Free Journeyman Plumber Practice Test by State: 2026 Guide
Video
Per the IPC as adopted by Maryland, what is the minimum slope for a 4-inch horizontal drain pipe?
Drain Waste Vent Systems
Question · Easy
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
A propane leak develops in a basement mechanical room. Where will the propane tend to collect?
Gas Appliances Piping
Principal artery of a piping system, to which its branches connect.
Plumbing fundamentals
Guess the Term
Chapter 1: Maryland Licensing, Code Administration & the Exam
1.1 Maryland Plumbing Regulations & Licensing
Study guide
A natural-gas water heater is rated at 125,000 Btu/h. Using a nominal heating value of 1,000 Btu per cubic foot, what gas flow must the piping supply?
Question · Medium
Read the clue and guess the term in 6 tries.
Game
Where does the building drain end and the building sewer begin?
Per the IPC, cleanouts in horizontal drains must be installed at intervals not exceeding what distance?
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.
___-in: the drainage, water supply and vent piping and fixture supports put in place before fixtures are set.
Under 2018 IPC Table 709.1, what is the minimum fixture-drain size for a floor-outlet water closet?
Vent stack vs. stack vent
Under the 2018 IFGC, copper tubing may not convey fuel gas containing more than what average hydrogen-sulfide concentration?
Question · Hard
Material that, together with flux, may contain no more than 0.2 percent of a toxic metal under federal law.
Materials and specifications
1.2 The Journey Plumber/Gas Fitter Exam: Format, References & Open-Book Strategy
Under the 2018 IFGC, where may polyethylene fuel-gas piping be installed?
Swap tiles to line up three of the same term.
Term Match
Flood level rim vs. critical level
Per the IPC, what fitting is required for a horizontal-to-horizontal direction change in drainage piping?
Trap ___: the vertical distance between a trap's weir and the top of its dip.
Traps and interceptors
Per the IPC, indirect waste from a commercial dishwasher must discharge through what?
What do you read off an isometric (riser) drawing on this exam?
Using the longest-length method, the most remote gas outlet is 88 feet from the meter after fitting allowances. Which table row is used to size every section?
Flood-level ___: the top edge of a receptacle from which water overflows.
Plumbing fixtures
Chapter 2: Job-Site Safety & OSHA 29 CFR 1926
2.1 OSHA Construction Safety, PPE & Hazard Communication
Under IFGC Table 415.1, what is the maximum horizontal support spacing for 3/4-inch rigid steel gas pipe?
Flip two cards at a time to find matching terms.
Term Pairs
Developed length
Under the 2018 IPC, fixtures that discharge grease-laden waste from food preparation must discharge through what?
Traps Interceptors Backwater Valves
Water ___: the pressure surge in supply piping when flow is stopped suddenly, which arresters near fast-closing valves absorb.
Water supply systems
Which medium is prohibited for pressure testing a fuel-gas piping system?
Architect's scale: what does 1/4 inch = 1 foot-0 inches mean when you measure a plan?
Which fitting may be installed in a concealed fuel-gas piping location under the 2018 IFGC?
___-connection: any actual or potential link between a potable water system and a source of contamination or pollution.
Backflow prevention
2.2 Excavation & Trenching Safety (29 CFR 1926 Subpart P)
Gas tubing passes through a wood stud only 1 inch from the face that will receive drywall. What protection is required?
Find five hidden terms in a grid of letters.
Term Search
IPC 312.2 - drainage and vent WATER test
Per the IPC as adopted by Maryland, the minimum water service pipe size for a dwelling is what?
Water Supply Systems
Abbreviation for a backsiphonage-only device with a body, a checking member and an air port, installed with no shutoff valve downstream.
Per the IPC, the maximum static water pressure in a building is what?
IPC 312.3 - drainage and vent AIR test
Which listed mechanical assembly is suitable for a high-hazard cross-connection subject to both backpressure and backsiphonage?
Backflow Prevention
Vertical main of soil, waste or vent piping that passes through one or more stories.
DWV systems
2.3 Confined Spaces, Ladders, Scaffolds & Hot Work
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