Maine Journeyman Plumbing Exam Questions with Complete Solutions | Updated 2026

Maine Journeyman Plumbing Exam Questions with Complete Solutions | Updated 2026 When Plumbing code conflicts with mechanical code, which shall prevail? - answer-Plumbing code It is the duty of whom to notify the AHJ of work ready for inspection? - answer-The person doing the work What is AHJ? - answer-Authority Having Jurisdiction How much notice must you give the AHJ prior to inspection? - answer-24 Hours hot water for public use lavatories shall be limited to what temp: A) 105 B) 120 C)115 D)110 - answer-120 F Is the plumbing code minimum or maximum standards? - answer-Minimum requirements and standards What is considered a bathroom? - answer-A room with a shower or bathtub that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer A) Building subdrain B)soil stackC)Building Sewer D)Building drain - answer-Building drain A vertical vent that is a continuation of the drain to which it connects A) Continuous vent B) Yoke Vent C) Up Vent D) Standard Vent - answer-Continuous vent a specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain A) Combination Waste and Vent system B) Drain air system C) Oversized drain D) Flat Drain - answer-Combination Waste and vent system Where parallel vertical stacks are installed, the connection for the soil stacks shall be via: A) Backflow tee B) Typical Wye C) Drain Tee D) Yoke Vent - answer-Yoke vent You are looking at a 16 foot long cylinder that is 4 feet wide. If it is entirely full, how much water is in the cylinder? A) 200.96 B)256 C) 300 - answer-200.96 Volume is (Pie X R^2)xHeight (3.14x2^2) X 16 =200.96The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that? A) 1503 B) 1600 C) 1000 D) 1263.72 - answer-7.48 gallons per cubic foot (200.96 X 7.48) = 1503.2 gallons Developed Length - answer-The length along the center of the pipe and fitting Vertical pipe - answer-any pipe or fitting installed in a vertical position or which forms an angle of not more than 45 degrees with the vertical line