Massachusetts Construction Supervisor License
Exam ACTUAL EXAM 2026 | Massachusetts CSL Exam
|| MOST RECENT EXAM 2026|2027 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ |
GUARANTEED SUCCESS!! NEWEST EXAM |
JUST RELEASED!!
Bathrooms in single-family dwellings shall have a minimum
intermittent exhaust rate of:
A. 25 CFM
B. 40 CFM
C. 50 CFM
D. 75 CFM
Answer: C. 50 CFM
Rationale: The source material identifies 50 CFM as the minimum
intermittent exhaust rate for bathrooms in single-family dwellings.
Adequate exhaust ventilation helps remove moisture and odors from
the bathroom.
Fire blocking between barriers shall be applied horizontally at
intervals not exceeding:
,A. 6 feet
B. 8 feet
C. 10 feet
D. 12 feet
Answer: C. 10 feet
Rationale: The provided material specifies that horizontal fire blocking
between barriers must be installed at intervals not exceeding 10 feet.
Fire blocking limits the movement of fire and smoke through concealed
spaces.
What size vapor retarder is required under the concrete slab in a
single-family home?
A. 4 mil
B. 6 mil
C. 8 mil
D. 10 mil
Answer: D. 10 mil
Rationale: According to the supplied exam material, a 10-mil vapor
retarder is required under the concrete slab in a single-family home.
,Notches in joists, rafters, or beams at the end of the member shall not
exceed what fraction of the member's depth?
A. One-sixth
B. One-fourth
C. One-third
D. One-half
Answer: B. One-fourth
Rationale: The source identifies one-fourth of the member's depth as
the maximum end-notch dimension. Limiting notches helps preserve
the structural capacity of the framing member.
Smoke alarms shall not be installed less than how far from the door or
opening to a bathroom containing a tub or shower?
A. 1 foot
B. 2 feet
C. 3 feet
D. 5 feet
Answer: C. 3 feet
Rationale: The supplied material specifies a minimum separation of 3
feet from the door or opening of a bathroom containing a tub or
, shower. This placement helps reduce nuisance alarms caused by
bathroom moisture.
What is the fire-rating requirement for an elevator shaft in a five-story
building?
A. 1 hour
B. 1.5 hours
C. 2 hours
D. 3 hours
Answer: D. 3 hours
Rationale: The provided exam material gives a 3-hour fire rating for
the elevator shaft in the stated five-story building scenario.
Built-up roofs shall have a minimum slope of how many units vertical
in 12 units horizontal for drainage?
A. 1/8 unit
B. 1/4 unit
C. 1/2 unit
D. 1 unit
Answer: B. 1/4 unit
Exam ACTUAL EXAM 2026 | Massachusetts CSL Exam
|| MOST RECENT EXAM 2026|2027 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ |
GUARANTEED SUCCESS!! NEWEST EXAM |
JUST RELEASED!!
Bathrooms in single-family dwellings shall have a minimum
intermittent exhaust rate of:
A. 25 CFM
B. 40 CFM
C. 50 CFM
D. 75 CFM
Answer: C. 50 CFM
Rationale: The source material identifies 50 CFM as the minimum
intermittent exhaust rate for bathrooms in single-family dwellings.
Adequate exhaust ventilation helps remove moisture and odors from
the bathroom.
Fire blocking between barriers shall be applied horizontally at
intervals not exceeding:
,A. 6 feet
B. 8 feet
C. 10 feet
D. 12 feet
Answer: C. 10 feet
Rationale: The provided material specifies that horizontal fire blocking
between barriers must be installed at intervals not exceeding 10 feet.
Fire blocking limits the movement of fire and smoke through concealed
spaces.
What size vapor retarder is required under the concrete slab in a
single-family home?
A. 4 mil
B. 6 mil
C. 8 mil
D. 10 mil
Answer: D. 10 mil
Rationale: According to the supplied exam material, a 10-mil vapor
retarder is required under the concrete slab in a single-family home.
,Notches in joists, rafters, or beams at the end of the member shall not
exceed what fraction of the member's depth?
A. One-sixth
B. One-fourth
C. One-third
D. One-half
Answer: B. One-fourth
Rationale: The source identifies one-fourth of the member's depth as
the maximum end-notch dimension. Limiting notches helps preserve
the structural capacity of the framing member.
Smoke alarms shall not be installed less than how far from the door or
opening to a bathroom containing a tub or shower?
A. 1 foot
B. 2 feet
C. 3 feet
D. 5 feet
Answer: C. 3 feet
Rationale: The supplied material specifies a minimum separation of 3
feet from the door or opening of a bathroom containing a tub or
, shower. This placement helps reduce nuisance alarms caused by
bathroom moisture.
What is the fire-rating requirement for an elevator shaft in a five-story
building?
A. 1 hour
B. 1.5 hours
C. 2 hours
D. 3 hours
Answer: D. 3 hours
Rationale: The provided exam material gives a 3-hour fire rating for
the elevator shaft in the stated five-story building scenario.
Built-up roofs shall have a minimum slope of how many units vertical
in 12 units horizontal for drainage?
A. 1/8 unit
B. 1/4 unit
C. 1/2 unit
D. 1 unit
Answer: B. 1/4 unit
