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GC License Test > IRC 2018 > Flashcards

IRC 2018 Flashcards

1
Q

How long do you have to pick up your permit before it will be considered abandoned?

A

180 days

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2
Q

Which of the following areas are hazardous locations for glazing windows?

A

Swinging doors, railings, and large panes.

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3
Q

When can you reinstall existing slate? Clay or cement tile?

A

When it’s not cracked, damaged or broken

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4
Q

What is the minimum vertical reinforcement and spacing for a wall that is 6 ft 8 in high, with less than 3 ft of unbalanced back fill?

A

4 at 72

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5
Q

Where a fireplace opening is more than 6 ft², heart extensions shall extend how far to the front and the sides?

A

20 in to the front and 12 in to the sides

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6
Q

For proper sanitation, every dwelling shall have which of the following?

A

Kitchen and kitchen sink

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7
Q

What is a requirement for all plumbing fixtures

A

That they have both hot and cold water

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8
Q

When using metal studs, what type of fastener is required for attaching gypsum board?

A

No. 6 screw with bugle head style

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9
Q

When placing anchor bolts in a concrete floor slab, they should extend to the concrete How far?

A

7 in

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10
Q

Ends of ceiling joists shall overlap a minimum of how many inches?

A

3 in

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11
Q

If a pool is directly accessible from the dwelling, what must be in place?

A

An alarm which produces an audible warning when the door and or its screen are open.

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12
Q

In areas where expensive soils or collapsible soils are known to exist, all dwelling shall have a controlled method of water disposal from roofs that will collect and discharge roof drainage to the ground surface not less than ______ from the foundation walls or to an approved drainage system

A

5 ft

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13
Q

What is the maximum length for glass in jalousies and louvered windows?

A

48in

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14
Q

Habitable rooms shall have a ceiling height of not less than:

A

7 ft

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15
Q

What type of surface is required in bathtub and shower areas?

A

Non-absorbent

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16
Q

What is the minimum roof slope required for the installation of a metal shingle roof?

A

25%

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17
Q

Dwelling units into – family dwellings shall have what fire resistance rating?

A

1 hour

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18
Q

With bonding with prefabricated joint reinforcements, the maximum vertical spacing of the joint reinforcement shall not be more than:

A

16 in

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19
Q

On a roof, where must you install a cricket or saddle?

A

On any chimney or penetration more than 30 in wide perpendicular to the slope.

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20
Q

What are the requirements for vertical reinforcement for masonry elements?

A

They shall consist of at least one No. 4 for bar. Spaced no more than 48 inches. Vertical reinforcement shall be located within 16 in of the ends of masonry walls.

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21
Q

Pain rail height shall not be less than _______ inches and not more than___ inches.

A

34 and 38

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22
Q

How high must a porch floor or deck be above the ground to acquire a guardrail?

A

30 in

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23
Q

What is the maximum on center spacing for a mechanically fastened drip edge?

A

12 inches on center

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24
Q

What type of barrier should be applied over studs or sheathing of all exterior walls?

A

One layer of 15 lb felt or other approved water resistant barrier

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25
Q

Any portion of a masonry chimney located in the interior of the building or within the exterior wall of the building shall have a minimum airspace clearance of at least how many inches?

A

2 in

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26
Q

The proper spacing for wood shingles is:

A

1/4 inch minimum and 3/8 inch maximum

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27
Q

What is the minimum passageway for attics containing appliances?

A

A level service space at least 30 in x 30 in Shall be present along all sides of the appliances were accesses required. They must have a clear and unobstructed passageway large enough to allow removal of the largest appliance, but not less than 30 in high and 22 inches wide and not more than 20 ft in length.

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28
Q

What is the minimum roof slope for a slate shingles?

A

4:12

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29
Q

A wall space shall include any space that is_____ feet or more in width and that is unbroken along the floor line bay doorways, fireplaces and similar openings.

A

2’

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30
Q

In residential construction, the minimum stair tread depth is:

A

10 inches

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31
Q

What is the minimum size for coarse sand under wood foundations?

A

1/16”

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32
Q

What is the maximum ceiling joist span when using 12-in spacing and southern pine SS 2x4s?

A

12 ft. 11 in

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33
Q

Before pouring a foundation, the area within the foundation wall shall have all____ removed

A

Vegetation in foreign material

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34
Q

What must be designed to transmit the uplift forces from the raft or trust ties to the foundation?

A

A continuous load path

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35
Q

What is the minimum height of guards on the open side of stairways more than 30 in in height?

A

34 in

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36
Q

Would work or other combustible materials should not be placed within? How many inches of a fireplace opening?

A

6 in

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37
Q

What is the minimum distance the bottom of the footing can be below grade?

A

12 in

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38
Q

Which cannot be used as fastener for asphalt shingles?

A

Zinc coated

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39
Q

Stairways shall not be less than how many inches wide?

A

36 in

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40
Q

What is the minimum thickness of back and side walls when a lining of fire break At least 2 in thick or other proof lining is provided?

A

8 in of solid masonry

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41
Q

When installing a tile roof, two layers of felt underlayment are required for roofs with what pitch?

A

2 1/2: 12-4 : 12
25%

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42
Q

When bonding with adjustable wall tiles, there should be at least one wall tile per how many square feet?

A

2.67 ft²

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43
Q

When using 20D come in fasteners on built up girders and beams, what is the proper spacing for each layer?

A

Nail each layer 32 in on center at top and bottom and staggered

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44
Q

What is the minimum schedule? 40 metallic supply gas pipe size that can be used for a gas furnace?

A

1/2 in

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45
Q

When placing vertical steel reinforcement in a 12-in masonry foundation wall, the maximum spacing should not exceed?

A

72 in on center

46
Q

What exposure category covers urban and suburban areas that reflects the characteristics of the crown surface?

A

Exposure b

47
Q

What are the minimum and maximum sizes for nosings on stairways with solid risers?

A

3/4 in to 1 1/4 in

48
Q

The minimum gage of metal roof valley flashing on an asphalt roof is:

A

26 gauge

49
Q

What is the maximum level slope for the top surface of a footing?

A

Zero

50
Q

What is the minimum flange width for c-shaped sections of load bearing metal studs?

A

1 5/8 in

51
Q

Where are holes in load bearing steel wall framing members permitted?

A

Only along the center line of the web of the framing member.

52
Q

The finished grade of underfloor surface may be located where?

A

At the bottom of the footings

53
Q

The greatest riser height within any flight of stairs shall not exceed the smallest by more than:

A

3/8 in

54
Q

The minimum net area of ventilation opening shall not be less than one square foot for each:

A

150 ft² of under floor space area

55
Q

Re-roofing is required instead of recovering when the existing roof covering is:

A

Water soaked?

56
Q

After receiving your permit, how soon must you start work?

A

180 days

57
Q

The specified thickness of a thin glass block unit shall be at least:

A

3 1/8” for hollow units and 3 inches for solid units.

58
Q

Rafter ties shall be what minimum size?

A

2x4 in

59
Q

What is the minimum length of bearing of lentils in a masonry fireplace?

A

4 in

60
Q

The installation of clay roofing tile shall comply with?

A

ASTM C1167

61
Q

Shower receptor shell have a finished curb/ threshold at least ____ above the sides and back of the receptor

A

1 in

62
Q

What is the maximum stair riser height?

A

7 3/4 inches

63
Q

What is the maximum on center spacing for anchor bolts? Insole plates for interior bearing wall supported on a continuous foundation?

A

6 ft on center and located within 12 inches of the ends of each plate section

64
Q

Habitable Rooms shall have a floor area of not less than:

A

70 ft²

65
Q

Ventilation openings used for cross ventilation of attics and enclosed after spaces shall be?

A

Corrosion resistant wire mesh, with 1/16 in minimum to 1/4-in maximum

66
Q

What type and size of fit is required for a water heater?

A

4” , double wall type B

67
Q

What is the minimum distance of untreated wood girders to the grade below?

A

12 in

68
Q

In wood frame construction, floor can deliver. Shall not exceed:

A

The nominal depth of the wood floor joist

69
Q

In residential construction, what is the maximum vertical rise between full levels or landings for a flight of stairs?

A

151 in

70
Q

What is the maximum width and length for holes in a load bearing steel wall framing members?

A

Maximum width of 5* the member depth or one and a half inch, maximum length of four and a half inches.

71
Q

What is the minimum roof slope for standing seam roof systems?

A

1/4 : 12

72
Q

Unreinforced hollow masonry parapet walls shall not be less than how thick and how high?

A

Not less than 8 in and shall not exceed three times their thickness in height.

73
Q

What is a requirement for all plumbing fixtures?

A

That they have both hot and cold water

74
Q

Chimneys shall be provided with crickets when the dimensions parallel to the Ridgeline is greater than_____ inches and does not intersect the Ridgeline

A

30 in

75
Q

When using a single layer of felt underlayment, the minimum roof slope for asphalt shingles shall be:

A

33% 4:12

76
Q

What size sphere shall not pass between vertical members of a guardrail system?

A

4 inches in diameter

77
Q

What is the minimum diameter for foundational anchor bolts?

A

One half inch

78
Q

The diameter of holes cut into wood floor joist members shall not exceed:

A

1/3 the depth of the member

79
Q

What size must a one-story detached structure such as a shed or playhouse b, in order to be exempt from needing a permit?

A

The floor area must not exceed 200 ft²

80
Q

The bottom surface of footings is permanented to have a slope not exceeding?

A

10% 1:10

81
Q

What is the minimum thickness for glass in j?alousies and louvered windows

A

3/16 in

82
Q

What is the load limit for Floor joists that do not support sleeping areas or addicts that are accessed by means of a fixed stairway?

A

Provided that the design live loads does not exceed 40 pounds per square foot design dead, but it is not exceed 20 lbs per square foot

83
Q

A pool’s gate release mechanism shall be located on the pool side where?

A

At least 3 inches below the top of the gate.

84
Q

What must be provided for glass in hazardous locations?

A

A manufacturer’s designations specifying who applied the designation, and designating the type of glass and the standard with which it complies.

85
Q

What do you call a device intended for the protection of personnel that functions to de-energize a circuit or portion thereof within an established period of time when a current to the ground exceeds the value for a class A device?

A

Ground fault interrupter

86
Q

What is the minimum depth for footings for frost protection?

A

12”

87
Q

For access to underfloor spaces, openings through the floor shall be a minimum of ________, and openings through a perimeter loss via minimum of________

A

18x24 in, 16x24 in

88
Q

What is the minimum size access door for a crawl space opening through the floor?

A

18x24 in

89
Q

When must all construction material be removed?

A

Before a building is occupied

90
Q

What is the minimum interior dimension of a shower stall?

A

30 Inches

91
Q

What is the maximum load for floor joist that supports sleeping areas and addicts that are accessed by means of a fixed stairway?

A

A live load of 30 PSF. And a dead load of 20 PSF

92
Q

In wood frame construction, floor cantilevers shall not exceed?

A

The Nominal depth of a wood floor joist

93
Q

The ends of each joist, beam or girder shall have not less than how many inches bearing on masonry or concrete?

A

3 in

94
Q

Galvanized metal ties must be installed when they top plate is drilled or notched by what depth?

A

By More than 50%

95
Q

The ends of each joist, beam or girder shall have not less than how many inches bearing on wood or metal

A

1.5 in

96
Q

Egress exit doors shall be a side. Hinge door not less than what size?

A

A minimum clear width of 32 inches wide and 78 in in height

97
Q

Which cannot be used as fasteners for asphalt shingles

A

Zinc coated

98
Q

The triangular area formed by the riser, tread and rail must not allow the passage of what size sphere?

A

6 in

99
Q

Which of the following do not need a permit?

A

Fences, sidewalks and driveways

100
Q

What size circuit is required for bathroom receptacles?

A

A minimum of one 20 amp circuit.

101
Q

When is a certificate of occupancy issued?

A

After the building official inspects the building and finds no violations.

102
Q

What size shall the trap be for a kitchen sink with a food waste disposer?

A

1.5”

103
Q

What is the allowable deflection for floors and plaster ceilings?

A

Span length divided by 360
Span length/ 360

104
Q

What must be submitted with the application for permit?

A

Site plan

105
Q

What size landing is required at the top and bottom of ramps?

A

The width shall be not less than 36 in

106
Q

A parapet wall must extend above the roof by minimum of:

A

30 in

107
Q

What size landing shall be on each side of an exterior door?

A

The width of each landing shall have a minimum dimension of 36 in in the direction of travel

108
Q

The triangular area formed by the riser tread and rail must not allow the passage of what size sphere

A

6 in

109
Q

A wall that extends beyond the finished roof deck is called a:

A

Parapet wall

110
Q

For fire resistant construction, the thickness of a door separating a garage from a residence should be:

A

1 3/8”

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