MASSACHUSETTS CONSTRUCTION SUPERVISORS LICENSE EXAM
PREP – 2025 STUDY GUIDE WITH 300 VERIFIED QUESTIONS AND
ANSWERS FOR CSL CERTIFICATION ALREADY GRADED A+
THIS RESOURCE PREPARES CANDIDATES FOR THE MASSACHUSETTS
CONSTRUCTION SUPERVISORS LICENSE EXAM BY COVERING ESSENTIAL TOPICS
SUCH AS STATE BUILDING CODE, STRUCTURAL REQUIREMENTS, ENERGY
EFFICIENCY STANDARDS, SAFETY REGULATIONS, AND PERMITTING RULES.
IDEAL FOR THOSE SEEKING TO PASS THE 2025 CSL EXAM AND MEET
MASSACHUSETTS LICENSING REQUIREMENTS FOR RESIDENTIAL AND
COMMERCIAL CONSTRUCTION SUPERVISION.
Condensate from cooling coils or evaporators shall be conveyed from the drain pan outlet to
________________.
A. the outside
B. an approved place of disposal
C. a larger pan
D. any of the above - CORRECT ANSWER-an approved place of disposal
What is the minimum thickness of Portland cement mortar must be applied from the footing to the
finish grade of an exterior foundation wall for damp proofing?
A. 1-3/8"
B. 1"
C. 1-1/2"
D. 3/8" - CORRECT ANSWER-3/8"
A type 4 building is also described as ______________ construction.
A. combustible
B. solid
C. heaver timber
D. fire resistant - CORRECT ANSWER-heavy timber
A fall protection plan must include all of the following except:
,A. Procedures for the rescue of a fallen worker
B. Administrative notes
C. Maintenance notes
D. A competent person to implement and supervise the plan - CORRECT ANSWER-Administrative
notes
What is the required R value for wood frames walls in MA?
A. 13
B. 21 or 15+3
C. 19
D. 20 or 13+5 - CORRECT ANSWER-20 or 13+5
In a single-family home, except for kitchens, what is the minimum square footage that a room is
considered habitable?
A. 70
B. 50
C. 100
D. No minimum - CORRECT ANSWER-70
When an occupant load is 50 or more, egress doors shall:
A. Swing inward
B. Be revolving doors
C. Swing in the direction of egress travel
D. Be double doors - CORRECT ANSWER-Swing in the direction of egress travel
Handrails shall be provided on at least one side of each continuous run of stairs with ___________
or more risers.
A. 4
B. 6
C. 12
D. 10 - CORRECT ANSWER-4
,Ladders must extend _________ feet beyond the eaves or edge of a roof.
A. 3
B. 2
C. 4
D. 2.5 - CORRECT ANSWER-3
Ferrous metals contain mostly what?
A. Zinc
B. Iron
C. Lead
D. Aluminum - CORRECT ANSWER-Iron
Walls that separate sleeping units in the same building must comply with the provisions for
_________________?
A. Smoke partitions
B. Smoke barriers
C. Fire partitions
D. Fire barriers - CORRECT ANSWER-Fire partitions
Energy code requires that non-conditioned space which is altered to become conditioned space:
A. Must be brought into partial compliance
B. Must be brought into full compliance
C. Nothing is required
D. It is not allowed - CORRECT ANSWER-Must be brought into full compliance
Habitable rooms are required to have natural light with an aggregate glazing area that's not at least
_____% of the floor area.
A. 10
B. 8
C. 4
D. 6 - CORRECT ANSWER-8
, Masonry chimney cleanout openings shall be provided within _____ inches of the base of each flue.
A. 24
B. 4
C. 12
D. 6 - CORRECT ANSWER-6
What type of mortar can be used with masonry veneer?
A. A or B
B. A or F
C. F or M
D. N or S - CORRECT ANSWER-N or S
Openings through fire walls cannot exceed _____ square feet. The aggregated width of all openings
at any floor level in a non-sprinkled building shall not exceed _____% of the length of the wall.
A. 156, 25
B. 100, 25
C. 50, 25
D. 156, 50 - CORRECT ANSWER-156, 25
Excluding exceptions, glass unit masonry shall NOT be used in fire walls, party walls, fire barriers, fire
partitions, smoke barriers, or for _____.
A. Load bearing construction
B. Interior Walls
C. Exterior Walls
D. All of the above - CORRECT ANSWER-Load bearing construction
In a commercial building, what is the minimum amount and type of nails with which wood collar ties
must be face nailed to rafters?
A. 3 16d common
B. 3 10d common
C. 2 16d common
PREP – 2025 STUDY GUIDE WITH 300 VERIFIED QUESTIONS AND
ANSWERS FOR CSL CERTIFICATION ALREADY GRADED A+
THIS RESOURCE PREPARES CANDIDATES FOR THE MASSACHUSETTS
CONSTRUCTION SUPERVISORS LICENSE EXAM BY COVERING ESSENTIAL TOPICS
SUCH AS STATE BUILDING CODE, STRUCTURAL REQUIREMENTS, ENERGY
EFFICIENCY STANDARDS, SAFETY REGULATIONS, AND PERMITTING RULES.
IDEAL FOR THOSE SEEKING TO PASS THE 2025 CSL EXAM AND MEET
MASSACHUSETTS LICENSING REQUIREMENTS FOR RESIDENTIAL AND
COMMERCIAL CONSTRUCTION SUPERVISION.
Condensate from cooling coils or evaporators shall be conveyed from the drain pan outlet to
________________.
A. the outside
B. an approved place of disposal
C. a larger pan
D. any of the above - CORRECT ANSWER-an approved place of disposal
What is the minimum thickness of Portland cement mortar must be applied from the footing to the
finish grade of an exterior foundation wall for damp proofing?
A. 1-3/8"
B. 1"
C. 1-1/2"
D. 3/8" - CORRECT ANSWER-3/8"
A type 4 building is also described as ______________ construction.
A. combustible
B. solid
C. heaver timber
D. fire resistant - CORRECT ANSWER-heavy timber
A fall protection plan must include all of the following except:
,A. Procedures for the rescue of a fallen worker
B. Administrative notes
C. Maintenance notes
D. A competent person to implement and supervise the plan - CORRECT ANSWER-Administrative
notes
What is the required R value for wood frames walls in MA?
A. 13
B. 21 or 15+3
C. 19
D. 20 or 13+5 - CORRECT ANSWER-20 or 13+5
In a single-family home, except for kitchens, what is the minimum square footage that a room is
considered habitable?
A. 70
B. 50
C. 100
D. No minimum - CORRECT ANSWER-70
When an occupant load is 50 or more, egress doors shall:
A. Swing inward
B. Be revolving doors
C. Swing in the direction of egress travel
D. Be double doors - CORRECT ANSWER-Swing in the direction of egress travel
Handrails shall be provided on at least one side of each continuous run of stairs with ___________
or more risers.
A. 4
B. 6
C. 12
D. 10 - CORRECT ANSWER-4
,Ladders must extend _________ feet beyond the eaves or edge of a roof.
A. 3
B. 2
C. 4
D. 2.5 - CORRECT ANSWER-3
Ferrous metals contain mostly what?
A. Zinc
B. Iron
C. Lead
D. Aluminum - CORRECT ANSWER-Iron
Walls that separate sleeping units in the same building must comply with the provisions for
_________________?
A. Smoke partitions
B. Smoke barriers
C. Fire partitions
D. Fire barriers - CORRECT ANSWER-Fire partitions
Energy code requires that non-conditioned space which is altered to become conditioned space:
A. Must be brought into partial compliance
B. Must be brought into full compliance
C. Nothing is required
D. It is not allowed - CORRECT ANSWER-Must be brought into full compliance
Habitable rooms are required to have natural light with an aggregate glazing area that's not at least
_____% of the floor area.
A. 10
B. 8
C. 4
D. 6 - CORRECT ANSWER-8
, Masonry chimney cleanout openings shall be provided within _____ inches of the base of each flue.
A. 24
B. 4
C. 12
D. 6 - CORRECT ANSWER-6
What type of mortar can be used with masonry veneer?
A. A or B
B. A or F
C. F or M
D. N or S - CORRECT ANSWER-N or S
Openings through fire walls cannot exceed _____ square feet. The aggregated width of all openings
at any floor level in a non-sprinkled building shall not exceed _____% of the length of the wall.
A. 156, 25
B. 100, 25
C. 50, 25
D. 156, 50 - CORRECT ANSWER-156, 25
Excluding exceptions, glass unit masonry shall NOT be used in fire walls, party walls, fire barriers, fire
partitions, smoke barriers, or for _____.
A. Load bearing construction
B. Interior Walls
C. Exterior Walls
D. All of the above - CORRECT ANSWER-Load bearing construction
In a commercial building, what is the minimum amount and type of nails with which wood collar ties
must be face nailed to rafters?
A. 3 16d common
B. 3 10d common
C. 2 16d common
