Massachusetts Construction Supervisor
License (CSL) Practice Exam Questions and
Verified Answers Plus Rationales 2025 |
Instant Download Pdf
What is the required R value for wood frame walls in MA?
A. 13
B. 21 or 15+3
C. 19
D. 20 or 13+5
CORRECT ANSWER ✓✓ 20 or 13+5
Rationale: Massachusetts energy code for climate zone 5 requires R-20 cavity insulation
or R-13 cavity plus R-5 continuous insulation for wood-frame walls.
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
Rationale: The IRC and Massachusetts amendments require a minimum of 70 square
feet for habitable rooms (excluding kitchens) to ensure adequate living space.
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
Rationale: Doors serving occupant loads of 50 or more must swing outward in the
direction of exit travel to facilitate rapid evacuation.
What is the minimum thickness of Portland cement mortar that 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"
, Rationale: A minimum 3/8-inch thick portland cement parge coat is required on
foundation walls below grade to provide dampproofing protection.
A type 4 building is also described as ______________ construction.
A. combustible
B. solid
C. heavy timber
D. fire resistant
CORRECT ANSWER ✓✓ heavy timber
Rationale: Type IV construction uses large-dimension solid wood members with fire-
resistant exterior walls, commonly known as heavy timber or mill construction.
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
Rationale: OSHA requires rescue procedures, competent person oversight, and
equipment maintenance, but general administrative notes are not mandated.
License (CSL) Practice Exam Questions and
Verified Answers Plus Rationales 2025 |
Instant Download Pdf
What is the required R value for wood frame walls in MA?
A. 13
B. 21 or 15+3
C. 19
D. 20 or 13+5
CORRECT ANSWER ✓✓ 20 or 13+5
Rationale: Massachusetts energy code for climate zone 5 requires R-20 cavity insulation
or R-13 cavity plus R-5 continuous insulation for wood-frame walls.
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
Rationale: The IRC and Massachusetts amendments require a minimum of 70 square
feet for habitable rooms (excluding kitchens) to ensure adequate living space.
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
Rationale: Doors serving occupant loads of 50 or more must swing outward in the
direction of exit travel to facilitate rapid evacuation.
What is the minimum thickness of Portland cement mortar that 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"
, Rationale: A minimum 3/8-inch thick portland cement parge coat is required on
foundation walls below grade to provide dampproofing protection.
A type 4 building is also described as ______________ construction.
A. combustible
B. solid
C. heavy timber
D. fire resistant
CORRECT ANSWER ✓✓ heavy timber
Rationale: Type IV construction uses large-dimension solid wood members with fire-
resistant exterior walls, commonly known as heavy timber or mill construction.
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
Rationale: OSHA requires rescue procedures, competent person oversight, and
equipment maintenance, but general administrative notes are not mandated.
