Massachusetts Construction Supervisor
Licensing Exam (CSL) Practice Exam 100
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
Q1
What is the primary purpose of the Massachusetts State Building Code?
A. To increase construction costs
B. To ensure public safety, health, and welfare
C. To promote construction industry profits
D. To reduce local government enforcement
Rationale: The code protects the public through standards for design and
construction.
Q2
Which version of the International Residential Code (IRC) is currently
adopted in Massachusetts with amendments?
,A. 2012 IRC
B. 2015 IRC
C. 2021 IRC (with MA amendments
D. 2018 IRC
Rationale: MA CSL exams are based on the current adopted IRC cycle with
state-specific amendments.
Q3
A building that contains a place of religious worship is classified as which
occupancy?
A. Group B
B. Group A-3
C. Group E
D. Group F-1
Rationale: Assembly uses such as worship fall under A-3.
Q4
Which soil type provides the least bearing capacity?
A. Gravel
B. Sand
C. Clay
D. Bedrock
Rationale: Clay is the weakest and most expansive soil type.
Q5
,The maximum rise for residential stair risers under the MA amendments is:
A. 8 1/4"
B. 8"
C. 7 1/2"
D. 7"
Rationale: MA modifies IRC to allow a maximum stair rise of 8 inches.
Q6
What is the minimum clear width of a residential stairway?
A. 30 inches
B. 36 inches
C. 32 inches
D. 40 inches
Rationale: Minimum width is 36" above handrail height.
Q7
What is the minimum ceiling height in habitable rooms?
A. 6' 6"
B. 7' 2"
C. 7' 0"
D. 8' 0"
Rationale: Habitable rooms require at least a 7’ ceiling.
Q8
, Handrails on stairs must be installed when the number of risers is:
A. 2 or more
B. 5 or more
C. 4 or more
D. 3 or more
Rationale: IRC mandates handrails for 4 or more risers.
Q9
Fireblocking is required at intervals not exceeding:
A. 15 feet
B. 8 feet
C. 10 feet
D. 6 feet
Rationale: Fireblocking every 10 feet vertically slows fire spread.
Q10
What is the minimum thickness for concrete foundation walls?
A. 6 inches
B. 7 inches
C. 8 inches
D. 10 inches
Rationale: Standard foundations require 8" thick concrete walls.
Q11
Licensing Exam (CSL) Practice Exam 100
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
Q1
What is the primary purpose of the Massachusetts State Building Code?
A. To increase construction costs
B. To ensure public safety, health, and welfare
C. To promote construction industry profits
D. To reduce local government enforcement
Rationale: The code protects the public through standards for design and
construction.
Q2
Which version of the International Residential Code (IRC) is currently
adopted in Massachusetts with amendments?
,A. 2012 IRC
B. 2015 IRC
C. 2021 IRC (with MA amendments
D. 2018 IRC
Rationale: MA CSL exams are based on the current adopted IRC cycle with
state-specific amendments.
Q3
A building that contains a place of religious worship is classified as which
occupancy?
A. Group B
B. Group A-3
C. Group E
D. Group F-1
Rationale: Assembly uses such as worship fall under A-3.
Q4
Which soil type provides the least bearing capacity?
A. Gravel
B. Sand
C. Clay
D. Bedrock
Rationale: Clay is the weakest and most expansive soil type.
Q5
,The maximum rise for residential stair risers under the MA amendments is:
A. 8 1/4"
B. 8"
C. 7 1/2"
D. 7"
Rationale: MA modifies IRC to allow a maximum stair rise of 8 inches.
Q6
What is the minimum clear width of a residential stairway?
A. 30 inches
B. 36 inches
C. 32 inches
D. 40 inches
Rationale: Minimum width is 36" above handrail height.
Q7
What is the minimum ceiling height in habitable rooms?
A. 6' 6"
B. 7' 2"
C. 7' 0"
D. 8' 0"
Rationale: Habitable rooms require at least a 7’ ceiling.
Q8
, Handrails on stairs must be installed when the number of risers is:
A. 2 or more
B. 5 or more
C. 4 or more
D. 3 or more
Rationale: IRC mandates handrails for 4 or more risers.
Q9
Fireblocking is required at intervals not exceeding:
A. 15 feet
B. 8 feet
C. 10 feet
D. 6 feet
Rationale: Fireblocking every 10 feet vertically slows fire spread.
Q10
What is the minimum thickness for concrete foundation walls?
A. 6 inches
B. 7 inches
C. 8 inches
D. 10 inches
Rationale: Standard foundations require 8" thick concrete walls.
Q11
