Free Journeyman Plumber Practice Test by State: 2026 Guide
Video
Under the IPC as adopted in Alabama, what is the minimum size drain pipe required for a water closet (toilet)?
Drainage 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
According to the IPC as enforced by the Alabama Plumbers & Gas Fitters Examining Board, what is the minimum slope for a 4-inch horizontal drainage pipe?
Principal artery of a piping system, to which its branches connect.
General Knowledge
Guess the Term
Chapter 1: Alabama Law, General Regulations, Trade Math, Tools & Safety
1.1 Alabama Exam Format, Licensing Law & Board Rules
Study guide
Under Alabama's plumbing code, what is the DFU (Drainage Fixture Unit) value for a residential lavatory?
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 as adopted in Alabama, what is the maximum distance a P-trap can be located from the fixture outlet?
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.
Any pipe that carries wastewater or waterborne wastes inside a building's waste-removal piping.
DWV piping
Under the IPC as enforced in Alabama, what is the minimum vent pipe size for a single water closet?
Venting
Vent stack vs. stack vent
According to the IPC as adopted in Alabama, what type of backflow preventer is required to protect a potable water system from a high-hazard cross-connection?
Water Supply
Fitting or device that keeps a liquid seal to block sewer gas without stopping wastewater flow.
1.2 IPC Chapter 3 General Regulations: Protection, Sleeves, Trenching & Structural Safety
Under Alabama's adoption of the IPC, what is the maximum water temperature setting for a residential water heater at the point of use?
Swap tiles to line up three of the same term.
Term Match
Flood level rim vs. critical level
Per the IPC as adopted in Alabama, what is the minimum size water supply pipe to a standard residential kitchen sink?
Piping that supplies air to or from a drainage system, or circulates it to protect trap seals.
Under the IPC as enforced in Alabama, what is the minimum air gap required for an indirect waste connection from a commercial dishwasher?
Fixtures Appliances
Question · Medium
What do you read off an isometric (riser) drawing on this exam?
According to the Alabama plumbing code (IPC), what is the minimum number of water closets required in a restaurant with an occupant load of 75?
Vertical main of soil, waste or vent piping that passes through one or more stories.
1.3 Trade Math I: Pressure, Head, Fall, Volume & Expansion
Under the IPC as adopted in Alabama, what is the maximum developed length of a wet vent serving a bathroom group?
Flip two cards at a time to find matching terms.
Term Pairs
Developed length
Per the IPC as enforced in Alabama, what is the minimum required depth of a trap seal?
Discharge from a fixture, appliance, area or appurtenance that has no fecal matter.
Under Alabama's plumbing code, what type of joint is prohibited on drainage piping installed underground?
Materials Joints
Architect's scale: what does 1/4 inch = 1 foot-0 inches mean when you measure a plan?
According to the IPC as adopted in Alabama, at what intervals must cleanouts be installed on horizontal drainage piping?
Abbreviation for the load value given to each sink, toilet or tub, based on how much, how long and how often it discharges, used to size soil and waste piping.
Sizing and Design
1.4 Trade Math II: Fractions, Offsets, Areas & Heat Calculations
Under the IPC as enforced in Alabama, what is the minimum vent termination height above a roof?
Find five hidden terms in a grid of letters.
Term Search
IPC 312.2 - drainage and vent WATER test
Per the IPC as adopted in Alabama, what is the minimum water supply pressure required at the highest fixture in a building?
Water ___: the pressure surge in supply piping when flow is stopped suddenly, which arresters near fast-closing valves absorb.
Under Alabama's adoption of the IPC, what is the maximum static water pressure allowed in a water distribution system?
IPC 312.3 - drainage and vent AIR test
According to the IPC as enforced in Alabama, what type of valve is required on the cold water supply to a water heater?
Air ___: clear vertical distance through open air between the lowest opening of a water outlet and the flood-level rim of the receptacle it fills.
1.5 Plumbing Tools: Layout, Cutting, Joining, Threading & Test Equipment
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