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Commercial Building Inspector B2 practice questions

217 free questions with answers and explanations.

Practice test
  1. 201.A commercial building inspector is reviewing plans for a new 3-story Group B office building. The building will have a total area of 25,000 square feet per floor. What is the minimum required fire-resistance rating for the structural frame of this Type III-A construction building?General Administration, Permits, and Plans
  2. 202.A commercial building inspector is reviewing plans for a new 5-story Group R-1 hotel with an atrium. The atrium connects all five stories. What is the minimum vertical separation distance required between openings in the atrium enclosure through which a communicating space enters the atrium and other such openings in the enclosure?General Administration, Permits, and Plans
  3. 203.A building inspector is reviewing the plans for a new six-story Group R-2 apartment building. The design includes a trash chute system. What is the minimum required fire-resistance rating for the enclosure of the trash chute?Public Safety and Special Construction
  4. 204.A building inspector is reviewing the plans for a new single-story commercial building with wood-framed shear walls. The design specifies 7/16-inch oriented strand board (OSB) sheathing with 8d common nails spaced at 6 inches on center at all panel edges. What is the maximum allowable aspect ratio (height-to-width) for a shear wall segment with this sheathing and nailing schedule, assuming a single row of nails at the boundaries according to IBC 2021?Structural Systems
  5. 205.A commercial building inspector is reviewing plans for a new 6-story Group B office building. The building is designed with Type II-B construction. What is the minimum fire-resistance rating required for the roof construction, including its supporting beams and girders?General Administration, Permits, and Plans
  6. 206.A structural engineer is designing a concrete foundation for a commercial building in a region with highly expansive soils. To mitigate potential damage from soil movement, an isolated spread footing is being considered. Which of the following strategies is most appropriate for designing the footing to resist uplift forces caused by soil expansion?Structural Systems
  7. 207.A building inspector is reviewing the plans for a new four-story office building (Group B) that will be fully sprinklered. The building has an occupant load of 300 people per floor. What is the minimum required corridor width?Public Safety and Special Construction
  8. 208.A building inspector is reviewing the plans for a new four-story mixed-use building with Group A-3 (assembly) on the first floor and Group R-2 (residential) on the upper three floors. The building is fully sprinklered. The first-floor assembly area has a total occupant load of 250. What is the maximum common path of travel allowed for the Group A-3 occupancy before a choice of two distinct egress paths is available?Public Safety and Special Construction
  9. 209.A commercial building inspector is reviewing plans for a new 4-story Group R-2 apartment building. The building is designed with Type V-A construction. What is the minimum required fire-resistance rating for the interior nonbearing walls?General Administration, Permits, and Plans
  10. 210.A commercial building inspector is reviewing the design for a new five-story office building in a region prone to high winds. The building's exterior walls are designed with a masonry veneer. Which of the following is the minimum required distance for the air space between the masonry veneer and the sheathing, according to the IBC?Building Enclosure
  11. 211.A building inspector is reviewing the plans for a new three-story Group B office building. The building has a total occupant load of 400. In the event of a power failure, how long must the emergency lighting system be capable of providing illumination for the means of egress?Public Safety and Special Construction
  12. 212.A structural engineer is designing a steel-framed building in a high seismic zone. The design includes a special concentrically braced frame (SCBF). According to AISC 341, which of the following is a primary requirement for the bracing members in an SCBF?Structural Systems
  13. 213.A client proposes to convert an existing 5,000 sq. ft. mercantile space (Group M) into a new assembly space (Group A-3) within an existing building. The proposed occupancy will accommodate 150 occupants. Which of the following statements regarding the permit requirements for this change of occupancy is most accurate?General Administration, Permits, and Plans
  14. 214.A commercial building inspector is reviewing the design for a continuous concrete footing supporting a 10-inch thick masonry foundation wall. The design indicates a footing width of 20 inches. What is the minimum required thickness for this footing, according to the IBC?Footings and Foundations
  15. 215.A commercial building inspector is reviewing the specifications for a new concrete foundation. The plans indicate the use of concrete with a specified compressive strength (f'c) of 2500 psi. What is the minimum curing period required for this concrete to achieve its design strength under normal conditions?Footings and Foundations
  16. 216.An inspector is reviewing the formwork for a concrete footing on a commercial building project. The plans specify a footing width of 36 inches and a depth of 12 inches. What is the minimum required thickness of the wood planks used for the footing formwork, assuming standard construction practices for lumber?Footings and Foundations
  17. 217.A commercial building inspector is reviewing the design for a continuous concrete footing supporting a 12-inch thick masonry wall. The footing is required to extend a minimum distance beyond the face of the wall on each side. According to the IBC, what is the minimum projection of the footing beyond the face of the masonry wall?Footings and Foundations