2015 ICC B1 Residential Building Inspector Exam Quiz Welcome to your free 2015 ICC B1 Residential Building Inspector Exam Quiz REQUIRED - Enter your email address to receive a printable copy of your test results. 1. The work for which a permit is issued must be begun and finished within __________ of the permit being issued. 30 days 60 days 90 days 180 days 2. Under which category are urban and suburban areas, with numerous closely spaced obstructions having the size of single-family dwellings or larger sited? Exposure A Exposure B Exposure C Exposure D 3. In Seismic Design Categories D0, D1 and D2, slabs on ground cast monolithically with turned-down footings must have a min. of one No. 4 bar at the __________ of the footing. top bottom top & bottom middle 4. Exterior footings must be placed a min. of __________ below the undisturbed ground surface. 6 inches 12 inches 18 inches 24 inches 5. The height of backfill against a wood foundation wall must not exceed __________ if they are not designed and installed in accordance with AWC PW. 2 feet 3 feet 4 feet 5 feet 6. What is the maximum allowable span where 2 x 10 floor joists of No. 2 Douglas fir-larch spaced at 16 inches on center, supporting a dead load of 20 psf are used? 12 feet, 6 inches 14 feet, 3 inches 15 feet, 4 inches 16 feet, 6 inches 7. Exterior walls parallel to a braced wall line must be offset a max. of __________ from the designated braced wall line location. 2 feet 4 feet 6 feet 8 feet 8. A single top plate is permitted in a wood stud bearing wall where the rafters or joists are centered over the studs with a max. tolerance of __________. 1 inch 2 inch 3 inch 4 inch 9. Screws used to attach gypsum board and gypsum panel products to wood framing must penetrate the wood a min. of __________ . 3/8 inch 1/2 inch 5/8 inch 1 inch 10. A fire-resistance rating of __________ is required for fire-resistance rating projections of dwellings with fire sprinklers that have a min. fire separation distance of 2 feet. 30 minutes 1 hour 90 minutes 2 hours 11. A temporary certificate of occupancy is valid for ___________ . 30 days 60 days 90 days a period set by the building official 12. Where a safe room is constructed as a storm shelter in order to provide safe refuge from storms and high winds, the room must be constructed in accordance with __________ in addition to other applicable requirements in this code. CPSC 16 CFR, Part 1201 DOC PS 1-07 FEMA TB-2 ICC/NSSA-500 13. To determine the max. allowable span of floor joists that support sleeping areas and attics that are accessed by means of a fixed stairway, the design live load must not exceed __________ per square foot. 10 psf 20 psf 30 psf 40 psf 14. Unless approved anchor straps are used, plate washers, a min. of __________ in size, must be provided between the foundation sill plate and the nut. 0.227 inch x 1 inches x 1 inches 0.228 inch x 2 inches x 2 inches 0.229 inch x 3 inches x 3 inches 0.230 inch x 4 inches x 4 inches 15. Structural members that support rafters and ceiling joists, such as ridge beams, hips and valleys, must be designed as beams, where the roof pitch is less than __________. 1 units vertical in 12 units horizontal 2 units vertical in 12 units horizontal 3 units vertical in 12 units horizontal 4 units vertical in 12 units horizontal 16. Anchored stone and masonry veneer installed over a backing of wood or cold-formed steel must be limited to the first story above grade plane and must not exceed __________ in thickness. 2 inches 3 inches 4 inches 5 inches 17. Asphalt shingles must be installed as required by the manufacturer, where the roof slope exceeds ___________ . 7 units vertical in 12 units horizontal 14 units vertical in 12 units horizontal 21 units vertical in 12 units horizontal 28 units vertical in 12 units horizontal 18. Masonry fireplaces must have a combustion air passageway of __________ . 6 sq. in. to 15 sq. in. 6 sq. in. to 25 sq. in. 6 sq. in. to 55 sq. in. 6 sq. in. to 75 sq. in. 19. Windows, skylights and sliding glass doors shall have an air infiltration rate of not greater than __________ , when tested in accordance with NFRC 400 or AAMA/WDMA/CSA 101/I.S.2/A440 by an accredited, independent laboratory and listed and labeled by the manufacturer. 0.1 cfm per square foot 0.2 cfm per square foot 0.3 cfm per square foot 0.4 cfm per square foot 20. A hearth extension a min. of 3/8-inch-thick brick, is permitted where the bottom of the firebox opening in a masonry fireplace is raised a min. of __________ above the top of the hearth extension. 2 inches 4 inches 6 inches 8 inches