B2 Commercial Building Inspector Quiz by mike.stahl | May 22, 2026 Welcome to your B2 Commercial Building Inspector Quiz Name Email 1. A ________ is a listed device installed in ducts and air transfer openings designed to close automatically upon detection of heat and resist the passage of flame. fire block fire damper fire stop fire barrier None Show Hint FIRE DAMPER. A listed device installed in ducts and air transfer openings designed to close automatically upon detection of heat and resist the passage of flame. Fire dampers are classified for use in either static systems that will automatically shut down in the event of a fire, or in dynamic systems that continue to operate during a fire. A dynamic fire damper is tested and rated for closure under elevated temperature airflow. 2024 IBC – Chapter 2, Definitions. Section 202, Definitions. 2. In aircraft-related occupancies, exterior walls that are located less than ________ from lot lines or a public way must have a min. fire-resistance rating of 2 hours. 40 feet 30 feet 20 feet 10 feet None Show Hint Exterior walls located less than 30 feet (9144 mm) from lot lines or a public way shall have a fire-resistance rating not less than 2 hours. 2024 IBC – Chapter 4, Special Detailed Requirements Based on Occupancy and Use. Section 412 Aircraft-Related Occupancies. 412.3 Aircraft hangars. 412.3.1 Exterior walls. 3. The provisions of ________ apply to the special uses and occupancies described herein. Chapter 1 Chapter 4 Chapter 2 Chapter 3 None Show Hint In addition to the occupancy and construction requirements in this code, the provisions of this chapter apply to the occupancies and use described herein. 2024 IBC – Chapter 4, Special Detailed Requirements Based on Occupancy and Use. Section 401, Scope. 401.1 Detailed occupancy and use requirements. 4. In a covered mall, the horizontal separation between kiosks and other structures within the mall must be a min. of ________ . 20 feet 40 feet 30 feet 10 feet None Show Hint Kiosks and similar structures (temporary or permanent) located within the mall of a covered mall building or within the perimeter line of an open mall building shall meet the following requirements: 1. Combustible kiosks or other structures shall not be located within a covered or open mall unless constructed of any of the following materials: 1.1. Fire-retardant-treated wood complying with Section 2303.2. 1.2. Foam plastics having a maximum heat release rate not greater than 100 kW (105 Btu/h) when tested in accordance with the exhibit booth protocol in UL 1975 or when tested in accordance with NFPA 289 using the 20 kW ignition source. 1.3. Aluminum composite material (ACM) meeting the requirements of Class A interior finish in accordance with Chapter 8 when tested as an assembly in the maximum thickness intended. 2. Kiosks or similar structures located within the mall shall be provided with approved automatic sprinkler system and detection devices. 3. The horizontal separation between kiosks or groupings thereof and other structures within the mall shall be not less than 20 feet (6096 mm). 4. Each kiosk or similar structure or groupings thereof shall have an area not greater than 300 square feet (28 m2). 2024 IBC – Chapter 4, Special Detailed Requirements Based on Occupancy and Use. Section 402, Covered Mall and Open Mall Buildings. 402.6 Interior finishes and features. 402.6.2 Kiosks. 5. Windows in smoke partitions must be ________ . Neither A nor B sealed to resist the free passage of smoke Either A or B automatic-closing upon detection of smoke None Show Hint Windows in smoke partitions shall be sealed to resist the free passage of smoke or be automatic-closing upon detection of smoke. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 710 Smoke Partitions. 710.5 Openings. 710.5.1 Windows. 1 out of 3 6. In Group H-5 occupancies, the clear width of a service corridor must be a min. of 5 feet or ________ wider than the widest cart or truck used in the service corridor, whichever is greater. 36 inches 48 inches 33 inches 52 inches None Show Hint The clear width of a service corridor shall be not less than 5 feet (1524mm), or 33 inches (838 mm) wider than the widest cart or truck used in the service corridor, whichever is greater. 2024 IBC – Chapter 4, Special Detailed Requirements Based on Occupancy and Use. Section 415 Groups H1, H-2, H-3, H-4 and H-5. 415.11 Group H-5. 415.11.3 Service corridors. 415.11.3.4 Minimum width. 7. In conventional light-frame construction, plates must be a nominal ________ in depth and have a width not less than the width of the studs. 2 inches 6 inches 4 inches 8 inches None Show Hint Bearing and exterior wall studs shall be capped with double top plates installed to provide overlapping at corners and at intersections with other partitions. End joints in double top plates shall be offset not less than 48 inches (1219 mm) and shall be nailed in accordance with Table 2304.10.2. Plates shall be a nominal 2 inches (51 mm) in depth and have a width not less than the width of the studs. Exception: A single top plate is permitted, provided that the plate is adequately tied at corners and intersecting walls by not less than the equivalent of 3-inch by 6-inch (76 mm by 152 mm) by 0.036-inch thick (0.914 mm) galvanized steel plate that is nailed to each wall or segment of wall by six 8d [2-1/2” × 0.113” (64-mm by 2.87 mm)] box nails or equivalent on each side of the joint. For the butt-joint splice between adjacent single top plates, not less than the equivalent of a 3-inch by 12-inch (76 mm by 304 mm) by 0.036-inch-thick (0.914 mm) galvanized steel plate that is nailed to each wall or segment of wall by 12 8d [2-1/2-inch × 0.113-inch (64 mm by 2.87 mm)] box nails on each side of the joint shall be required, provided that the rafters, joists or trusses are centered over the studs with a tolerance of not more than 1 inch (25 mm). The top plate shall not be required over headers that are in the same plane and in line with the upper surface of the adjacent top plates and are tied to adjacent wall sections as required for the butt joint splice between adjacent single top plates. Where bearing studs are spaced at 24-inch (610 mm) intervals, top plates are less than two 2-inch by 6- inch (51 mm by 152 mm) or two 3-inch by 4-inch (76 mm by 102 mm) members and the floor joists, floor trusses or roof trusses that they support are spaced at more than 16-inch (406 mm) intervals, such joists or trusses shall bear within 5 inches (127 mm) of the studs beneath or a third plate shall be installed. 2024 IBC – Chapter 23, Wood. Section 2308 Conventional Light-Frame Construction. 2308.9 Wall construction. 2308.9.1 Stud size, height and spacing. Table 2308.9.3 Plates and sills. 2308.9.3.2 Top plates. 8. A/An ________ is an exterior perimeter building of a group other than H having direct access to a covered or open mall building but having required means of egress independent of the mall. detached building covered mall building dwelling building anchor building None Show Hint ANCHOR BUILDING. An exterior perimeter building of a group other than H having direct access to a covered or open mall building but having required means of egress independent of the mall. 2024 IBC – Chapter 2, Definitions. Section 202, Definitions. 9. Hot weather concreting does not result in which of the following effects? rapid slump loss lower volume of mixing water reduced strength increased plastic shrinkage None Show Hint In the absence of special precautions, undesirable hot weather effects may include the following: 1. Increased water demand for required consistency 2. Difficulty in control of entrained air 3. Rapid evaporation of mixing water 4. Rapid slump loss 5. Accelerated set 6. Difficulties with normal handling, finishing, and curing 7. Greater dimensional change on cooling hardened concrete 8. Increased plastic shrinkage 9. Increased tendency to crack or craze 10. Reduced durability from increased water demand and cracking 11. Reduced strength ICC Concrete Manual 2024/2021 – Chapter 19, Hot and Cold Weather Concreting. 19.1 Hot Weather Effects. [Page 443] 10. Stadiums are classified as ________ occupancies? Group A-4 Group A-5 Group A-2 Group A-3 None Show Hint Group A-5 occupancy includes assembly uses intended for participation in or viewing outdoor activities, including but not limited to: Amusement park structures Bleachers Grandstands Stadiums 2024 IBC – Chapter 3, Occupancy Classification and Use. Section 303, Assembly Group A. 303.6 Assembly Group A-5. 2 out of 3 11. To ensure that construction complies with the code, inspections by the building official are supplemented with ________ inspections by a special inspector. continuous partial periodic overtime None Show Hint SPECIAL INSPECTION. Inspection of construction requiring the expertise of an approved special inspector in order to ensure compliance with this code and the approved construction documents. Continuous special inspection. Special inspection by the special inspector who is present continuously when and where the work to be inspected is being performed. Periodic special inspection. Special inspection by the special inspector who is intermittently present where the work to be inspected has been or is being performed. 2024 IBC – Chapter 2, Definitions. Section 202, Definitions. 12. True or False: Fire areas containing Group A-4 occupancies and intervening floors, must be provided with an automatic sprinkler system. False True None Show Hint An automatic sprinkler system shall be provided throughout stories containing Group A-4 occupancies and throughout all stories from the Group A-4 occupancy to and including the levels of exit discharge serving that occupancy where one of the following conditions exists: 1. The fire area exceeds 12,000 square feet (1115 m2). 2. The fire area has an occupant load of 300 or more. 3. The fire area is located on a floor other than a level of exit discharge serving such occupancies. 2024 IBC – Chapter 9, Fire Protection and Life Safety Systems. Section 903 Automatic Sprinkler Systems. 903.2 Where required. 903.2.1 Group A. 903.2.1.4 Group A-4. 13. Which of the following Group A occupancies includes assembly uses intended for food and/or drink consumption? Group A-2 Group A-1 Group A-4 Group A-3 None Show Hint Group A-2 occupancy includes assembly uses intended for food and/or drink consumption including, but not limited to: Banquet halls Casinos (gaming areas) Nightclubs Restaurants, cafeterias and similar dining facilities (including associated commercial kitchens) Taverns and bars 2024 IBC – Chapter 3, Occupancy Classification and Use. Section 303, Assembly Group A. 303.3 Assembly Group A-2. 14. True or False: Penetrations that are not necessary for the purpose of the shaft, are permitted in shaft enclosures. False True None Show Hint Penetrations other than those necessary for the purpose of the shaft shall not be permitted in shaft enclosures. Exception: Membrane penetrations shall be permitted on the outside of shaft enclosures. Such penetrations shall be protected in accordance with Section 714.4.2. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 713 Shaft Enclosures. 713.8 Penetrations. 713.8.1 Prohibited penetrations. 15. A bituminous coating must be used to protect fiberboard wall insulation applied on the exterior of foundation walls located ________ ground level. at below A through C above None Show Hint Fiberboard wall insulation applied on the exterior of foundation walls shall be protected below ground level with a bituminous coating. 2024 IBC – Chapter 23, Wood. Section 2303 Minimum Standards and Quality. 2303.1 General. 2303.1.6 Fiberboard. 2303.1.6.3 Wall insulation. 2303.1.6.3.1 Protection. 3 out of 3 Previous Start Quiz Next Time's up
