2015 IRC Exam 2 of 4 (25-48)

Question 1

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

Answer 1

c. 6 inch air gap

Question 2

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

Answer 2

b. 6 inches

Question 3

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

Answer 3

d. 6 inches

Question 4

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

Answer 4

b. #5

Question 5

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

Answer 5

a. 3 inches

Question 6

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

Answer 6

c. 12

Question 7

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

Answer 7

b. on a slab

Question 8

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

Answer 8

b. 12

Question 9

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

Answer 9

c. 6 feet

Question 10

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

Answer 10

d. 12 inches

Question 11

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

Answer 11

c. 8 inch

Question 12

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

Answer 12

c. 32 inches on center

Question 13

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

Answer 13

c. 4 feet

Question 14

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

Answer 14

d. 4

Question 15

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

Answer 15

c. 10

Question 16

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

Answer 16

b. 18” x 24”

Question 17

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

Answer 17

a. removed from

Question 18

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

Answer 18

c. inspection agency

Question 19

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

Answer 19

b. 14 feet

Question 20

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

Answer 20

d. not allowed

Question 21

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

Answer 21

c. 25

Question 22

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

Answer 22

c. bear on at least 2 joists

Question 23

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

Answer 23

a. 4

Question 24

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

Answer 24

c. 24 inches