Topic Quiz, 8-Hr Building Enclosures Flashcards
______ inches is the minimum depth of a slab on grade.
a. 3’’
b. 3 1/2’’
c. 4’’
d. 4 1/2’’
b. 3 1/2’’
[IRC R506.1]
A ridge board must be _____ the rafters.
a. the same size as
b. 1’’ bigger
c. 2’’ bigger than
d. the same size as the end cut of
d. the same size as the end cut of
[IRC R802.3]
During an inspection, the inspector notices that the bottom of a truss is separating from the top of the corner wall, which supports the truss, what is the cause?
a. Cupping
b. Doming
c. Horizontal Twisting
d. Horizontal Shearing
a. Cupping
Flashing is not required at roof/wall intersections, penetrations, chimney, etc. (TRUE/FALSE)
FALSE
[IRC R903.2]
Flashings shall be installed in a manner that prevents moisture from entering the wall and roof through joints in copings, through moisture permeable materials & at intersections with parapet walls & OTHER penetrations.
What is the term for the type of flashing used where the edge of a shingle roof meets a vertical wall?
a. Woven
b. Hip
c. Step
d. Valley
c. Step
Vertical joints in panel siding must be covered with ____
a. H-Mold
b. Batten Strips
c. Z-flashing
d. Caulking
b. Batten Strips
[IRC R703.3.1]
Which type of brick bond is weakest & most subject to damage or deformation of the wall?
a. Running bond
b. Stack bond
c. Flemish bond
d. Common bond
b. stack bond
A portion of a masonry chimney located in the interior of a building or within the exterior wall of the building, shall have a minimum air space clearance of combustible material of _____.
a. 1’’
b. 2’’
c. 3’’
d. 4’’
b. 2’’
[IRC R1003.18]
Except for walls perpendicular to the lot line, a minimum 1-hour fire resistance rating is required for all exterior walls having a free separation distance of less than_____.
a. 3’
b. 4’
c. 5’
d. 10’
c. 5’
[IRC TABLE R302.1(1) EXTERIOR WALLS]
A casement window is hinged on ______
a. 1 side only
b. 2 sides
c. the top only
d. the bottom only
a. 1 side only
The minimum glazed area for natural light in a bathroom is ______.
a. 3.0 sq ft
b. 3.3 sq ft
c. 5.0 sq ft
d. 5.7 sq ft
a. 3.0 sq ft
[IRC R303.3)
Glazing adjacent to & in the same wall plane as the doors must be safety glazed when the distance from the glazing to the door is less than ____ & the bottom edge is less than ____ above the floor.
a. 12’’, 36’’
b. 12’’, 60’’
c. 16’’, 72’’
d. 24’’, 60’’
d. 24’’, 60’’
[IRC R308.4.2]
All penetrations require______
a. decking
b. batten strips
c. flashings
d. openings
c. flashings
[IRC R703.4]
Paper lap over framing for exterior walls requires minimum ____ horizontal _____ vertical.
a. 2’’ & 4’’
b. 2’’ & 6’’
c. 1’’ & 4’’
d. 3’’ & 6’’
b. 2’’ & 6’’
[IRC R703.2]
Exterior walls shall provide the building with a _____
a. Weather resistant interior wall envelope.
b. Weather resistant exterior wall envelope.
c. A NON-Weather resistant exterior wall envelope.
d. A Weather resistant decking attached to wall.
b. Weather resistant exterior wall envelope.
[IRC R703.1]
What direction should the vapor barrier of insulation be installed?
a. Vapor barrier facing unconditioned air space
b. Vapor barrier should be unfaced
c. Vapor barrier facing conditioned air space
d. BOTH B & C
c. Vapor barrier facing conditioned air space
[IRC R302.10.1, Exception #1]
Vapor retarder joints minimum laps under habitable space.
a. 4’’
b. 6’’
c. 8’’
d. 12’’
b. 6’’
[IRC R506.2.3]
Where a vapor retarder was properly installed in a crawlspace area over the ground, the ventilation in the crawl space can be reduced to_____.
a. 1/1500
b. 1/1500 with cross circulation
c. 1/300
d. 1/300 with cross circulation
b. 1/1500 with cross circulation
[IRC R408.2]
Unless a certification is provided by the insulation installers, an R-value identification mark shall be applied by the manufacturer to each piece of building thermal envelope insulation that is a minimum of ______ wide.
a. 12’’
b. 15’’
c. 18’’
d. 22’’
a. 12’’
[IRC N1101.12.1 (R303.1.1)]
What is the minimum R-value required for a wood frame exterior wall?
a. R-10
b. R-13
c. R-15
d. R-19
b. R-13
[TABLE N1102.1.1 (R402.1.1)
The thickness of blown-in cellulose roof/ceiling insulation shall be provided on markers installed throughout the attic space at a rate of 1 marker every _____ maximum.
a. 100 sq ft
b. 200 sq ft
c. 300 sq ft
d. 500 sq ft
c. 300 sq ft
[IRC N1101.12.1.1 (R303.1.1.1)]
A permanent certificate SHALL be completed & posted on or in the electrical distribution panel by the builder or requested design professional (TRUE/FALSE)
TRUE
[IRC N1101.1 (R401.3)]
Heating & Cooling equipment shall be sized in accordance with ACCA Manual ___ based on building loads calculated with ACCA Manual ___ or other approved heating & cooling calculation methodologies.
a. S & B
b. S & J
c. J & S
d. B & S
b. S & J
[IRC N1103.6 (R403.6)]
Supply ducts in attics require a minimum of ____ value insulation
a. R-13
b. R-19
c. R-30
d. R-8
d. R-8
[IRC N1103..2.1 (R403.2.1)]