MASSACHUSETTS UNRESTRICTED CSL NEWEST ACTUAL
2025/2026 PRACTICE AND REVIEW NEWEST ACTUAL
2025/2026 WITH COMPLETE QUESTIONS AND ANSWERS
/VERIFIED/GRADED A+
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?
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?
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
,C. stocking materials off of the ground
D. covering materials at all times
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?
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
Deep furrowing of bed joints
,IRC - section 607.2.2
What is the minimum required depth of fireplace fireblocking
between wood joists, beams or headers?
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?
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?
36 inches
IRC - table R1003.20
, Which of the following is NOT true regarding masonry
chimneys in a one or two family dwelling?
A. chimneys may support additional loads if designed to do so
B. must extend a minimum of 3 feet above highest point where
passing through roof
C. chimneys may be unlined
D. walls must be a minimum of 4 inches in thickness
Chimneys may be unlined
IRC - section R1003.11
Which of the following is NOT true regarding second-hand
masonry units?
A. old mortar must be cleaned from unit
B. units must be free of cracks and other defects
C. units must conform to requirements of new units
D. may not be used under any circumstances
May not be used under any circumstances
IBC - section 2103.7
2025/2026 PRACTICE AND REVIEW NEWEST ACTUAL
2025/2026 WITH COMPLETE QUESTIONS AND ANSWERS
/VERIFIED/GRADED A+
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?
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?
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
,C. stocking materials off of the ground
D. covering materials at all times
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?
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
Deep furrowing of bed joints
,IRC - section 607.2.2
What is the minimum required depth of fireplace fireblocking
between wood joists, beams or headers?
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?
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?
36 inches
IRC - table R1003.20
, Which of the following is NOT true regarding masonry
chimneys in a one or two family dwelling?
A. chimneys may support additional loads if designed to do so
B. must extend a minimum of 3 feet above highest point where
passing through roof
C. chimneys may be unlined
D. walls must be a minimum of 4 inches in thickness
Chimneys may be unlined
IRC - section R1003.11
Which of the following is NOT true regarding second-hand
masonry units?
A. old mortar must be cleaned from unit
B. units must be free of cracks and other defects
C. units must conform to requirements of new units
D. may not be used under any circumstances
May not be used under any circumstances
IBC - section 2103.7
