24 Hour Building Enclosures Quiz Flashcards
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
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 802.3]
Dramatic slope is likely less important if the ground surface is: ASPHALT (TRUE/FALSE)
TRUE
The floor area beneath a furred ceiling can be considered to be contributing to the minimum required habitable area for the room where it has a minimum height of ____ above the floor.
a. 5’
b. 6’ 4’’
c. 6’ 8’’
d. 7’
d. 7’
[IRC R305.1]
Base flashing shall be of either corrosion-resistant metal of minimum nominal 0.019’’ thickness or mineral surface roll roofing weighing a minimum of 77 lbs per 100 sq ft. (TRUE/FALSE)
TRUE
[IRC R905.2.8.1]
Base flashing against a vertical sidewall shall be continuous. (TRUE/FALSE)
TRUE
[IRC R905.2.8.3]
A drip edge shall be provided at eaves and gables of shingle roofs. (TRUE/FALSE)
TRUE
[IRC R905.2.8.5]
There is no significant difference between traditional stucco & EIFS. (TRUE/FALSE)
FALSE
When inspecting siding, the inspector should just look at the siding. Never press & poke on the wood. (TRUE/FALSE)
FALSE
The places where wood rot is usually found is the areas close to the ground, near dormers & the ends of the boards. (TRUE/FALSE)
TRUE
Unless located a minimum of 60’’ above the floor or walking surface, glazing within a ____ arc of a door shall be considered to be installed in a hazardous location.
a. 12’’
b. 24’’
c. 36’’
d. 60’’
b. 24’’
[IRC R308.4.2]
Glazing adjacent to a door to a storage closet is not required to be safety glazing provided the closet is a maximum of ____ in depth.
a. 24’’
b. 30’’
c. 36’’
d. 42’’
c. 36’’
[IRC R308.4.2 (Exception-4]
Glazing in a door shall be safety glazing where the opening allows the passage of a minimum ____ sphere.
a. 3’’
b. 3 1/2’’
c. 4’’
d. 6’’
a. 3’’
[IRC R308.4.1 (Exception-1]
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]
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]
The function of a vapor barrier is to protect the building from moisture damage. As well as designed to protect it from moisture due to vapor diffusion, not air movement. (TRUE/FALSE)
TRUE
[Principles of Home Inspection, Systems & Standards, 3rd ed., pg. 378]
Insulation materials, including facings, such as vapor retarders and vapor-permeable membranes installed within floor/ceiling assemblies, roof/ceiling assemblies, wall assemblies, crawl spaces & attics shall have a flame spread index not to exceed ___ with an accompanying smoke-developed index not to exceed ___ when tested in accordance with ASTM E-84 or UL 723.
a. 25, 200
b. 50, 450
c. 25, 450
d. 50, 200
c. 25, 450
[IRC R302.10.1]
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]
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]
Access doors from conditioned spaces to unconditioned spaces (e.g., attics and crawl spaces) shall be weatherstripped and insulated to a level equivalent to the insulation on the surrounding surfaces. (TRUE/FALSE)
TRUE
[IRC N1102.2.4]
As an alternative to insulating floors over crawl spaces, crawl space walls shall be permitted to be insulated when the crawl space is NOT vented to the outside. (TRUE/FALSE)
TRUE
Insulation shall be required on the horizontal portion of the foundation that supports a masonry veneer.
FALSE
Which of the following is considered a HIGH-EFFICACY LAMPS.
a. 60 lumens per watt for lamps over 40 watts
b. 50 lumens per watt for lamps over 15 watts to 40 watts
c. 40 lumens per watt for lamps 15 watts or less
d. ALL OF THE ABOVE
d. ALL OF THE ABOVE
[IRC N1101.9 Defined Terms]
Lighting equipment powered through a transformer such as a cable conductor, a rail conductor and track lighting is considered LOW-VOLTAGE LIGHTING.
(TRUE/FALSE)
TRUE
[IRC N1101.9 Defined Terms]
The inverse of the time rate of heat flow through a body from one of its bounding surfaces to the other surface for a unit temperature difference between the two surfaces, under steady state conditions, per unit area is considered.
a. R-Value
b. Thermal Resistance
c. U-Value
d. BOTH A&B
d. BOTH A&B (a. R-Value, b. Thermal Resistance)
[IRC N1101.9 Defined Terms]
Escape & rescue openings shall have a maximum sill height of _____ above the floor.
a. 40’’
b. 42’’
c. 44’’
d. 48’’
c. 44’’
[IRC R310.1]
Escape & rescue openings, when considered as GRADE floor openings shall have a minimum net clear opening of _____.
a. 4.0 sq ft
b. 4.4 sq ft
c. 5.0 sq ft
d. 5.7 sq ft
c. 5.0 sq ft
[IRC R310.1.1 (Exception)]