EXAM Actual Questions With Answers &
Rationales | Pdf
This exam covers the core content areas of the Michigan Boiler Installer 2B licensing exam:
Michigan licensing law, Skilled Trades Regulation Act, and administrative rules
ASME Section IV (Heating Boilers) and ASME CSD-1 (Controls and Safety Devices)
Boiler types, classification, and fundamentals
Installation procedures, clearances, and piping systems
Controls, safety devices, and operating sequences
Combustion, fuel systems, and draft control
Water treatment and boiler water chemistry
Safety, maintenance, and troubleshooting procedures
Note on the actual exam: The Michigan Boiler Installer 2B examination is administered by the
Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes,
Boiler Division. The exam is open-book, and candidates are responsible for bringing the
applicable code books. A minimum passing score of 70% is required. Key reference materials
include the Michigan Boiler Rules, ASME Section IV (Heating Boilers), and ASME CSD-1 (Controls
and Safety Devices for Automatically Fired Boilers).
SECTION 1: LICENSING, REGULATIONS & MICHIGAN LAW (Questions 1–30)
1. What is the primary scope of work authorized by a Michigan Class 2B boiler
installer license?
A) Installing low-pressure boilers not exceeding 1,000,000 BTU/hr
B) Installing low-pressure boilers of any capacity or firing rate
C) Installing high-pressure power boilers of any size
D) Installing nuclear heat source boilers
,Answer: B – Installing low-pressure boilers of any capacity or firing rate
Rationale: Per Michigan Administrative Code R. 339.5174(2), a class 2B installer's license
qualifies an individual to install a low-pressure boiler of any capacity or firing rate, as well as
perform work covered by a class 1B license.
2. Under the Michigan Skilled Trades Regulation Act, a Class 2B license also allows
the holder to install a power boiler with a capacity not exceeding:
A) 1,000 pounds of steam per hour
B) 2,500 pounds of steam per hour
C) 5,000 pounds of steam per hour
D) 10,000 pounds of steam per hour
Answer: C – 5,000 pounds of steam per hour
Rationale: A Class 2B license qualifies the holder to install a power boiler that has a
capacity of not more than 5,000 pounds of steam per hour.
3. Which Michigan statute governs the licensing of boiler installers?
A) Act 290 of 1965
B) The Skilled Trades Regulation Act, 2016 PA 407
C) The Michigan Occupational Code, Act 299 of 1980
D) The Construction Code Act, Act 230 of 1972
Answer: B – The Skilled Trades Regulation Act, 2016 PA 407
Rationale: Boiler installer licensing in Michigan is governed by the Skilled Trades Regulation
Act, 2016 PA 407, MCL 339.5101 to 339.6133.
,4. How many years of experience installing boilers are required to apply for a Class
2B installer license?
A) 2 years
B) 3 years
C) 5 years
D) 7 years
Answer: C – 5 years
Rationale: Per Michigan Boiler Rule 91, an applicant for a boiler installer's license shall have
not less than 5 years of experience in all phases of boiler installation in the class of license
for which the applicant is applying.
5. What is the minimum passing score on the Michigan Boiler Installer 2B
examination?
A) 60%
B) 65%
C) 70%
D) 75%
Answer: C – 70%
Rationale: The Michigan Boiler Installer 2B examination requires a minimum passing score
of 70% to demonstrate competency in boiler installation principles and safety.
6. The Michigan Boiler Installer exam is:
A) Closed-book
B) Open-book with code books provided by the state
, C) Open-book with the examinee responsible for bringing applicable code books
D) Oral examination only
Answer: C – Open-book with the examinee responsible for bringing applicable code
books
Rationale: The examination is open book, and the examinee is responsible to bring the
applicable code books to the examination.
7. How often are boiler installer examinations offered in Michigan?
A) Monthly
B) Quarterly (March, June, September, December)
C) Semi-annually
D) Annually
Answer: B – Quarterly (March, June, September, December)
Rationale: Examinations are offered quarterly: March, June, September, and December, on
the first Wednesday and/or Thursday of the month.
8. How many days prior to the examination date must applications be received?
A) 15 days
B) 30 days
C) 45 days
D) 60 days
Answer: B – 30 days
Rationale: Applications must be received in the boiler division office 30 days prior to the
examination date.