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Contractors License.Study questions and answers 2024
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Contractors LicenseA concrete masonry foundation wall extends below grade and will require large coating using Portland cement mortar. What is the minimum allowable thickness? - answer3/8 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% - answer4 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 - answer2%
A foundation drain shall extend past the outside edge of the footing at least how far? - answer12 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? - answer6 contour intervals
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? - answer10:1
Before excavating for a new building, how should subsoil conditions be determined? - answerConducting test borings
Which is the first step that needs to be taken prior to starting any excavation work? - answercontacting the local utility companies
What are batter boards? - answerStakes and ledger boards marking building
All of the following are benefits of platform construction as compared to ballon construction Except - answereasier installation of plumbing and wiring
Which of the following describes the tendency of lumber to shrink when it dries? - answermore in width than length
Where is temporary horizontal bracing attached when erecting trusses? - answerNear the ridge line of the truss
What is the MAXIMUM spacing for double floor joists that are operated to allow installation of piping? - answer4 feet on center Wall framing is being constructed one floor at a time. What type of wood framing method is being used? - answerPlatform
How MUST rafters be framed to each other? - answerWith a gusset plate
A third stairway stringer should be used when the stair with exceeds how many inches? - answer30
Which is true about deck stairs? - answerthey 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? - answer13
What is NOT required in exterior nonbearing walls? - answerLoad-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? - answersingle header and double trimmer
What is the MINIMUM lap of rabbeted horizontal lap siding? - answer1/2 inch
Using which of the following would cause the GREATEST increase in the insulation value when re-siding with aluminum? - answerperforated reflector foil
When MUST class A, B, C roof covering be installed? - answerWhen 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? - answer1/4 inch
What is the MAXIMUM distance between a ventilating opening in a under-floor space and each corner of the building? - answer3 feet
Why are the nailing holes in aluminums and vinyl siding elongated? - answerin case of expansion and contraction
Which is true about the placement of flexile insulation batts located in floor joists above an unheated crawl space? - answerThey should be well supported between joists
What is the required minimum thickness of perforated sheet metal plates used to cover crawl space ventilation openings? - answer0.070 inches
When MUST a saddle be installed on a chimney? - answerWhen the chimney is treated than 30 inches wide
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