B2- Commercial Building Inspector Practice Test 1 Questions and Complete Solutions Graded A+

B2- Commercial Building Inspector Practice Test 1 Questions and Complete Solutions Graded A+ Which occupancy group is a Department Store classified as? - Answer: M Section 309.1 Buildings used for assembly can be classified as a Group B occupancy when the occupant load is less than ___ persons. - Answer: 50 Section 303.1.1 All of the following uses are classified as a Group B occupancy EXCEPT for: Banks Post Office Print Shop Drug Stores - Answer: Drug Stores Section 304.1, 309.1 Structures that contain materials that would pose a health hazard are classified as a Group ___ occupancy. - Answer: H-4 Section 307.6 A building used for medical care for more than 5 people who are incapable of self-preservation on a 24-hour basis is classified as a Group ___ occupancy. - Answer: I-2 Section 308.4 All of the following facilities are classified as a Group R-2 occupancy EXCEPT for: Apartment Houses Monasteries Transient Hotels Non-Transient Hotels - Answer: Transient Hotels Section 310.4, 310.3 Structures that contain materials that would pose a physical hazard are classified as a Group ___ occupancy. - Answer: H-3 Section 307.5 Commercial kitchens not associated with restaurants and not more than 2,500 square feet is classified as a Group ___ occupancy. - Answer: B Section 304.1 Incidental uses within a building shall be limited to ___ percent of the building area of the story in which they are located. - Answer: 10% Section 509.3 Non-sprinklered mixed-occupancy buildings providing a fire separation between Group F-2 and Group M occupancies shall be separated by a minimum __________. - Answer: 2-hour fire barrier/horizontal assembly Section 508.4, 508.4.4.1, Table 508.4 What is the minimum thickness of a concrete floor slab supported directly on the ground? - Answer: 3 1/2 Section 1907.1 An attic space shall be provided with an access opening of not less than ___ inches by ___ inches and a headroom clearance of not less than ___ inches. - Answer: 20" x 30", 30" Section 1209.2 The access requirements for mechanical appliances installed in attic spaces shall be in accordance with the ______________. - Answer: IMC (International Mechanical Code) Section 1209.3 What is the maximum allowable span of a 2 x 12 Douglas fir-larch #2 floor joist spaced 16 inches on center supporting a living room with a dead load of 20 psf? - Answer: 16', 3" Table 2308.4.2.1(2) Fire-retardant-treated wood shall not have a moisture content greater than ___ percent for lumber and no more than ___ percent for wood structural panels. - Answer: 19, 15 Section 2303.2.8 Fire-retardant-treated wood shall have a listed flame spread index of ___ or less. - Answer: 25 Section 2303.2 Which of the following materials can be used to cover under-floor ventilation openings? Cast-iron grilles Perforated sheet metal corrosion-resistant wire mesh All of the above - Answer: All of the above Section 1203.4.1 The ends of floor joists bearing on wood or metal shall not have less than ___ inches bearing. - Answer: 1 1/2 Section 2308.4.2.2 In Seismic Design Categories B, C, D, and E, openings in horizontal floor diaphragms with a dimension greater than ___ feet shall be constructed with metal ties and blocking. - Answer: 4 Section 2308.4.4.1 While the top surface of a footing must be level, the bottom surface shall not exceed a slope of _____. - Answer: 10% Section 1809.3 Pools located on top of a slope shall be capable of supporting the water in the pool without soil support when the portion of the pool wall is located within ___ feet from the top of the slope. - Answer: 7' Section 1808.7.3 A plain masonry foundation wall 7 feet in height subject to a maximum unbalanced backfill height of 6 feet shall have a minimum required nominal wall thickness of ____ inches when the design lateral soil load is 30 psf per foot of depth. - Answer: 10" Table 1807.1.6.3(1) Sandy gravel material shall have an assumed presumptive load-bearing value of _____ for vertical foundation pressure. - Answer: 3,000 psf Table 1806.2 Alternative setbacks and clearances are permitted for the placement of building foundations adjacent to slopes steeper than 33.3% when subject to the approval of the _______. - Answer: Building Official Section 1808.7.5 In conventional light-frame building construction, anchor bolts which anchor sill plates resting on concrete foundations shall have a minimum diameter of ____ inches spaced a maximum ___ feet on center and extend a minimum of ___ inches into concrete. - Answer: 1/2", 6', 7" Section 2308.3.1 A plain concrete foundation wall 6 feet in height subject to a maximum unbalanced backfill height of 4 feet shall have a minimum wall thickness no less than ____ inches when the design lateral soil load is 60 psf per foot of depth. - Answer: 7.5 Table 1807.1.6.2 Soil used to backfill an excavation outside the building foundation shall be free from which of the following: Organic material Construction debris Cobbles/Boulders All of the above - Answer: All of the above Section 1804.3 When deemed acceptable by the _______ to not require formwork, concrete foundations shall be permitted to be cast against the earth. - Answer: Building Official Section 1808.8.5 When dampproofing materials are installed beneath the floor slab, it shall consist of not less than _____ polyethylene with joints lapped not less than ____ inches. - Answer: 6 mil, 6" Section 1805.2.1 Newly constructed townhouses that are no more than three stories above grade plane in height with a separate means of egress shall comply with the International Building Code. True or False - Answer: False Section 101.2 Exception Which of the following individuals is authorized to enforce provisions of the code and render interpretations? - Answer: Building Official Section 104.1 For individual cases where the strict letter of the code is impractical, the building official has the authority to grant modifications. True or False - Answer: True Section 104.10 Detached one-story accessory structures that have a floor area no greater than _____ square feet do not require a permit. - Answer: 120 Section 105.2 #1 Until completion of the project, the building permit shall be kept _____. - Answer: On-Site Section 105.7 Which of the following inspections are required as identified by the International Building Code? Footing inspection Fire and smoke resistant penetrations Energy efficiency inspection All of the Above - Answer: All of the Above Which of the following information is not required to be placed on a certificate of occupancy? The building permit # The address Building officials name Square footage of the structure - Answer: Square footage of the structure Section 111.2 A fence over ____ feet high requires a permit. - Answer: 7" Section 105.2 #2 Once a set of construction documents have been approved, they shall be retained by the building official for not less than ___ days from the completed date of the project. - Answer: 180 Section 107.5 Which of the following individuals sets the final building permit valuation? - Answer: Building Official Section 109.3 When the construction documents have been approved, the plans shall be stamped with the following language: - Answer: reviewed for Code compliance Section 107.3.1 Work must commence within ____ days after permit issuance or else the permit will expire. - Answer: 180 Section 105.5 Rooftop-mounted photovoltaic panels, along with the rack support system, shall have their live load indicated on the construction documents. True or False - Answer: False Section 1603.1.8.1 - dead load Landscaped areas of occupied roof gardens shall be designed with a uniform design live load of _____ psf. - Answer: 100 Section 1607.12.3.1, Table 1607.1 Special inspections of sprayed fire-resistant materials applied to wide-flange columns shall have thickness measurements taken at ____ locations around the column. - Answer: 12 Section 1705.14.4.8 The installation of open-web steel joists and joist girders within a structure are required to have _______ special inspections. Periodic Continuous Both Periodic & Continuous None - Answer: Periodic Section 1705.2.3, Table 1705.2.3 Buildings of Type I or II construction are permitted to use fire-retardant-treated wood in nonbearing partitions where the fire-resistance rating is ____ hours or less. - Answer: 2 Section 603.1 #1.1 What is the maximum allowable area of unprotected exterior wall openings for a non sprinklered building having a fire separation distance of 4 feet? - Answer: Not Permitted Table 705.8 What is the maximum allowable area of protected exterior wall openings for a building having a fire separation distance of 15 feet? - Answer: 75% Table 705.8 Projections extending beyond the exterior wall of a Type III building shall be of noncombustible materials only. True or False - Answer: False Section 705.2.2 Buildings that are of Type I and II construction are permitted to have balcony projections constructed of fire-retardant-treated wood where the building is a maximum of ____ storie(s) or less above grade plane. - Answer: 3 Section 1406.3 Exception #1 Openings within a Fire Wall shall not exceed ____ square feet and the aggregate width of these openings located at any floor level shall not exceed ____ percent of the wall length. - Answer: 156, 25 Section 706.8 Fire dampers installed in a 4-hour fire-resistance-rated assembly shall have a minimum fire protection rating of ___ hour(s). - Answer: 3 Section 717.3.2.1, Table 717.3.2.1 Fire-resistant joint systems installed in exterior walls shall be tested for interior fire exposure only if the horizontal fire separation distance is greater than ___ feet. - Answer: 5 Section 715.3 Exception Control joints are not required to be protected by a fire-resistant joint system when the maximum width of the joint does not exceed ____ inch and is tested in accordance with ASTM E119 or UL 263. - Answer: 0.625 Section 715.1 Exception #9 A fire door installed in a 1-hour rated exterior wall assembly shall have a minimum fire protection rating of ____ hour(s). - Answer: 1 Table 716.5 Automatic-closing fire door assemblies shall be self-closing in accordance to which of the following standards? - Answer: NFPA 80 Section 716.5.9.2 What is the minimum required width of roofing interlayment? - Answer: 18 Ch2 Definitions - Interlayment Asphalt shingles installed on a roof slope of 5:12 or greater are required to have 2 layers of underlayment applied? True or False - Answer: True Section 1507.2.8 What is the minimum allowed roof slope for installing slate shingles? - Answer: 4:12 Section 1507.7.2 Thermoplastic single-ply roofs shall have a minimum roof slope of not less than: - Answer: 1/4:12 Section 1507.13.1 What is the minimum allowed roof slope for installing photovoltaic shingles? - Answer: 3:12 Section 1507.17.2 When fastening ceiling joists to the top plate, what is the minimum size and number of common nails required to connect? - Answer: 3-8d Table 2304.10.1 #2 Crawl spaces are required to have an access opening of not less than ______. - Answer: 18"x24" Section 1209.1 Gypsum board installed on wood joists used to create a horizontal diaphragm ceiling assembly shall be fastened with a minimum of ____ cooler or wallboard nails. - Answer: 5d Section 2508.5, Table 2508.5 Fire-retardant-treated lumber shall be labeled with which of the following: The species of wood Method of drying after treatment Identification of the treating manufacturer All of the above - Answer: All of the above Section 2303.2.4 Fire-retardant-treated wood installed at interior applications shall not have a moisture content exceeding ____ percent. - Answer: 28 Section 2303.2.7 When fastening collar ties to the roof rafters, what is the minimum size and number of box nails required to connect? - Answer: 4-10d Table 2304.10.1 #5 Fasteners for concrete roof tiles shall not be less than ___-gage with a ____ inch head. - Answer: 11, 5/16 Section 1507.3.6 When fastening a stud to the top or bottom plate, what is the minimum size and number of common nails required when toenailing? - Answer: 4-8d Table 2304.10.1 #16 An exterior wall is a wall with a slope of ____ degrees or greater with the horizontal plane. - Answer: 60 Ch 2 Definitions - Exterior Wall Adhered masonry veneer must have a minimum thickness of ____ inches in order to be acceptable as an approved weather covering for exterior walls. - Answer: 0.25 Section 1405.2, Table 1405.2 Combustible exterior wall coverings shall be permitted on buildings of Type III construction when the wall covering does not exceed ___ percent of the exterior wall surface area where the fire separation distance is 5 feet or less. - Answer: 10 Section 1406.2.1 #1 What is the minimum required thickness of thin exterior structural glass veneer? - Answer: 0.344 Section 1405.12.2 In conventional light-frame construction, wood studs within a bearing partition are permitted to be notched a maximum of ______. - Answer: 25% of the stud width Section 2308.5.9 A building installed with polypropylene siding shall maintain a minimum fire separation distance from adjacent buildings of no less than ___ feet. - Answer: 10 Section 1404.12.2 Cold-formed carbon and low-alloy steel structural members shall be design in accordance with which of the following standards? - Answer: AISI S100 Section 2210.1 Cold-formed stainless-steel structural members shall be design in accordance with which of the following standards? - Answer: ASCE 8 Section 2210.1 According to which standard shall structural concrete be designed and constructed? - Answer: ACI 318 Section 1901.2 A vapor retarder is NOT required for which of the following conditions? Detached accessory structure in Group R-3 Unheated storage room less than 70 square feet Carports attached to Group R-3 All if the above - Answer: All if the above Section 1907.1 Exceptions When coarse aggregate is used in shotcrete, it shall not exceed ___ inch in size. - Answer: 3/4 Section 1908.3