MASSACHUSETTS CSL PRACTICE AND REVIEW
MASSACHUSETTS CSL PRACTICE AND REVIEW
QUESTIONS AND ANSWERS GRADED A+
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 ANS >> 48
IRC - section R303.1
The connection between a pressure treated deck ledger and a 2-inch nominal
lumber band joist in a single-family dwelling, bearing on a sill plate or wall, shall
be constructed with a minimum ____ inch lad screw or bolt ANS >> 1/2
IRC - section R502.2.2.1
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? ANS >> 8 x 12
,MASSACHUSETTS CSL PRACTICE AND REVIEW
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 ANS >> B. 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? ANS >>
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 re-laid
D. deep furrowing of bed joints ANS >> D. Deep furrowing of bed joints
, MASSACHUSETTS CSL PRACTICE AND REVIEW
IRC - section 607.2.2
What is the minimum required thickness of a mortar joint in a masonry unit wall
in a one- or two-family dwelling? ANS >> 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? ANS >> 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 were passing through
roof
C. chimneys may be unlined
D. walls must be a minimum of 4 inches in thickness ANS >> C. chimneys may be
unlined
IRC - section R1003.11
MASSACHUSETTS CSL PRACTICE AND REVIEW
QUESTIONS AND ANSWERS GRADED A+
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 ANS >> 48
IRC - section R303.1
The connection between a pressure treated deck ledger and a 2-inch nominal
lumber band joist in a single-family dwelling, bearing on a sill plate or wall, shall
be constructed with a minimum ____ inch lad screw or bolt ANS >> 1/2
IRC - section R502.2.2.1
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? ANS >> 8 x 12
,MASSACHUSETTS CSL PRACTICE AND REVIEW
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 ANS >> B. 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? ANS >>
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 re-laid
D. deep furrowing of bed joints ANS >> D. Deep furrowing of bed joints
, MASSACHUSETTS CSL PRACTICE AND REVIEW
IRC - section 607.2.2
What is the minimum required thickness of a mortar joint in a masonry unit wall
in a one- or two-family dwelling? ANS >> 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? ANS >> 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 were passing through
roof
C. chimneys may be unlined
D. walls must be a minimum of 4 inches in thickness ANS >> C. chimneys may be
unlined
IRC - section R1003.11
