Michigan Boiler Installer 2B Practice Exam 2026-2028 |
250 Questions & Answers with Detailed Rationales | MI
2B Boiler License Exam Prep | Complete Study Guide
LATEST UPDATED THIS YEAR
Coverage
Michigan Class 2B boiler installer licensing
Michigan boiler permits and regulations
Boiler installer classifications
Low-pressure boiler installation
Boiler fundamentals
Steam and hydronic systems
Boiler components and accessories
Safety valves and low-water cutoffs
Burners and combustion
Fuel-gas systems
Combustion controls and flame safeguards
Hydronic circulation and expansion tanks
Steam traps and condensate return
Boiler piping and ASME B31.1 concepts
Welding and nondestructive examination
Pressure and leak testing
Electrical controls and lockout/tagout
Boiler-room safety
Commissioning and startup
Inspection and documentation
Troubleshooting and maintenance
Michigan-specific professional practice
Questions 1–25: Michigan Licensing, Scope & Regulations
1. What does a Michigan Class 2B boiler installer license authorize the holder to
install?
A. Nuclear heat source boilers only
B. Low-pressure boilers of any capacity or firing rate
,C. Power boilers up to 5,000 lb/hr only
D. High-pressure piping only
Answer: B. Low-pressure boilers of any capacity or firing rate
Rationale: Michigan identifies Class 2B as qualifying the licensee to install low-pressure
boilers of any capacity or firing rate.
2. A Class 2B installer may also perform work covered by which lower classification?
A. Class 6B
B. Class 5B
C. Class 1B
D. Class P only
Answer: C. Class 1B
Rationale: Class 2B includes the work authorized under Class 1B.
3. What is the maximum firing rate limitation for a Class 1B low-pressure boiler
installer?
A. 500,000 BTU/hr
B. 750,000 BTU/hr
,C. 1,000,000 BTU/hr
D. 5,000,000 BTU/hr
Answer: C. 1,000,000 BTU/hr
Rationale: Class 1B is limited to a low-pressure boiler not exceeding 1,000,000 BTU/hr as
certified by the manufacturer.
4. Which Michigan agency administers boiler installer licensing?
A. Michigan Department of Agriculture
B. Michigan Department of Licensing and Regulatory Affairs
C. Michigan Department of Transportation
D. Michigan Treasury Department
Answer: B. Michigan Department of Licensing and Regulatory Affairs
Rationale: LARA's Bureau of Construction Codes administers Michigan boiler licensing and
code requirements.
5. Before covered boiler installation work begins, what must generally be obtained?
A. Property tax certificate
B. Boiler permit
, C. Building appraisal
D. Environmental impact statement
Answer: B. Boiler permit
Rationale: Michigan requires a permit before covered boiler installation, alteration, or repair
proceeds.
6. Who may obtain a boiler permit for covered work?
A. Any homeowner
B. Properly licensed person for the work
C. Equipment salesperson
D. Material supplier
Answer: B. Properly licensed person for the work
Rationale: Michigan states that permits will not be issued to unlicensed persons for covered
boiler work.
7. What is the primary purpose of Michigan's boiler law?
A. Increase fuel consumption
B. Promote safe construction, installation, repair, and inspection
250 Questions & Answers with Detailed Rationales | MI
2B Boiler License Exam Prep | Complete Study Guide
LATEST UPDATED THIS YEAR
Coverage
Michigan Class 2B boiler installer licensing
Michigan boiler permits and regulations
Boiler installer classifications
Low-pressure boiler installation
Boiler fundamentals
Steam and hydronic systems
Boiler components and accessories
Safety valves and low-water cutoffs
Burners and combustion
Fuel-gas systems
Combustion controls and flame safeguards
Hydronic circulation and expansion tanks
Steam traps and condensate return
Boiler piping and ASME B31.1 concepts
Welding and nondestructive examination
Pressure and leak testing
Electrical controls and lockout/tagout
Boiler-room safety
Commissioning and startup
Inspection and documentation
Troubleshooting and maintenance
Michigan-specific professional practice
Questions 1–25: Michigan Licensing, Scope & Regulations
1. What does a Michigan Class 2B boiler installer license authorize the holder to
install?
A. Nuclear heat source boilers only
B. Low-pressure boilers of any capacity or firing rate
,C. Power boilers up to 5,000 lb/hr only
D. High-pressure piping only
Answer: B. Low-pressure boilers of any capacity or firing rate
Rationale: Michigan identifies Class 2B as qualifying the licensee to install low-pressure
boilers of any capacity or firing rate.
2. A Class 2B installer may also perform work covered by which lower classification?
A. Class 6B
B. Class 5B
C. Class 1B
D. Class P only
Answer: C. Class 1B
Rationale: Class 2B includes the work authorized under Class 1B.
3. What is the maximum firing rate limitation for a Class 1B low-pressure boiler
installer?
A. 500,000 BTU/hr
B. 750,000 BTU/hr
,C. 1,000,000 BTU/hr
D. 5,000,000 BTU/hr
Answer: C. 1,000,000 BTU/hr
Rationale: Class 1B is limited to a low-pressure boiler not exceeding 1,000,000 BTU/hr as
certified by the manufacturer.
4. Which Michigan agency administers boiler installer licensing?
A. Michigan Department of Agriculture
B. Michigan Department of Licensing and Regulatory Affairs
C. Michigan Department of Transportation
D. Michigan Treasury Department
Answer: B. Michigan Department of Licensing and Regulatory Affairs
Rationale: LARA's Bureau of Construction Codes administers Michigan boiler licensing and
code requirements.
5. Before covered boiler installation work begins, what must generally be obtained?
A. Property tax certificate
B. Boiler permit
, C. Building appraisal
D. Environmental impact statement
Answer: B. Boiler permit
Rationale: Michigan requires a permit before covered boiler installation, alteration, or repair
proceeds.
6. Who may obtain a boiler permit for covered work?
A. Any homeowner
B. Properly licensed person for the work
C. Equipment salesperson
D. Material supplier
Answer: B. Properly licensed person for the work
Rationale: Michigan states that permits will not be issued to unlicensed persons for covered
boiler work.
7. What is the primary purpose of Michigan's boiler law?
A. Increase fuel consumption
B. Promote safe construction, installation, repair, and inspection
