Contractor’s License Questions and Answers Rated A+

Contractor’s License Questions and Answers Rated A+ A concrete masonry foundation wall extends below grade and will require large coating using Portland cement mortar. What is the minimum allowable thickness? 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% 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 2% A foundation drain shall extend past the outside edge of the footing at least how far? 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? 6 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? 10:1 Before excavating for a new building, how should subsoil conditions be determined? Conducting test borings Which is the first step that needs to be taken prior to starting any excavation work? contacting the local utility companies What are batter boards? Stakes and ledger boards marking building All of the following are benefits of platform construction as compared to ballon construction Except easier installation of plumbing and wiring Which of the following describes the tendency of lumber to shrink when it dries? more in width than length Where is temporary horizontal bracing attached when erecting trusses? Near the ridge line of the truss What is the MAXIMUM spacing for double floor joists that are operated to allow installation of piping? 4 feet on center Wall framing is being constructed one floor at a time. What type of wood framing method is being used? Platform How MUST rafters be framed to each other? With a gusset plate A third stairway stringer should be used when the stair with exceeds how many inches? 30 Which is true about deck stairs? 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? 13 What is NOT required in exterior nonbearing walls? 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? single header and double trimmer What is the MINIMUM lap of rabbeted horizontal lap siding? 1/2 inch Using which of the following would cause the GREATEST increase in the insulation value when re-siding with aluminum? perforated reflector foil When MUST class A, B, C roof covering be installed? When the edge of the roof is less than 3 feet fro the property line What is the MAXIMUM dimension of the ventilation