Michigan Boiler Installer 2B Practice
Exam Questions and Answers Plus
Rationales
1. When installing a low-pressure steam boiler in Michigan under the
Skilled Trades Regulation Act (PA 407 of 2016), what is the
minimum operator experience required for licensing?
A. 2 years
B. 3 years
C. 4 years
D. 5 years
B. 3 years
Because Michigan requires three years of experience for each
classification applied for. ServiceTitan+2Quizlet+2
2. Which code edition is currently referenced by the state for
mechanical work including boilers in Michigan?
A. 2015 Michigan Mechanical Code
B. 2018 Michigan Mechanical Code
C. 2021 Michigan Mechanical Code
D. 2024 Michigan Mechanical Code
C. 2021 Michigan Mechanical Code
The reference materials list shows the 2021 Michigan Mechanical
Code for licensing examinations. Michigan+1
3. Under the Michigan licensing rules, which act governs the
statewide single-state construction code?
, A. Public Act 230 of 1972
B. Public Act 407 of 2016
C. Public Act 299 of 1980
D. Public Act 451 of 1994
A. Public Act 230 of 1972
The Stille-DeRossett-Hale Single State Construction Code Act is
PA 230. Quizlet+1
4. For a boiler system in Michigan, whose responsibility is it to secure
the permit for installation?
A. Homeowner
B. Mechanical contractor
C. Equipment supplier
D. Inspector
B. Mechanical contractor
The licensed mechanical contractor must secure permits, as noted
in the mechanical licensing information. Michigan+1
5. What is the minimum passing score for a mechanical contractor
exam in Michigan?
A. 65%
B. 70%
C. 75%
D. 80%
B. 70%
The guide states you must receive a 70% to pass. ServiceTitan
6. When sizing venting for a hydronic boiler, which standard is
referenced in Michigan’s exam reading list?
A. ASME B31.3
, B. ANSI/SMACNA 006
C. ACCA Manual D
D. None of the above
A. ASME B31.3
The reading list for hydronic heating includes ASME Standard
B31.3. Michigan
7. A boiler is classified as “unlimited heating service.” Under
Michigan law, this classification allows what?
A. Installation of boiler only in residential homes
B. Installation, servicing, and securing permits for all heating
systems
C. Servicing boilers only, installation prohibited
D. None of the above
B. Installation, servicing, and securing permits for all heating
systems
Unlimited heating service means full scope of heating contractor
responsibilities. This is consistent with classifications
listed. ServiceTitan+1
8. Which code governs fuel gas piping and venting that may be
relevant to boiler work?
A. 2015 Michigan Residential Code
B. 2021 International Fuel Gas Code
C. 2018 National Fuel Gas Code
D. 2021 Michigan Plumbing Code
B. 2021 International Fuel Gas Code
Reading list includes IFGC 2021 for fuel-gas. Michigan
, 9. During inspection of a steam boiler’s safety valve, which of the
following is required?
A. Safety valve must be removed for inspection every 10 years
B. Safety valve must relieve at set pressure and reseat properly
C. Safety valve may be blocked if downstream drain is in use
D. Safety valve set pressure may be increased by local inspector
B. Safety valve must relieve at set pressure and reseat properly
Safety valves are required to function at set relief pressure and
reseat; blocking is prohibited under standard boiler practices.
10. If a contractor holds a Michigan mechanical license but
moves to a different classification (e.g., from limited heating to
unlimited heating), what is required before securing permits in the
new classification?
A. Nothing – license covers all classifications
B. One year supervision under another licensee
C. Pass an exam for the new classification
D. Submit a new application with no exam
C. Pass an exam for the new classification
Each classification requires its own exam under Michigan licensing
rules. Michigan+1
11. For a hydronic boiler system, what is the maximum allowable
pressure for a “low-pressure” steam boiler in a heating
application?
A. 10 psi
B. 15 psi
C. 20 psi
D. 25 psi
B. 15 psi
Exam Questions and Answers Plus
Rationales
1. When installing a low-pressure steam boiler in Michigan under the
Skilled Trades Regulation Act (PA 407 of 2016), what is the
minimum operator experience required for licensing?
A. 2 years
B. 3 years
C. 4 years
D. 5 years
B. 3 years
Because Michigan requires three years of experience for each
classification applied for. ServiceTitan+2Quizlet+2
2. Which code edition is currently referenced by the state for
mechanical work including boilers in Michigan?
A. 2015 Michigan Mechanical Code
B. 2018 Michigan Mechanical Code
C. 2021 Michigan Mechanical Code
D. 2024 Michigan Mechanical Code
C. 2021 Michigan Mechanical Code
The reference materials list shows the 2021 Michigan Mechanical
Code for licensing examinations. Michigan+1
3. Under the Michigan licensing rules, which act governs the
statewide single-state construction code?
, A. Public Act 230 of 1972
B. Public Act 407 of 2016
C. Public Act 299 of 1980
D. Public Act 451 of 1994
A. Public Act 230 of 1972
The Stille-DeRossett-Hale Single State Construction Code Act is
PA 230. Quizlet+1
4. For a boiler system in Michigan, whose responsibility is it to secure
the permit for installation?
A. Homeowner
B. Mechanical contractor
C. Equipment supplier
D. Inspector
B. Mechanical contractor
The licensed mechanical contractor must secure permits, as noted
in the mechanical licensing information. Michigan+1
5. What is the minimum passing score for a mechanical contractor
exam in Michigan?
A. 65%
B. 70%
C. 75%
D. 80%
B. 70%
The guide states you must receive a 70% to pass. ServiceTitan
6. When sizing venting for a hydronic boiler, which standard is
referenced in Michigan’s exam reading list?
A. ASME B31.3
, B. ANSI/SMACNA 006
C. ACCA Manual D
D. None of the above
A. ASME B31.3
The reading list for hydronic heating includes ASME Standard
B31.3. Michigan
7. A boiler is classified as “unlimited heating service.” Under
Michigan law, this classification allows what?
A. Installation of boiler only in residential homes
B. Installation, servicing, and securing permits for all heating
systems
C. Servicing boilers only, installation prohibited
D. None of the above
B. Installation, servicing, and securing permits for all heating
systems
Unlimited heating service means full scope of heating contractor
responsibilities. This is consistent with classifications
listed. ServiceTitan+1
8. Which code governs fuel gas piping and venting that may be
relevant to boiler work?
A. 2015 Michigan Residential Code
B. 2021 International Fuel Gas Code
C. 2018 National Fuel Gas Code
D. 2021 Michigan Plumbing Code
B. 2021 International Fuel Gas Code
Reading list includes IFGC 2021 for fuel-gas. Michigan
, 9. During inspection of a steam boiler’s safety valve, which of the
following is required?
A. Safety valve must be removed for inspection every 10 years
B. Safety valve must relieve at set pressure and reseat properly
C. Safety valve may be blocked if downstream drain is in use
D. Safety valve set pressure may be increased by local inspector
B. Safety valve must relieve at set pressure and reseat properly
Safety valves are required to function at set relief pressure and
reseat; blocking is prohibited under standard boiler practices.
10. If a contractor holds a Michigan mechanical license but
moves to a different classification (e.g., from limited heating to
unlimited heating), what is required before securing permits in the
new classification?
A. Nothing – license covers all classifications
B. One year supervision under another licensee
C. Pass an exam for the new classification
D. Submit a new application with no exam
C. Pass an exam for the new classification
Each classification requires its own exam under Michigan licensing
rules. Michigan+1
11. For a hydronic boiler system, what is the maximum allowable
pressure for a “low-pressure” steam boiler in a heating
application?
A. 10 psi
B. 15 psi
C. 20 psi
D. 25 psi
B. 15 psi
