Massachusetts CSL Practice and review
Questions And Actual Answers.
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
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 - Answer 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? - 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
C. stocking materials off of the ground
D. covering materials at all times - Answer 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? - 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 D. Deep furrowing of bed joints
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? - 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
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 - Answer C. chimneys may be unlined
, IRC - section R1003.11
What is the diameter of a #6 re-bar? - Answer 3/4 inch
handouts
What is the reaction between water and portland cement which causes it to harden? - Answer heat of
hydration
handouts
Which is greater - 268 cubic feet or 9 cubic yards? - Answer 268 cubic feet
math formulas
In a single family dwelling, what is the minimum required change in elevation of the finished grade, at a
point 10 feet away from the face of the foundation wall? - Answer 6 inches
IRC - section R401.3
In a single family dwelling a 6 mil vapor barrier placed between the base coarse and concrete floor slab
for concrete floors on ground shall be lapped a minimum of ____ inches? - Answer 6 inches
IRC - section R506.2.3
What is the best type of concrete to use in areas where light sulfate resistance is required? - Answer
Type 2 portland cement
class 2 handouts - definitions and terminology
Questions And Actual Answers.
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
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 - Answer 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? - 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
C. stocking materials off of the ground
D. covering materials at all times - Answer 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? - 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 D. Deep furrowing of bed joints
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? - 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
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 - Answer C. chimneys may be unlined
, IRC - section R1003.11
What is the diameter of a #6 re-bar? - Answer 3/4 inch
handouts
What is the reaction between water and portland cement which causes it to harden? - Answer heat of
hydration
handouts
Which is greater - 268 cubic feet or 9 cubic yards? - Answer 268 cubic feet
math formulas
In a single family dwelling, what is the minimum required change in elevation of the finished grade, at a
point 10 feet away from the face of the foundation wall? - Answer 6 inches
IRC - section R401.3
In a single family dwelling a 6 mil vapor barrier placed between the base coarse and concrete floor slab
for concrete floors on ground shall be lapped a minimum of ____ inches? - Answer 6 inches
IRC - section R506.2.3
What is the best type of concrete to use in areas where light sulfate resistance is required? - Answer
Type 2 portland cement
class 2 handouts - definitions and terminology
