Massachusetts CSL Practice and review questions with || || || || || || ||
accurate detailed solutions || ||
The minimum amount of glazing area required for a habitable room in a single family
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dwelling that measures 20 ft. x 30 ft. is ____ square feet - ✔✔48
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IRC - section R303.1
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The connection between a pressure treated deck ledger and a 2 inch nominal lumber band
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joist in a single family dwelling, bearing on a sill plate or wall, shall be constructed with a
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minimum ____ inch lad screw or bolt - ✔✔1/2 || || || || || || || || ||
IRC - section R502.2.2.1
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What is the minimum required flue size for a rectangular flue in a chimney serving a
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fireplace for a single family dwelling with an opening of 500 square inches with a height of
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15 feet? - ✔✔8 x 12
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IRC - figure R1003.15.2
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Which of the following is NOT an effective method of preventing efflorescence?
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A. forming good mortar joints
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B. using high-early strength cement
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C. stocking materials off of the ground
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D. covering materials at all times - ✔✔B. Using high-early strength cement
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,2
class handouts ||
What is the maximum temperature a flue lining used in a residential-type appliance in a
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masonry chimney, in a single family dwelling, must resist? - ✔✔1,800 degrees F
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IRC - section R1003.11.1 #4
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Which of the following is NOT true regarding the placement of masonry units in a single
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family dwelling? ||
A. mortar shall be plastic
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B. surfaces shall be clean and free of deleterious material
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C. units where initial bond is broken shall be removes and relaid
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D. deep furrowing of bed joints - ✔✔D. Deep furrowing of bed joints
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IRC - section 607.2.2
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What is the minimum required thickness of a mortar joint in a masonry unit wall in a one
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or two family dwelling? - ✔✔3/8 inch
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IRC - section R607.2.1
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In a single family dwelling with an 8:12 roof pitch and a cricket hight of 12 inches, what is
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the width of the cricket? - ✔✔36 inches
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IRC - table R1003.20
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, 2
Which of the following is NOT true regarding masonry chimneys in a one or two family
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dwelling?
A. chimneys may support additional loads if designed to do so
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B. must extend a minimum of 3 feet above highest point where passing through roof
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C. chimneys may be unlined
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D. walls must be a minimum of 4 inches in thickness - ✔✔C. chimneys may be unlined
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IRC - section R1003.11
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What is the diameter of a #6 re-bar? - ✔✔3/4 inch
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handouts
What is the reaction between water and portland cement which causes it to harden? -
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✔✔heat of hydration || ||
handouts
Which is greater - 268 cubic feet or 9 cubic yards? - ✔✔268 cubic feet
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math formulas||
In a single family dwelling, what is the minimum required change in elevation of the
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finished grade, at a point 10 feet away from the face of the foundation wall? - ✔✔6 inches
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