ICC 2021 IRC Residential Building Inspector (B1) and Plans Examiner Quiz 1


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1) Which appendices in the IRC are required (R102.5)?

2) What times are appropriate for an inspector to have access to a property (R104.6)?

3) When is it acceptable for used materials to be applied in new construction (R104.9.1)?

4) Modifications are allowed as approved by the building code official where there are practical difficulties in carrying out the provisions of the code for all the following except (R104.10)?

5) Where there is insufficient evidence of compliance with code requirements for materials, tests can be required by the code official and shall be paid by (R104.11.1)?

6) Where there is insufficient evidence of compliance with code requirements for materials, testing procedures shall be approved by (R104.11.1)?

7) Who is ultimately responsible for obtaining a required building permit (R105.1)?

8) Who shall a building application for a required permit be applied through (R105.1)?

9) Which of the following requires a building permit (R105.2)?

10) Which of the following does not require a building permit (R105.2.2)?

11) Which of the following is required on a building permit application (R105.3)?

12) An application for a permit shall be deemed to have been abandoned how many days after the date of filing if no effort is made to pursue the permit (R105.3.2)?

13) Construction documents not for an alteration or repair is required to have which of the following (R106.2)?

14) Where the building official issues a permit, the construction documents shall be approved in writing or by a stamp that states (R106.3.1)?

15) Two plans are required to be approved or stamped by the building department. One shall be retained by the building department, and the other shall be (R106.3.1)

16) All changes made during construction that are not in compliance with the approved construction documents (R106.4)?

17) How long shall one set of approved construction documents be retained by the building official from the date of completion of the permitted work (R106.5)

18) Inspection of the foundation shall be made after (R109.1.1)?

19) When is fire resistance rated construction between dwelling units required to be inspected (R109.1.5.1)?

20) Who is responsible for notifying the building official that an inspection is ready, and shall make sure access is available for such inspections (R109.3)?

21) A portion of a structure that has a change of occupancy shall not be occupied until after (R110.1)?

22) The building official is authorized to issue a temporary certificate of occupancy before the completion of work provided that (R110.4)?

23) Interpretation of the code to validate determinations made by the building official is performed by (R112.1)?

24) Work performed contrary to the provisions of the code can warrant (R144.1)?

25) A stop work order shall include all the following except (R114.2)?

26) An open space bounded on three or more sides by walls or a building is a (Chapter 2)?

27) What is a material installed to restrict the movement of air within open spaces of concealed construction (Chapter 2)?

28) A habitable space includes which of the following (Chapter 2)?

29) What is the percent cross-sectional area required for a masonry unit to be considered as hollow (Chapter 2)?

30) Which of the following species of wood is considered both decay and termite resistant (Chapter 2)?

31) Sloped glazing is installed at a slope from vertical of (Chapter 2)?

32) Plywood is an example of (Chapter 2)?

33) What is the minimum thickness of wood structural panels installed to protect exterior glazing in buildings located in windborne debris regions (R301.2.1.2 Exception)?

34) Who is responsible for determining the seismic design category for a building (Table 301.2)?

35) For 7/16” wood structural panels for wind impact zones protecting openings using No. 8 wood-screw-based anchor with 2-inch embedment length for panels with a 7’ span, what is the fastener spacing (Table R301.2.1.2)?

36) What is the default assumed wind exposure category (R301.2.1.4.1)?

37) Buildings with exterior above-grade concrete walls shall comply with PCA 100 or shall be designed in accordance with (R301.2.2.5)?

38) Buildings are required to be engineered in regions with a ground snow load in excess of (R301.2.3)?

39) Dimensions of lumber specified within the code are deemed to be (R301.8)?

40) What is the accepted uniformly distributed live load for an attic used for limited storage (Table R301.5)?

41) What is the accepted uniformly distributed live load for a bedroom (Table R301.5)?

42) Common walls separating townhouse units shall be rated for fire exposure (R302.2.2 Know Section 302)?

43) Foundation vents installed in compliance with the code that are less than one foot from an adjacent structure are required to be protected with what fire rating (R302.1 Exception 5)?

44) What gauge of steel in mechanical ducting is required at a minimum for mechanical equipment in a common wall that separates townhouses (R302.2.2)?

45) What is the minimum fire rating for a common wall separating sprinklered townhouse units (R302.2.2.1)?

46) Townhouse roof surfaces at the same elevation that are adjacent to the parapet wall requires such a wall to be a minimum of how high (R302.2.4)?

47) Dwelling units in two-story family dwellings that are sprinklered shall be separated from each other by what minimum fire rating (R302.3 Exception 1)?

48) What is the space created by the penetration of water-filled fire sprinkler piping through penetrations of fire-resistance-rated wall referred to as 9R302.4.1.2)?

49) Openings from a private garage directly into a room used for sleeping purposes are permitted only when (R302.5.1)?

50) The door thickness for openings between the garage and a residence when equipped with a solid door shall be no less than (R302.5.1)?

51) What is the maximum flame spread index for the interior finish in a residence (R302.9.1)?

52) The maximum smoke-developed index for insulating materials installed within floor-ceiling assemblies shall not exceed (R302.10.1)?

53) What is the minimum required gypsum thickness to separate a garage from a non-habitable attic (R302.6)?

54) What is the minimum required gypsum thickness to separate a garage from a habitable room above the garage (R302.6)?

55) Fireblocking shall be provided in concealed spaces of stud walls and partitions horizontally at intervals not exceeding (R302.11.1.1.2)?

56) Fireblocking shall be provided in wood-framed construction in all the following locations except (R302.11.1 [all])?

57) Fireblocking materials can be any of the following except (R302.11.1)

58) Drafstops shall be installed so that the area of concealed space does not exceed what area in combustible construction with usable space above the concealed location (R302.12)?

59) Where the assembly is enclosed by a floor membrane above and a ceiling membrane below, drafstopping shall be provided in the floor-ceiling assemblies when (R302.12.2)?

60) Unrated floor assemblies using structural panel sheets as subfloor shall require which of the following on the underside of the floor framing members (R302.13)?

61) Excluding exceptions, the glazing area shall be a minimum of what percentage of the floor area of habitable rooms (R303.1)?

62) Excluding exceptions, the openable area to the outdoors shall be not less that what percentage of the floor area of habitable rooms (R303.1)?

63) Excluding exceptions, rooms shall be considered to be a portion of an adjoining room where not less than half of the area of the common wall is open and unobstructed and provides an opening of not less than what percentage of the floor area of the interior room (R303.2)?

64) What is the aggregate glazing area in windows (half of which are openable) in bathrooms that are not supplied by a local exhaust system (R303.3)?

65) Mehanical outdoor air intake openings can be located no closer than how far below a contaminant source (R303.5.1 Exception 1)?

66) Exhaust air from mechanical systems shall not be directed on which of the following (R303.5.2)?

67) Intake openings that terminate outside shall have openings between (R303.6)?

68) There shall be a wall switch at each floor level to control the light source where the stairway has more than how many risers (R303.7)

69) Exterior stairways shall be provided with an artificial light source located at the landing of the stairways at what location (R303.8)?

70) Every dwelling unit shall be provided with heating facilities capable of maintaining a room temperature of not less than what value at a point 3 feet above the floor (R303.10)?

71) Except for kitchens, habitable rooms shall have a minimum area of (R304.1)?

72) Exception for kitchens, what is the minimum width of a habitable room (R304.2)?

73) Portions of a room under what height shall not be used in the minimum required habitable area for that room (R304.3)?

74) Excluding exceptions and rooms with sloped ceilings, the minimum ceiling height of habitable spaces shall not be less than (R305.1 and Exemption 1)?

75) Every dwelling unit shall be required to have all of the following except (R306.1, 306.2)?

76) Shower walls shall be finished with a nonabsorbent surface extending from the floor at least (R307.2)?

77) What is the minimum clear space required in front of a toilet (Figure R307.1)?

78) What is the minimum clear space required to the side of the center of a toilet (Figure R307.1)?

79) What are the minimum dimensions of a shower (Figure 307.1)?

80) Glazed areas shall be tempered glass for (R308.3)?

81) Glazing in a fixed panel adjacent to a door shall be considered in a hazardous location where the bottom edge of the glazing is less than 60 inches above the walking surface and is within how far of either side of the door (R308.4.2)?

82) Glazing that is 40 inches from the edge of a pool shall be tempered or otherwise protected if it is within how far vertically of the walking surface (R308.4.5)?

83) Glazing within 36 inches of the floor at the bottom of stairways within what radius distance of the corner of the bottom of the stair edge shall be protected as hazardous (R308.4.7)?

84) All of the following are allowed as glazing materials for skylights except (R308.6.2)?

85) Screens required under skylights shall have a minimum mesh size of not greater than (R308.6.3, R308.6.7)?

86) Curbs required on a skylight (<3:12) shall be mounted on a curb extending not less than how far above the roof (R308.6.8)?

87) Carports shall be open on not less than how many sides (R309.2)?

88) Emergency escape and rescue openings shall have a net clear opening of not less than (R310.2.1) except for grade floor emergency escape and rescue openings?

89) The minimum net clear opening height of an emergency escape and rescue opening is (R310.2.2)?

90) The minimum net clear opening width dimension of an emergency escape and rescue opening is (R310.2.2)?

91) Emergency escape and rescue openings shall have the bottom of the clear opening not greater than how high above the floor (R310.2.3)?

92) Emergency escape and rescue openings installed under decks shall provide a path of not less than how high under the deck (R310.2.4)?

93) The horizontal area of an area well that serves an emergency escape and rescue opening below grade shall not be less than (R310.4.1)?

94) A ladder that serves an area well supporting access to an emergency escape and rescue opening shall not encroach into the required horizontal area well by more than (R310.4.1 Exception)?

95) Area wells providing access to a below grade emergency escape and rescue opening shall have a ladder if the depth is greater than (R310.4.2)

96) Means of egress paths from inside a dwelling to the exterior is required without passing through a (R311.1)?

97) Not less than one egress door shall be provided for each dwelling until where the door is side-hinged and no less than what clear width (R311.2)?

98) The clear height of a required means of egress door for a dwelling shall not be under (R311.2)?

99) The slope at exterior landings for residential dwellings shall not exceed ¼ unit vertical for each (R311.3)?

100) Excluding exceptions, the landing at an exterior door within a dwelling until shall be nor more than how much lower than the top of the threshold (R311.3.1)?

101) The landing or floor on the exterior side of a residential exterior door where the door does not swing over the landing or floor is allowed to be lower than the top of the threshold by (R311.3.1 Exception)?

102) A top landing at an exterior door that does not swing over the landing is not required if the stairway to that landing is not more than how many risers (R311.3.2)?

103) What is the minimum width of a residential hallway (R311.6)?

104) What is the minimum clear width between handrails for interior residential stairways (R311.7.1)?

105) What is the minimum headroom in stairways excluding exceptions (R311.7.2)?

106) What is the maximum riser height for residential stairways (R311.7.5.1)?

107) For any stairway flight, the risers shall be uniform in height within (R311.7.5.1)?

108) Open risers shall not permit a sphere passing through them of more than (R311.7.5.1)?

109) What is the minimum tread depth for residential stairs (R311.7.5.2)?

110) All treads within a stairway flight shall have a uniform length within (R311.7.5.2)?

111) Winder treads shall have a tread depth at any point within the clear width of the stairway that is no small than (R311.7.5.2.1)?

112) A nosing projection on stairways shall not be less than (R311.7.5.3)?

113) A nosing projection on a stairway shall not be more than (R311.7.5.3)?

114) The walking surface of treads and landings of stairways shall not have a slope steep than (R311.7.7)?

115) Handrails are required on at least one side of a stairway if there are more than how many risers (R311.7.7)?

116) Stairway handrail height shall be no lower than (R311.7.8.1)?

117) Stairway handrail height shall be no higher than (R311.7.8.1)?

118) Handrail projection into the stairways is limited to not more than (R311.7.8.2)?

119) Handrails with a circular cross section shall have an outside diameter of not less than (R311.7.8.5.1)?

120) The clear width between handrails on a spiral staircase shall not be less than (R311.7.10.1)?

121) The maximum riser height for spiral staircases is (R311.7.10.1)?

122) Means of egress ramps shall have a slope no steeper than (R311.8.1)?

123) A landing is required for ramps for each of the following situations except (R311.8.2)?

124) A handrail is required for ramps with a slope exceeding (R311.8.3)?

125) Guard rails are required on any open-sided walking surfaces located above (R312.1.1)?

126) What is the minimum height or guard rails for residential construction (R312.1.2)?

127) Required stairway guards shall not permit a sphere to pass through them that is greater than (R312.1.3)?

128) Smoke alarms are required in all of the following except (R314.3)?

129) Smoke alarms are required to receive their primary power from (R314.6)?

130) Single station smoke alarms are not necessary if there is a (R314.7)?

131) What is the maximum flame spread index for foam plastic insulation that is 4 inches thick (R316.3.1)?

132) Foam plastic insulation shall be separated from the interior of a building by any of the following except (R316.4)?

133) Foam plastic insulation within attics is allowed to be protected from ignition by a thermal barrier of (R316.5.3.3.5)?

134) Foam plastic interior trim that does not have a thermal barrier is allowed provided that the trim does not exceed what percent of the aggregate wall and ceiling area (R316.5.9.3)?

135) Wood joists within crawl spaces are required to be of naturally durable wood if they are within how far from the exposed ground (R317.1.1)?

136) Wood girders within crawl spaces are required to be of naturally durable wood if they are within how far from the exposed ground (R317.1.1)?

137) Naturally durable wood or preservative treated wood is required as siding if it is within what distance from the ground (R317.1.5)?

138) Naturally durable wood or preservative treated wood is required as siding if it is within what distance from concrete (R317.1.5)?

139) Wood columns must be of naturally durable wood or preservative treated wood if less than how far above the concrete floor of a basement slab (R317.1.9)?

140) All wood in contact with the ground shall be (R317.1.2)?

141) The required quality mark on each piece of pressure-preservative-treated lumber shall contain all of the following information except (R317.2.1)?

142) Which of the following fastener materials are permitted for preservative treated wood (R317.3.1)?

143) All of the following are acceptable methods for controlling subterranean termites except (R318.1)?

144) In areas of very heavy termite infestation, the clearance between foam plastics install above grad and the exposed earth shall be no less than (R318.4)?

145) Address numbers required on dwellings shall have a character height of no less than (R319.1)?

146) Areas of shallow flooding shall have the lowest floor above the grade where the flood level height is not specified by at least (R322.2.1.2)?

147) Areas under the flood plain level are permitted to be used solely for the following items except (R322.2.2, R322.3.6)?

148) The walls of enclosed areas under the flood plain level shall have at least how many openings on different sides of each enclosed area (R322.2.2.1)?

149) Buildings within coastal high-hazard areas shall be elevated so that the bottom of the lowest horizontal structural member is above the base flood elevation plus what distance (R322.3.2)?

150) Buildings erected in coastal high-hazard areas shall be (R322.3.3)?

151) When are walls permitted below the flood level plain in a coastal high hazard area (R322.3.5)?

152) The clear height above and below a mezzanine floor shall be not less than (R325.2)?