Practice and review questions And
Actual Answers.
A child day care facility that provides care on a 24 hour basis for more than five children two years nine
months of 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 laminated wood without
concealed spaces? - Answer Type IV
IBC - section 602.4
A foundation that has a finished grade that slopes away form the building must be a minimum of ____
inches lower at a point ____ feet away from the face of the wall - Answer 6, 10
IBC - section 1804.3
,Footings for masonry chimneys shall extend a minimum of ____ inches beyond the face of the
foundation or support wall on all sides - Answer 6
IBC - section 2113.2
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 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
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
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
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 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 - Answer May not be used under any circumstances
IBC - section 2103.7
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
When used as an ingredient in shotcrete, can course aggregate have a diameter of 7/8 inch? - Answer
No