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100+ Free UT Plumber Practice Questions

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Under Utah's adoption of the IPC, what is the minimum size drain pipe permitted for a water closet?

A
B
C
D
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Key Facts: UT Plumber Exam

70%

Passing Score

DOPL

100

Questions

4 hours (open book) + practical

~$215

Exam Fee

Prov

IPC

Code

DOPL

Utah's journeyman plumber exam is open-book with 100 questions and a 4-hour time limit, plus a practical component. Administered by Prov for DOPL, it tests IPC knowledge. The open-book format allows code references but requires efficient navigation skills. The exam costs approximately $215.

Sample UT Plumber Practice Questions

Try these sample questions to test your UT Plumber exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under Utah's adoption of the IPC, what is the minimum size drain pipe permitted for a water closet?
A.2 inches
B.3 inches
C.4 inches
D.1-1/2 inches
Explanation: Per the IPC as adopted by Utah, the minimum drain pipe size for a water closet is 3 inches.
2What is the minimum slope for a 4-inch horizontal drainage pipe in Utah?
A.1/4 inch per foot
B.1/8 inch per foot
C.1/2 inch per foot
D.1/16 inch per foot
Explanation: Pipes 3 inches and larger require 1/8 inch per foot slope. Pipes under 3 inches require 1/4 inch per foot.
3What is the DFU value for a 1.6 GPF water closet in Utah?
A.4 DFU
B.3 DFU
C.2 DFU
D.6 DFU
Explanation: Per IPC tables, a 1.6 GPF WC is 3 DFU. IPC assigns 3 DFU, differing from UPC (4).
4What backflow preventer is required for high-hazard cross-connections in Utah?
A.RPZ backflow preventer
B.Atmospheric vacuum breaker
C.Dual check valve
D.Hose bibb vacuum breaker
Explanation: An RPZ is required for high-hazard cross-connections with two check valves and a differential relief valve.
5What is the minimum trap seal depth in Utah?
A.1 inch
B.2 inches
C.3 inches
D.4 inches
Explanation: Minimum 2 inches, maximum 4 inches. The seal prevents sewer gas entry.
6What is the minimum vent pipe size in Utah?
A.1 inch
B.1-1/4 inches
C.1-1/2 inches
D.2 inches
Explanation: Minimum vent size is 1-1/4 inches. Must be at least half the drain size served.
7What is the maximum static water pressure in Utah?
A.60 psi
B.80 psi
C.100 psi
D.120 psi
Explanation: Maximum 80 psi. PRV required when supply exceeds this limit.
8When is a cleanout required on horizontal drainage in Utah?
A.At direction changes over 45 degrees
B.At direction changes over 90 degrees
C.Only at building drain
D.Every 25 feet
Explanation: Cleanouts required at direction changes over 45 degrees.
9What device must be on every water heater in Utah?
A.T&P relief valve
B.Check valve
C.Gate valve
D.Expansion tank only
Explanation: T&P relief valve opens at 210°F or 150 psi to prevent catastrophic failure.
10What is the max shower/bathtub delivery temperature in Utah?
A.110°F
B.120°F
C.130°F
D.140°F
Explanation: 120°F max at showers and bathtubs. Mixing valve required.

About the UT Plumber Exam

Utah-specific journeyman plumber open-book exam (100q) with practical component based on the IPC covering drainage, water supply, venting, gas piping, and fixtures

Questions

100 scored questions

Time Limit

4 hours (open book) + practical

Passing Score

70%

Exam Fee

~$215 (DOPL / Prov)

UT Plumber Exam Content Outline

25%

Drainage Systems & Pipe Sizing

Drain sizing, fixture units (DFU), slope requirements, cleanouts, building drain and sewer sizing per IPC

20%

Water Supply & Distribution

Pipe sizing, backflow prevention, pressure regulation, cross-connection control, and water service requirements

20%

Venting Systems

Vent sizing, wet venting, air admittance valves, vent termination, circuit venting, and combination waste and vent

15%

Fixtures & Appliances

Fixture installation, clearances, water heaters, accessible fixtures, and commercial fixture requirements

10%

Gas Piping

Gas pipe sizing, appliance venting, pressure testing, BTU calculations, CSST bonding, and combustion air

10%

Code Administration & Special Systems

Permits, inspections, plan review, Utah state amendments, medical gas, grease interceptors, and storm drainage

How to Pass the UT Plumber Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 4 hours (open book) + practical
  • Exam fee: ~$215

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

UT Plumber Study Tips from Top Performers

1Master DFU values and drain pipe sizing — heavily tested on every exam
2Memorize minimum pipe sizes, slopes, and fixture clearances from code tables
3Practice backflow prevention device selection for different hazard levels
4Study gas piping sizing, pressure testing, and combustion air requirements
5Learn to navigate the IPC index quickly for efficient code lookup
6Review water heater installation including T&P valve requirements
7Practice with timed exams to develop time management skills
8Focus on venting methods — wet venting, circuit venting, and AAV rules

Frequently Asked Questions

What plumbing code does Utah use?

Utah uses the IPC for its plumbing licensing exam. Candidates should study the current adopted edition with any state-specific amendments.

Who administers the Utah plumber exam?

The exam is administered by Prov on behalf of the DOPL. Register through Prov after your application is approved.

What is the passing score?

Utah requires 70% to pass the journeyman plumber exam. The exam has 100 questions with a 4 hours (open book) + practical time limit.

Is the exam open book?

Yes, Utah's exam is open-book. Bound code books are permitted but no loose papers, notes, or electronics.