2021 B2 Commercial Building Inspector Exam Quiz Welcome to your free 2021 B2 Commercial Building Inspector Exam Quiz REQUIRED - Enter your email address to receive a printable copy of your test results. 1. Every permit issued becomes invalid if the authorized work is not commenced within __________ days. 30 days 60 days 180 days 270 days 2. Openings in exterior walls in adjacent stories must have a vertical separation to protect against fire spread on the exterior of the buildings where the openings are within __________ of each other horizontally. 3 feet 5 feet 7 feet 9 feet 3. Of the following aggregates, which is considered to be reactive? Chert Feldspar Granite Quartz 4. __________ is masonry in which the tensile resistance of the masonry is taken into consideration and the effects of stresses in reinforcement are neglected. Glass masonry Plain masonry Solid masonry Unreinforced masonry 5. In Group R-3 occupancies, the installation of a skylight without a curb is permitted on roofs with a min. slope of __________ . 12 degrees 14 degrees 16 degrees 18 degrees 6. Concrete will have a higher strength if made with well graded aggregates with a maximum size of __________ than other mixes with the same water-cement ratio. 3/8 inch 1/2 inch 3/4 inch 1 inch 7. T rating is the time period that the penetration firestop system, including the penetrating item, limits the maximum temperature rise to __________ above its initial temperature through the penetration on the non-fire side. 300°F 325°F 350°F 375°F 8. At exterior gable end walls, in top plate connection, braced wall panel sheathing in the top story must be extended and fastened to the roof framing where the spacing between parallel exterior braced wall lines is greater than __________ . 25 feet 50 feet 75 feet 100 feet 9. What is the agreed-upon length of time that cement in a mixer can be exposed to moisture? one hour one and one-half hours two hours two and one-half hours 10. The area of a Group E building, a max. of 1-story above grade plane, and of a Type II construction, must not be limited if the building is surrounded and adjoined by public ways or yards a minimum of __________ width. 30 feet 60 feet 90 feet 120 feet 11. What is the minimum headroom clearance of stairways? 70 inches 80 inches 90 inches 100 inches 12. A standard terrazzo topping should be at least ________ inch(s) thick, after grinding. 1/4 Inch 5/8 Inch 3/4 Inch 1 Inch 13. What is the minimum air space clearance required between masonry chimneys located in the interior of a building and combustible components? 1 Inch 2 inches 3 inches 4 inches 14. Occupancies with an occupant load of less than 50, must have a minimum corridor width of __________ inches. 30 inches 36 inches 42 inches 48 inches 15. In wall covering installations, the area of a single section of thin exterior structural glass veneer must be a max. of __________ where that section is a maximum of 15 feet above the grade level directly below. 5 square feet 10 square feet 15 square feet 20 square feet 16. What is the maximum compressive strength that ultra-high performance concrete provides? 5,000 psi 14,000 psi 21,000 psi 29,000 psi 17. In light-frame construction, what is the minimum width of a footing that supports 2 floors? 10 inches 12 inches 15 inches 18 inches 18. In conventional light-frame construction, bored holes a max. of __________ of the stud width are permitted in nonbearing partitions or in any wall where each bored stud is doubled, provided not more than two such successive doubled studs are so bored. 20% 40% 60% 80% 19. What is the term for a self-compacting concrete that can flow into inaccessible and tight spaces? autoclaved aerated concrete controlled low-strength concrete polymer concrete self-consolidating concrete 20. The allowable shear value for wood structural panel shear walls utilizing staples with framing of Douglas Fir-larch seismic loading, must be __________ for 3/8 panel thickness with a minimum panel penetration of 1 applied directly to the framing fastened with 4 inch spacing at the perimeter of the panels with 1.5" 16 gauge staples into the framing. 200 235 255 280