CONTRACTORS LICENSE QUESTIONS & ANSWERS
A concrete masonry foundation wall extends below grade and will require large coating
using Portland cement mortar. What is the minimum allowable thickness? - Answers
:3/8 inch
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide by 100 feet
long? The hourly production rate is 40 BCY and the operator has average ability with an
efficiency factor of 75% - Answers :4 hour
what is the minimum slope for a swale if it is located within 10 feet of a foundation and
and is used as part of the method for diverting water from the foundation - Answers :2%
A foundation drain shall extend past the outside edge of the footing at least how far? -
Answers :12 inches
750 feet of pipe is being laid at 0.5% slope. On a topographic map that has a 6 inch
contour intervals, approximately how many intervals will be depicted on the Mao from
one of the pipe to the other? - Answers :6 contour intervals
What is the MAXIMUM spacing for double floor joists that are operated to allow
installation of piping? - Answers :4 feet on center
Wall framing is being constructed one floor at a time. What type of wood framing
method is being used? - Answers :Platform
How MUST rafters be framed to each other? - Answers :With a gusset plate
A third stairway stringer should be used when the stair with exceeds how many inches?
- Answers :30
Which is true about deck stairs? - Answers :they should be sloped for drainage
A simple set of cleat stairs will be installed in a basement. The distance between the
basement floor and the first floor is 8 feet. How many will be REQUIRED for these
stairs? - Answers :13
What is NOT required in exterior nonbearing walls? - Answers :Load-bearing headers
Which of the following is required for 1 3 feet 8 inches wide by 4 feet long floor opening
near the center of a wood-framed span? - Answers :single header and double trimmer
What is the MINIMUM lap of rabbeted horizontal lap siding? - Answers :1/2 inch
Using which of the following would cause the GREATEST increase in the insulation
value when re-siding with aluminum? - Answers :perforated reflector foil
, When MUST class A, B, C roof covering be installed? - Answers :When the edge of the
roof is less than 3 feet fro the property line
What is the MAXIMUM dimension of the ventilation coverings for under-floor space? -
Answers :1/4 inch
What is the MAXIMUM distance between a ventilating opening in a under-floor space
and each corner of the building? - Answers :3 feet
Why are the nailing holes in aluminums and vinyl siding elongated? - Answers :in case
of expansion and contraction
Which is true about the placement of flexile insulation batts located in floor joists above
an unheated crawl space? - Answers :They should be well supported between joists
What is the required minimum thickness of perforated sheet metal plates used to cover
crawl space ventilation openings? - Answers :0.070 inches
When MUST a saddle be installed on a chimney? - Answers :When the chimney is
treated than 30 inches wide
What is the MINIMUM roof slope REQUIRED for modified bitumen roofing? - Answers
:1/4 inch in 12
For roofing work, what is the minimum distance that materials and equipment can be
stored from a roof edge without a guardrail being required - Answers :6 feet
A topographic map is being used to determine cut and fill requirements. The contour
intervals is 2 feet. Across a distance of 200 feet there are 10 contours. What is the slope
of the grade? - Answers :10:1
Before excavating for a new building, how should subsoil conditions be determined? -
Answers :Conducting test borings
Which is the first step that needs to be taken prior to starting any excavation work? -
Answers :contacting the local utility companies
What are batter boards? - Answers :Stakes and ledger boards marking building
All of the following are benefits of platform construction as compared to ballon
construction Except - Answers :easier installation of plumbing and wiring
Which of the following describes the tendency of lumber to shrink when it dries? -
Answers :more in width than length
A concrete masonry foundation wall extends below grade and will require large coating
using Portland cement mortar. What is the minimum allowable thickness? - Answers
:3/8 inch
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide by 100 feet
long? The hourly production rate is 40 BCY and the operator has average ability with an
efficiency factor of 75% - Answers :4 hour
what is the minimum slope for a swale if it is located within 10 feet of a foundation and
and is used as part of the method for diverting water from the foundation - Answers :2%
A foundation drain shall extend past the outside edge of the footing at least how far? -
Answers :12 inches
750 feet of pipe is being laid at 0.5% slope. On a topographic map that has a 6 inch
contour intervals, approximately how many intervals will be depicted on the Mao from
one of the pipe to the other? - Answers :6 contour intervals
What is the MAXIMUM spacing for double floor joists that are operated to allow
installation of piping? - Answers :4 feet on center
Wall framing is being constructed one floor at a time. What type of wood framing
method is being used? - Answers :Platform
How MUST rafters be framed to each other? - Answers :With a gusset plate
A third stairway stringer should be used when the stair with exceeds how many inches?
- Answers :30
Which is true about deck stairs? - Answers :they should be sloped for drainage
A simple set of cleat stairs will be installed in a basement. The distance between the
basement floor and the first floor is 8 feet. How many will be REQUIRED for these
stairs? - Answers :13
What is NOT required in exterior nonbearing walls? - Answers :Load-bearing headers
Which of the following is required for 1 3 feet 8 inches wide by 4 feet long floor opening
near the center of a wood-framed span? - Answers :single header and double trimmer
What is the MINIMUM lap of rabbeted horizontal lap siding? - Answers :1/2 inch
Using which of the following would cause the GREATEST increase in the insulation
value when re-siding with aluminum? - Answers :perforated reflector foil
, When MUST class A, B, C roof covering be installed? - Answers :When the edge of the
roof is less than 3 feet fro the property line
What is the MAXIMUM dimension of the ventilation coverings for under-floor space? -
Answers :1/4 inch
What is the MAXIMUM distance between a ventilating opening in a under-floor space
and each corner of the building? - Answers :3 feet
Why are the nailing holes in aluminums and vinyl siding elongated? - Answers :in case
of expansion and contraction
Which is true about the placement of flexile insulation batts located in floor joists above
an unheated crawl space? - Answers :They should be well supported between joists
What is the required minimum thickness of perforated sheet metal plates used to cover
crawl space ventilation openings? - Answers :0.070 inches
When MUST a saddle be installed on a chimney? - Answers :When the chimney is
treated than 30 inches wide
What is the MINIMUM roof slope REQUIRED for modified bitumen roofing? - Answers
:1/4 inch in 12
For roofing work, what is the minimum distance that materials and equipment can be
stored from a roof edge without a guardrail being required - Answers :6 feet
A topographic map is being used to determine cut and fill requirements. The contour
intervals is 2 feet. Across a distance of 200 feet there are 10 contours. What is the slope
of the grade? - Answers :10:1
Before excavating for a new building, how should subsoil conditions be determined? -
Answers :Conducting test borings
Which is the first step that needs to be taken prior to starting any excavation work? -
Answers :contacting the local utility companies
What are batter boards? - Answers :Stakes and ledger boards marking building
All of the following are benefits of platform construction as compared to ballon
construction Except - Answers :easier installation of plumbing and wiring
Which of the following describes the tendency of lumber to shrink when it dries? -
Answers :more in width than length
