2015 IRC Exam 2 of 4 (25-48) Flashcards
1
Q
25. Termite protection shall not be provided by what means? (p72 - R318.1) a. plastic sheeting b. te1mite baiting systems c. 6 inch air gap d. use Eastern Red Cedar wood
A
c. 6 inch air gap
2
Q
26. What is the minimum distance between foam plastics installed above grade and exposed earth in areas of heavy termite infestation? (p72 - R318.4) a. 4 inches b. 6 inches c. 8 inches d. 12 inches
A
b. 6 inches
3
Q
27. What is the minimum thickness requirement for a footing carrying 2 stories of a slab on grade light-framed structure? (p81 - Table R403.1) a. 16 inches b. 12 inches c. 10 inches d. 6 inches
A
d. 6 inches
4
Q
28. What is the size of rebar required in the middle third of a footing that is part of a monolithic slab on grade with tum down footings? (p84 - 403.1.3.3) a. #4 b. #5 c. #8 d. #10
A
b. #5
5
Q
29. What is the minimum clearance of rebar to earth used in a footing? (p84 - 403.1.3.5.3) a. 3 inches b. 6 inches c. 8 inches d. placed in the middle ofthe footing
A
a. 3 inches
6
Q
30. An exterior footing for a structure must be at least \_\_\_\_\_\_ inches below the undisturbed ground surface. (p89 - 403.1.3.4) a. 24 b. 18 c. 12 d. 6
A
c. 12
7
Q
31. An accessory storage building that is 350 square feet is required to be \_\_\_\_\_\_ (p89 - 403.1.4.1) a. on piers b. on a slab c. does not require a permit d. does not require an inspection
A
b. on a slab
8
Q
32. What is the minimum depth a footing must be below undisturbed ground in Jackson, Mississippi? (p31) a. 6 b. 12 c. 18 d. no requirement
A
b. 12
9
Q
33. What is the maximum distance between anchor bolts used in wood wall framing? (p89 - 403.1.6) a. 3 feet b. 4 feet c. 6 feet d. 8 feet
A
c. 6 feet
10
Q
34. What is the maximum distance anchor bolts shall be from ends of sill plates in wood wall framing? (p89 - 403.1.6) a. 2 inches b. 4 inches c. 8 inches d. 12 inches
A
d. 12 inches
11
Q
35. What is the minimum size block that may be used in a foundation wall if the wall is 8 feet tall and has backfill of 4 feet made of type SW soil? (p102 - 404.1.1.1) a. 12 inch b. 10 inch c. 8 inch d. 4 inch
A
c. 8 inch
12
Q
36. Given: 8 inch thick masonry foundation wall that is 8 feet tall, has 8 feet of unbalanced backfill of ML-CL soil. How often are #6 vertical bars required for this wall? (p103 - Table R404.1.1.2) a. 48 inches on center b. 36 inches on center c. 32 inches on center d. 24 inches on center
A
c. 32 inches on center
13
Q
37. What is the maximum height of a foundation wall supporting light frame construction if a 4" inch unreinforced hollow masonry unit is used in the foundation? (p116 - R404.1.5.3) a. 2 feet b. 3 feet c. 4 feet d. 6 feet
A
c. 4 feet
14
Q
38. A masonry foundation wall must extend \_\_\_\_\_ inches above the finished grade when masonry veneer is used. (p116 - R404.1.6) a. 12 b. 8 c. 6 d. 4
A
d. 4
15
Q
39. A crawlspace of an office building must have \_\_\_\_\_\_\_ sq. ft. of ventilation for 1500 sq. ft. of crawlspace area. (p121 - R408.1) a. 1 b. 5 c. 10 d. 12
A
c. 10
16
Q
40. The door for the crawlspace access point must be? (p122 - R408.4) a. 22" X 30" b. 18" x 24" C. 12"x 12" d. no requirement
A
b. 18” x 24”
17
Q
41. Wood forms used for the placing of concrete shall be \_\_\_\_\_\_ the crawlspace before the structure is occupied. (p122 - R408.5) a. removed from b. buried in c. stacked in d. no requirement
A
a. removed from
18
Q
42. Wood used for load supporting structures shall be identified by the grade mark of a lumber grading or \_\_\_\_ (p123 - R502.1.1) a. ASTM 84 b. DOC 29 c. inspection agency d. mill
A
c. inspection agency
19
Q
43. What is the maximum span of a 2 x 10 floor joist if the species is Southern Pine #2, spaced 16 inches on center, and must support a 40 lbs. live load and 10 lbs. dead load? (p127 - R502.3.1.2) a. 12 feet 6 inches b. 14 feet c. 15 feet 6 inches d. 18 feet
A
b. 14 feet
20
Q
44. You wish to notch the top of a 2x12 in the middle. The maximum size of the notch can be \_\_\_\_\_\_? (p130 - R502.8.1) a. 3 in. b. 4 in. c. 6 in. d. not allowed
A
d. not allowed
21
Q
45. What is the maximum percentage you can notch the end of a floor joist? (p130 - R502.8.1) a. 50 b. 30 c. 25 d. 10
A
c. 25
22
Q
46. End joints in end-matched lumber used as subflooring shall \_\_\_\_\_\_ (p132 - R503.1.1) a. not be over 24 inches long. b. not be less than 16 inches long c. bear on at least 2 joists d. no requirements
A
c. bear on at least 2 joists
23
Q
47. The base for preservative treated wood floors placed on the ground shall be at least \_\_\_\_\_ inches of gravel over compacted earth. (p134 - R504.2.1) a. 4 b. 6 c. 8 d. not allowed
A
a. 4
24
Q
48. What is the maximum distance a cantilevered metal floor joist may extend if supporting the first floor of a one story building? (p145 - R505.3.6) a. 48 inches b. 36 inches c. 24 inches d. 12 inches
A
c. 24 inches
