EXAM QUESTIONS AND VERIFIED ANSWERS WITH
RATIONALES JUST RELEASED.PDF
MINNEAPOLIS MASTER PLUMBER & GASFITTER EXAMINATION
200 Practice Questions with Verified Answers and Rationales
Exam Description
This comprehensive practice examination is designed for candidates preparing for Minneapolis
master plumber, plumber/gas-specific, and fuel gas fitter competency examinations. It
emphasizes Minnesota plumbing and fuel-gas requirements, system design, installation,
inspection, testing, safety, licensing, and practical problem-solving.
The questions are organized into five equally weighted sections of 40 questions each. The
examination uses four-option multiple choice questions with one correct answer and includes a
deliberate mix of basic recall, application, and analysis questions.
Difficulty distribution
• Basic recall: 60 questions
• Application: 100 questions
• Analysis/critical thinking: 40 questions
• Total: 200 questions
Primary regulatory basis: 2020 Minnesota Plumbing Code, Minnesota Rules Chapter 4714;
Minnesota Fuel Gas Code, Minnesota Rules Chapter 1346; applicable Minnesota licensing rules;
and Minneapolis competency-card requirements.
TABLE OF CONTENTS
Section 1 — Licensing, Code Administration & Professional Practice: Q1–Q40
Section 2 — Water Supply, Fixtures & Backflow Prevention: Q41–Q80
Section 3 — Drainage, Waste, Venting & Storm Drainage: Q81–Q120
Section 4 — Fuel Gas Piping, Appliances & Venting: Q121–Q160
Section 5 — Inspection, Testing, Safety & Integrated System Analysis: Q161–Q200
SECTION 1 — LICENSING, CODE ADMINISTRATION & PROFESSIONAL
PRACTICE
,Questions 1–40
Q1. [Basic]
Which Minnesota rule chapter contains the Minnesota Plumbing Code?
A. Chapter 1300
B. Chapter 1346
C. Chapter 4714
D. Chapter 7511
Correct answer: C
Rationale: Minnesota Rules Chapter 4714 contains the Minnesota Plumbing Code. Chapter
1346 governs mechanical and fuel-gas systems, making B the primary distractor.
Q2. [Basic]
Which Minnesota rule chapter contains the Minnesota Fuel Gas Code?
A. Chapter 4714
B. Chapter 1346
C. Chapter 4716
D. Chapter 1305
Correct answer: B
Rationale: Minnesota Rules Chapter 1346 contains the Minnesota Fuel Gas Code. Chapter 4714
is the Minnesota Plumbing Code, so A addresses plumbing rather than fuel gas.
Q3. [Basic]
The Minnesota Fuel Gas Code incorporates which edition of the International Fuel Gas Code as
its principal model code?
A. 2015 IFGC
B. 2016 IFGC
C. 2018 IFGC
D. 2021 IFGC
Correct answer: C
Rationale: Minnesota Rules Chapter 1346 incorporates Chapters 2 through 8 of the 2018
International Fuel Gas Code with Minnesota amendments. The other editions are not the
incorporated model edition identified by the current rule.
,Q4. [Basic]
The 2020 Minnesota Plumbing Code primarily incorporates which model plumbing code?
A. 2015 UPC
B. 2018 UPC
C. 2018 IPC
D. 2021 UPC
Correct answer: B
Rationale: The 2020 Minnesota Plumbing Code incorporates the 2018 Uniform Plumbing Code
with Minnesota amendments. The IPC is a different model plumbing code.
Q5. [Basic]
What is the principal purpose of a plumbing code?
A. Establish retail prices for plumbing materials
B. Regulate safe design and installation of plumbing systems
C. Establish employee wage classifications
D. Replace manufacturer installation instructions
Correct answer: B
Rationale: Plumbing codes establish minimum requirements for safe plumbing design,
materials, installation, and related systems. Manufacturer instructions remain relevant and are not
automatically replaced by the code.
Q6. [Basic]
Which Minnesota license generally authorizes a master plumber to perform plumbing work
statewide within the scope of the license?
A. Registered unlicensed plumber
B. Master plumber
C. Apprentice-only registration
D. Mechanical contractor employee card
Correct answer: B
Rationale: Minnesota identifies the master plumber license as authorizing qualifying plumbing
work statewide. The other classifications do not provide the same master-plumber authority.
, Q7. [Basic]
How many hours of approved continuing education must a Minnesota master plumber generally
complete during each two-year license period?
A. 4
B. 8
C. 12
D. 16
Correct answer: D
Rationale: Minnesota DLI states that master plumbers must complete 16 hours of approved
continuing education during each two-year license period. Eight hours must pertain to the State
Plumbing Code.
Q8. [Basic]
At least how many of the 16 continuing-education hours for a Minnesota master plumber must
pertain to the State Plumbing Code?
A. 2
B. 4
C. 8
D. 12
Correct answer: C
Rationale: Minnesota DLI specifies that at least eight hours must pertain to the State Plumbing
Code. The remaining hours may address qualifying technical and regulatory topics.
Q9. [Basic]
What is a Certificate of Competency Card in Minneapolis?
A. A substitute for all state licenses
B. Proof that a tradesperson possesses required qualifications for covered work
C. A permit for a specific plumbing installation
D. A manufacturer's certification
Correct answer: B