Free Journeyman Plumber Practice Test by State: 2026 Guide
Video
Under the 2024 UPC as adopted in Iowa, how is the minimum building sewer size determined?
Chapter 7 Sanitary Drainage
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.
Blog
Branch interval
Administration and General Regulations
Flashcard
What slope applies to a 4-inch horizontal drainage pipe under the 2024 UPC?
Flood-level ___: the top edge of a receptacle from which water overflows.
Fixtures and Fittings
Guess the Term
Chapter 1: Iowa Licensing, Exam Format, Code Adoption & UPC General Regulations
1.1 Iowa Licensing Tiers, PMSB Rules, Code Adoption, Permits & Inspections
Study guide
What DFU value does the 2024 UPC assign to a private 1.6-gpf water closet?
Question · Easy
Read the clue and guess the term in 6 tries.
Game
Where does the building drain end and the building sewer begin?
Per the Iowa State Plumbing Code (UPC), what is the maximum distance between cleanouts on a horizontal drainage pipe?
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.
Kind of supply valve moved by a float to let water into a tank.
Which containment protection does Iowa require for a high-hazard public water service?
Chapter 6 Water Supply And Distribution
Vent stack vs. stack vent
What is the maximum flow rate for an individual showerhead under the 2024 UPC?
Chapter 4 Fixtures And Fittings
Watertight receptacle required beneath a storage water heater in places such as an attic where a leak would cause damage.
Water Heaters
1.2 UPC Chapter 3 General Regulations: Trenching, Protection of Piping & Iowa Burial Depths
Which protection does the 2024 UPC require against excessive water-heater temperature?
Chapter 5 Water Heaters
Swap tiles to line up three of the same term.
Term Match
Flood level rim vs. critical level
Per the Iowa State Plumbing Code (UPC), what is the minimum trap seal depth for a standard plumbing fixture?
Chapter 10 Traps And Interceptors
Water ___: the pressure surge in supply piping when flow is stopped suddenly, which arresters near fast-closing valves absorb.
Water Supply and Distribution
What is the general minimum vent size under the 2024 UPC?
Chapter 9 Vents
What do you read off an isometric (riser) drawing on this exam?
Per the Iowa State Plumbing Code (UPC), what is the maximum static water pressure in a building distribution system?
Abbreviation for a backsiphonage-only device with a body, a checking member and an air port, installed with no shutoff valve downstream.
1.3 Plumbing Mathematics, Pipe Sizing Formulas & Blueprint Reading
Per the Iowa State Plumbing Code (UPC), what is the minimum vent size for a water closet on a 3-inch drain?
Flip two cards at a time to find matching terms.
Term Pairs
Developed length
When plumbing piping passes through a structural member, what must the installer avoid?
Chapter 3 General Regulations
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.
Sanitary Drainage
What must protect piping installed where it is subject to physical damage?
Architect's scale: what does 1/4 inch = 1 foot-0 inches mean when you measure a plan?
What minimum clear space is required in front of a water closet or bidet?
Vertical main of soil, waste or vent piping that passes through one or more stories.
1.4 Hangers, Supports, Pipe Joints, and Material Compatibility
Per the Iowa State Plumbing Code (UPC), what is the minimum side clearance from the centerline of a water closet to a wall?
Find five hidden terms in a grid of letters.
Term Search
IPC 312.2 - drainage and vent WATER test
Per the Iowa State Plumbing Code (UPC), what is the minimum height a vent pipe must extend above the roof?
Kind of pipe that moves sewage with fecal matter to the building drain or building sewer.
How may an open vent terminal satisfy clearance from an openable window, door, or air intake?
IPC 312.3 - drainage and vent AIR test
For nonplastic DWV piping, which rough test may be used before concealment?
Air ___: indirect waste connection in which the drain outlet sits below the receptor's flood-level rim but stays physically separate from it.
Indirect Wastes
1.5 Exam Format, Approved References & Open-Book Lookup Strategy
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