1|Page
MA Unrestricted CSL Exam ACTUAL VERIFIED EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
LATEST UPDATE.pdf
What is the clearance required from the opening of a
fireplace to combustibles such as trim and mantels placed
directly on the front of the fireplace? - Answer-6 inches
IBC - section 2111.11 - exception 4
What is the minimum required flue size for a rectangular
flue in a chimney serving a fireplace for a single family
dwelling with an opening of 500 square inches with a
height of 15 feet? - Answer-8 x 12
IRC - figure R1003.15.2
Which of the following is NOT an effective method of
preventing efflorescence?
A. forming good mortar joints
B. using high-early strength cement
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C. stocking materials off of the ground
D. covering materials at all times - Answer-Using high-
early strength cement
class handouts
What is the maximum temperature a flue lining used in a
residential-type appliance in a masonry chimney, in a
single family dwelling, must resist? - Answer-1,800
degrees F
IRC - section R1003.11.1 #4
Which of the following is NOT true regarding the
placement of masonry units in a single family dwelling?
A. mortar shall be plastic
B. surfaces shall be clean and free of deleterious material
C. units where initial bond is broken shall be removes and
relaid
D. deep furrowing of bed joints - Answer-Deep furrowing of
bed joints
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IRC - section 607.2.2
What is the minimum required depth of fireplace
fireblocking between wood joists, beams or headers? -
Answer-1 inch
IBC - section 2111.12
What is the minimum required thickness of a mortar joint
in a masonry unit wall in a one or two family dwelling? -
Answer-3/8 inch
IRC - section R607.2.1
In a single family dwelling with an 8:12 roof pitch and a
cricket hight of 12 inches, what is the width of the cricket?
- Answer-36 inches
IRC - table R1003.20
A child day care facility that provides care on a 24 hour
basis for more than five children two years nine months of
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age or less shall be classified as Use Group _____ ? -
Answer-1-4
IBC - section 308.5.2 - mass amendments
When conducting strength test of concrete, test are not
required when the volume of concrete is less than ____
cubic yards, and evidence of satisfactory strength is
submitted to and approved by the building official -
Answer-10
IBC - section 1905.6.2 - exceptions-mass amendments
The minimum amount of glazing area required for a
habitable room in a single family dwelling that measures
20 ft. x 30 ft. is ____ square feet - Answer-48
IRC - section R303.1
Which type of construction best describes a structure
consisting of exterior walls constructed of noncombustible
materials and the interior building elements are of solid or
MA Unrestricted CSL Exam ACTUAL VERIFIED EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
LATEST UPDATE.pdf
What is the clearance required from the opening of a
fireplace to combustibles such as trim and mantels placed
directly on the front of the fireplace? - Answer-6 inches
IBC - section 2111.11 - exception 4
What is the minimum required flue size for a rectangular
flue in a chimney serving a fireplace for a single family
dwelling with an opening of 500 square inches with a
height of 15 feet? - Answer-8 x 12
IRC - figure R1003.15.2
Which of the following is NOT an effective method of
preventing efflorescence?
A. forming good mortar joints
B. using high-early strength cement
,2|Page
C. stocking materials off of the ground
D. covering materials at all times - Answer-Using high-
early strength cement
class handouts
What is the maximum temperature a flue lining used in a
residential-type appliance in a masonry chimney, in a
single family dwelling, must resist? - Answer-1,800
degrees F
IRC - section R1003.11.1 #4
Which of the following is NOT true regarding the
placement of masonry units in a single family dwelling?
A. mortar shall be plastic
B. surfaces shall be clean and free of deleterious material
C. units where initial bond is broken shall be removes and
relaid
D. deep furrowing of bed joints - Answer-Deep furrowing of
bed joints
,3|Page
IRC - section 607.2.2
What is the minimum required depth of fireplace
fireblocking between wood joists, beams or headers? -
Answer-1 inch
IBC - section 2111.12
What is the minimum required thickness of a mortar joint
in a masonry unit wall in a one or two family dwelling? -
Answer-3/8 inch
IRC - section R607.2.1
In a single family dwelling with an 8:12 roof pitch and a
cricket hight of 12 inches, what is the width of the cricket?
- Answer-36 inches
IRC - table R1003.20
A child day care facility that provides care on a 24 hour
basis for more than five children two years nine months of
, 4|Page
age or less shall be classified as Use Group _____ ? -
Answer-1-4
IBC - section 308.5.2 - mass amendments
When conducting strength test of concrete, test are not
required when the volume of concrete is less than ____
cubic yards, and evidence of satisfactory strength is
submitted to and approved by the building official -
Answer-10
IBC - section 1905.6.2 - exceptions-mass amendments
The minimum amount of glazing area required for a
habitable room in a single family dwelling that measures
20 ft. x 30 ft. is ____ square feet - Answer-48
IRC - section R303.1
Which type of construction best describes a structure
consisting of exterior walls constructed of noncombustible
materials and the interior building elements are of solid or
