10' tall) Average water pressure - -14.7 psi Reduced Pressure Zone Valve (RPZ) - -Installed inline; serves an entire building or specific zones of a piping system Dual Check Valve - -Has two spring-loaded check assemblies manufactured as a single device. Used mostly to serve a single piece of equipment, such as a commercial ice machine Atmospheric Relief Valve - -Installed to serve one piece of equipment, spills water trying to backflow that will depressurize the system to atmospheric pressure Vacuum Breaker - -Breaks a vacuum in a piping system by introducing air into the pipe Water Service area - -Portion of piping outside a building Water Distribution System - -Piping within a building Pressure-reducing valve - -installed after main isolation valve when water pressures exceed maximum limit Two trenches required distance apart - -5' of undisturbed soil between two systems