Free Journeyman Plumber Practice Test by State: 2026 Guide
Video
2018 IPC practice: A water service runs beside a sewer made of material not listed in Table 702.2. With only 3 feet horizontal separation and no crossing sleeve, which vertical arrangement satisfies the elevation exception?
Plumber Water Supply
Question · Medium
How to Become a Plumber in 2026: License, Salary by State & Career Path
Complete 2026 guide to becoming a plumber. Covers apprenticeship requirements, journeyman and master licensing, BLS May 2025 median pay of $63,800, specializations, and career advancement. Free plumber exam prep included.
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Branch interval
Administration and General Regulations
Flashcard
2018 IPC practice: A commercial project includes potable plumbing and gas distribution. Which reference does the IPC identify for fuel-gas distribution piping and equipment?
Plumber Code General
Question · Easy
Authorization a code official may issue for temporary equipment, systems and uses, for no more than 180 days and subject to extensions.
Administration
Guess the Term
Chapter 1: Administration, Code Enforcement, & Safety
1.1 Administration, Permits, and Inspections
Study guide
Cheat sheet
2018 IPC practice: A designer assigns drainage fixture units before using the gravity drainage sizing tables. What does a DFU represent?
Read the clue and guess the term in 6 tries.
Game
Where does the building drain end and the building sewer begin?
2018 IPC practice: Exterior water piping is proposed 11 inches below grade where the frost line is 4 inches deep. Which minimum depth satisfies both stated IPC burial limits?
Find 45 plumber practice routes across 44 states and DC, confirm your actual credential and references, and work through source-bounded code and trade-math examples.
Scaled document filed with a permit application that must show the location, nature and extent of proposed work.
2018 IPC practice: For a manifold designed using the 4-ft/s column of Table 604.10.1, the maximum simultaneous demand is 8 gpm. What is the smallest listed nominal internal diameter that meets demand?
Vent stack vs. stack vent
2018 IPC practice: While stopping a leak, a plumber discovers that a concealed drain must be removed and replaced with new pipe. Under the unamended IPC administrative provisions, how is this work treated?
Procedure used to check a plumbing system, required to follow the plumbing code or another recognized standard.
1.2 General Regulations & Building Integrity
2018 IPC practice: A 4-inch horizontal drain cleanout has only 14 inches of perpendicular working clearance. Its diameter is correct. What change is needed?
Plumber Dwv Systems
Swap tiles to line up three of the same term.
Term Match
Flood level rim vs. critical level
2018 IPC practice: A potable copper joint uses solder containing 0.25% lead. The installer argues that it meets the 0.25% weighted wetted-surface limit. Which assessment is correct?
Right of any person to challenge a decision by the code official before a board by filing an application within 20 days after notice.
2018 IPC practice: A sink supply outlet has a 3/4-inch effective opening and is close to a wall as defined in Table 608.16.1. What minimum supply air gap applies?
What do you read off an isometric (riser) drawing on this exam?
2018 IPC practice: A residential clothes washer has a 2-inch standpipe and fixture drain connected to a 3-inch branch, but its trap is only 1-1/2 inches. Which correction is required?
Plumber Fixtures Equipment
Directive that requires discontinuance of an illegal action and abatement of a violation.
1.3 Material Standards & Piping Joining Methods
2018 IPC practice: A water service and building sewer share a trench. The sewer conforms to a material standard listed in Table 702.2. Which statement correctly describes Section 603.2?
Flip two cards at a time to find matching terms.
Term Pairs
Developed length
2018 IPC practice: A drainage-system pressure test gives an acceptable gauge reading, but the code official cannot establish whether pressure reached an isolated branch. The official requires removal of a cleanout to investigate. Which response follows the testing provision?
Solvent ___ that must still be wet when the joint is assembled.
2018 IPC practice: At peak demand, a balanced-pressure shower mixing valve receives 17 psi and a private lavatory receives 9 psi. Assume their required flow rates are available and no lower manufacturer shower rating is involved. Which pressure assessment is correct?
Architect's scale: what does 1/4 inch = 1 foot-0 inches mean when you measure a plan?
2018 IPC practice: A drain receives two private 1.6-gpf water closets, two lavatories, one bathtub and one domestic kitchen sink with a disposer and dishwasher connected to that sink. Sum individual fixture values rather than bathroom-group allowances. What is the load?
Fixture whose privacy partitions must begin no more than 12 inches above the finished floor and rise at least 60 inches.
Plumbing fixtures
1.4 Plumbing Math & Water Calculations
2018 IPC practice: An underground PVC DWV installation uses correctly prepared solvent-cement joints. An inspector is told that only gasketed joints may be used underground. Which answer follows the IPC?
Find five hidden terms in a grid of letters.
Term Search
IPC 312.2 - drainage and vent WATER test
2018 IPC practice: A 1-1/2-inch sink trap and fixture drain run 5 feet to the vent at 1/4 inch per foot. The vent opening is not below the trap weir. Which assessment is correct?
Bathing compartment that needs at least 900 square inches of interior area and, apart from one exception, a 30-inch least dimension.
2018 IPC practice: A 3-inch sanitary drain upstream of a grease interceptor is laid at 1/8 inch per foot. What does the IPC require for this location?
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