1
Q
What form of underlayment is required when applying asphalt shingles on a slope less than 4:12?
A
- Two layers of #15 LB. asphalt saturated felt
The underlayment type is crucial for ensuring proper installation and performance of the roofing system.
2
Q
What is radiant barrier sheathing?
A
- A solid panel sheathing with a reflective component on both sides
- Solid panel sheathing with a reflective component on one side
- A low emissivity product used to reduce energy loss
- All of the above**
Radiant barrier sheathing helps in reducing energy loss by reflecting radiant heat.
3
Q
What is a structural member or beam supported on only one end that projects out from a wall or other structure?
A
Cantilever
Cantilevers are commonly used in various architectural designs.
4
Q
Where do you measure to know the exposure of roof shingles?
A
Lower edge of overlapping shingles to the upper edge of the unit in the second course below
Accurate measurement is essential for proper shingle installation.
5
Q
Oriented strand board (OSB) sheathing on a roof deck at 3:12 pitch or greater should have a minimum OSB thickness of ______.
A
5/8 inch
This thickness is specified to ensure structural integrity.
6
Q
Proper installation of roof pipe and vent penetration base flashing should consist of:
A
- Weave shingles under the lower end of the base flashing and over the upper portion of the base flashing
Correct installation prevents leaks and water damage.
7
Q
What does the left number mean on a 32/16, APA-rated plywood panel?
A
Maximum on center spacing of supports for use in roofing
This number is critical for ensuring proper support and load distribution.
8
Q
When nailing a continuous header to the studs, best practice is to use:
A
- 4X10d nails
Proper nailing ensures structural stability.
9
Q
What does the right number mean on a 32/16, APA-rated plywood panel?
A
Maximum on center spacing of supports for use in subflooring
This number indicates the spacing requirements for subfloor applications.
10
Q
Before attaching sheathing to a framed wall construction you should:
A
Ensure that the wall is true, square and braced
Proper preparation is essential for structural integrity.
11
Q
What is the maximum spacing of 2 x 4 inch studs on a 1 story house?
A
24” o.c.
While 24” o.c. is permitted, 16” o.c. is standard for most 1 story houses.
12
Q
When constructing decks with a beam and joist design, splicing the beam is permitted under which conditions?
A
- If the splice is positioned over a post
Proper splicing ensures structural integrity.
13
Q
Studs are always doubled:
A
for any door opening
Doubling studs provides additional support in critical areas.
14
Q
What type of roof is displayed in the figure with both hip and valley features?
A
Hip & Valley roof
This design is common in various architectural styles.
15
Q
When installing asphalt shingles on a residential roof, what is the standard nail spacing along the perimeter?
A
6 inches
This spacing is required in areas more exposed to wind uplift.
16
Q
Engineered floor trusses and I-Joists should:
A
- Not be notched
Proper handling and installation are crucial for performance.
17
Q
A metal roof panel requiring a solid or closely spaced substrate is called:
A
Architecural metal roof panel
This type of panel is designed for specific structural requirements.
18
Q
Toenailing is an important technique in framing. Best results are achieved when:
A
Using framing nails, entering top piece at a height equivalent to 1/3 the height of the nail.
Proper toenailing enhances joint strength.
19
Q
What is the frame member identified by the arrow in the figure called?
A
Valley-Jack rafter
Valley-jack rafters are crucial in roof framing.
20
Q
For drainage purposes, built-up and single-ply roof systems shall not be applied on roof slopes less than:
A
1/4:12
This slope is necessary to ensure proper drainage.
21
Q
Standard interlayment used for wood shake roof systems over 4:12 pitch consists of:
A
- # 30 LB. asphalt impregnated organic felt
These materials are essential for the performance of wood shake roofs.
22
Q
When are studs doubled?
A
- In load bearing walls with holes exceeding 40% of the stud depth
Doubling studs is necessary for structural integrity in certain conditions.
23
Q
When attaching boards to a deck it is important to:
A
- Space boards at least 1/8th inch
Proper installation techniques ensure durability.
24
Q
When wood shingles are placed over wood spaced sheathing, the sheathing shall be:
A
Not less than 1” x 4” nominal dimension and spaced on centers, equal to shingle exposure
Proper spacing ensures effective fastening of shingles.
25
Floor trusses are often engineered to the required job specifications. This means:
Installation should be in the correct sequence and orientation
## Footnote
Following specifications is critical for performance.
26
When two opposing roof slopes descend or merge at a horizontal trough within the roof deck, a ___________ is formed.
Hog-valley
## Footnote
Hog valleys are designed to manage water runoff effectively.
27
What is the **minimum plywood thickness** that is used for structural panel wall sheathing?
3/8"
## Footnote
This thickness is specified in building codes for structural integrity.
28
What is the purpose of a **step flashing**?
To shed water away from the structure at roof to wall transitions
## Footnote
Step flashing is essential for preventing water intrusion.
29
What is used to fasten a **double top plate splice**?
Eight 16d nails
## Footnote
Proper fastening ensures structural stability.
30
A metal roof panel which can be installed over 'spaced' or open frame sheathing is called:
Structural metal roof panel
## Footnote
This type of panel is designed for specific installation conditions.
31
Sheathing comprised of multiple wood strand layers, glued, aligned perpendicular to each other and compressed together is a definition of ____________.
Oriented Strand Board
## Footnote
OSB is a common alternative to plywood sheathing.
32
What are the **advantages** of a glulam beam?
* They comply with building code
## Footnote
Glulam beams are widely used in construction for their benefits.
33
What type of roof is displayed in Figure #1? (simple triangular peaked roof)
Gable roof
## Footnote
Gable roofs are one of the most common roof types.
34
Ends of **deck joists** require some form of lateral resistance to prevent rotation. Where lateral restraint is provided by rim joists, they shall be secured to the end of each joist with not fewer than:
Three 10d nails or three #10 screws
## Footnote
Proper fastening is critical for structural integrity.
35
For U-shaped kitchens, what is the **minimum clearance requirement** between all opposing base cabinets, counter tops, appliances, or walls?
60 inches
## Footnote
Adequate clearance is necessary for functionality and safety.
36
Double top plates are best nailed together with:
* 16d 16" o.c.
## Footnote
Proper nailing ensures structural stability.
37
What type of **corner** is detailed? (diagram showing 2x6 end studs with OSB sheathing on both walls meeting at corner, with gypsum backer)
California corner
## Footnote
This type of corner is designed for energy efficiency.
38
When framing walls, **blocking** may be required. What is the minimum requirement for 'fire-blocking'?
Vertically at the ceiling and floors and horizontally at intervals not exceeding 10 feet
## Footnote
Fire-blocking is crucial for safety.
39
Which statement best describes an **interlocking clay or concrete roof tile system**?
Individual tiles mechanically engage adjacent tiles through side and head laps to create a continuous water-shedding roof covering
## Footnote
This design enhances water resistance.
40
What is the most accurate way to measure the **squareness** of a rough opening?
Measure the diagonals at corners
## Footnote
Accurate measurements are essential for proper installation.
41
When can **floor joists** spaced more than 16" o.c. rest on a wall with studs at 24" o.c.?
Joists must not be more than 5 inches from a supporting stud
## Footnote
This requirement ensures proper load distribution.
42
What is the **maximum spacing** of 3 x 4 inch studs on a 2 story house?
24" o.c.
## Footnote
This spacing is standard for structural integrity.
43
Graded lumber is stamped with information about the lumber. What is included?
* Moisture content
* Grade
* Species
* All of the above
## Footnote
This information is crucial for quality control.
44
What is the correct sequence for installing a **vapor barrier** to a shear panel?
* Shear panel, barrier, siding
## Footnote
Proper installation sequence is essential for effectiveness.
45
'**Mod-bit**' and 'torch down' are both common roofing terms for:
Modified Bitumen
## Footnote
Modified bitumen is widely used for low slope roofing.
46
A solid plywood roof deck at 3/12 pitch or greater, receiving asphalt shingles and having rafters laid out 24 inches on center, should have a minimum plywood sheathing thickness of ______.
5/8 inch
## Footnote
This thickness is specified for structural integrity.
47
A solid plywood roof deck at 3/12 pitch or greater should have a minimum plywood sheathing thickness of ______.
5/8 inch
## Footnote
This conforms to Table R803.1 of the California Residential Code.
48
When should the **bolts for hold-downs** be retightened in a new build?
Before putting up drywall
## Footnote
It is good practice to retighten the bolts per manufacturer specification before the drywall phase.
49
What is the **minimum headroom requirement** when accessing an attic?
30 inches
## Footnote
California Building Code 1208.2 states clear headroom of not less than 30 inches shall be provided.
50
What is the **maximum spacing** of 2 x 6 inch studs on a load bearing wall for a 2 story house?
24" o.c.
## Footnote
This spacing is standard for load-bearing walls.
51
What is the name of the feature outlined by the circle in the figure (pointed triangular roof extension at gable end)?
Prow
## Footnote
A prow is a common architectural feature used to enhance the roof line.
52
What is the **maximum height** for a laterally unsupported 2 x 4 inch nonbearing wall stud?
14 feet
## Footnote
According to the California Building Code, this is the maximum height for 2 x 4 and 3 x 4 inch studs.
53
TPO, PVC and EPDM are all classified as:
Single-ply membranes
Low slope roofing systems
Class A fire rated
## Footnote
These materials are commonly used in low slope roofing systems.
54
In some cases, nail performance can be improved by driving it at an angle. This can:
* Improve withdrawal resistance
## Footnote
Driving nails at an angle enhances their holding power.
55
Wood structural paneling would normally be nailed with:
* 8d nails at 6" o.c. at edges and 12" o.c. in the field
## Footnote
These are standard nailing patterns for structural paneling.
56
If the size of the hole bored through studs is more than 40% of the depth of the stud, then:
It is allowed if the studs are doubled and the hole is less than 60% of the width
## Footnote
This is to maintain structural integrity.
57
What is the name of the roof type displayed in Figure #12 (asymmetrical repeating peaks with vertical faces)?
Saw tooth roof
## Footnote
This design is popular for its passive solar attributes.
58
When sheathing a roof with rafters laid out at 48 inches on center, the minimum required thickness of the lumber sheathing is ________ tongue and groove.
1-1/2 inch
## Footnote
This thickness is necessary for structural integrity.
59
When applying sheathing horizontally, what should be done?
* Corners should be offset
* There should be a small gap between sheets
* The edges of sheets should be slightly set back from wall corners
## Footnote
These practices ensure proper installation and structural performance.
60
What is the best way to anchor a wooden 4x4 post to a cured concrete pillar or slab?
Using a metal standoff post base connector secured with concrete anchor bolts
## Footnote
This method provides a strong, mechanical anchor and prevents moisture contact.
61
Allowable spans for deck beams can be found in commonly available charts. What would normally be an allowable overhang?
1/4 of allowable span
## Footnote
This is a standard guideline for deck construction.
62
In crawlspace, if the floor is built out of non-pressure treated wood, how high is the floor joist from the soil?
18 inches
## Footnote
This is a requirement to prevent moisture damage.
63
When supported by cold steel framed walls, how should cold steel floor framing be installed?
In-line with load-bearing studs
## Footnote
This ensures proper load distribution.
64
Grade designations indicate the recommended use of lumber. Which grade would you choose for building trusses?
Structural light framing No: 1
## Footnote
This grade is suitable for truss construction.
65
What is the name of the framing member identified by the arrow in the figure (horizontal board at top of gable end wall)?
Fascia
## Footnote
Fascia boards are used to cover the ends of rafters.
66
What is the frame member identified by the arrow in the figure called (member perpendicular to common rafters supporting the barge rafter)?
Out rigger
## Footnote
Out riggers are installed to support the barge rafter.
67
What is an **architectural shingle**?
An asphalt strip shingle laminated with additional asphalt composition components to create a heavier dimensional appearance
## Footnote
Architectural shingles are designed for aesthetic depth.
68
A non-pressure-treated girder must be installed how many inches above the exposed ground?
12 inches
## Footnote
This is per California Residential Code (CRC 2022), Section R317.1.
69
What are the notching and/or drilling requirements for timber beams?
Holes should be at least 2 inches from edge of beam and not more than 1/3 of beam height in diameter
## Footnote
These guidelines ensure structural integrity.
70
When determining the rough opening dimensions for a residential window, what is a commonly accepted general practice for adding clearance to the actual window frame dimensions?
Add 1/2 inch to both the width and height of the window frame
## Footnote
This provides clearance for plumbing, leveling, and shimming.
71
What is a **'Built-up Roof' aka BUR**?
Multi-layers of roof felt laminated with asphalt bitumen
## Footnote
This roofing method is commonly used for low slope roofs.
72
In geographical areas designated as a **'high wind zone'**, what must be used at ridge, eave and gable overhang locations?
8 penny ring shanked nails
## Footnote
This is a requirement to ensure structural integrity in high wind areas.
73
Abbreviations such as '6W4' on shear wall specs mean:
OSB with edge nailing 4" o.c. and field 6" o.c.
## Footnote
This indicates specific nailing patterns for shear walls.
74
In general, nails provide stronger joints when driven into the _____ of wood.
Side grain
## Footnote
This orientation maximizes holding power.
75
Graded lumber is marked with an indication of moisture content; which is the driest designation?
MC-15
## Footnote
K-D stands for kiln-dried, indicating moisture content is reduced.
76
What is installed between the sill plate and the foundation?
Sill sealer
## Footnote
This component acts as a gasket to prevent moisture intrusion.
77
When nailing sheathing to framed walls, if the studs are spaced further apart, then the nailing pattern will be:
The distance between nails will need to be proportionally closer
## Footnote
This ensures adequate fastening for structural integrity.
78
To minimize breakage when walking on a tile roof, one should:
Limit foot traffic to the bottom 3 inches of the tile
Use extreme caution
Orient their feet parallel to the ridge
## Footnote
This area has continuous support to the roof deck.
79
When framing interior walls in new construction, if the wood interior corner channel is not installed, what is the proper method to ensure the drywall can be securely fastened?
Install additional wood blocking to provide drywall backing
## Footnote
This ensures the drywall can be securely fastened.
80
Built-up roofing is commonly referred to as:
Hot mop
Cap sheet
Tar and gravel roofing
## Footnote
This term describes the traditional method of built-up roofing.
81
What is the **maximum height** for a laterally unsupported 2 x 4 inch bearing wall stud?
10 feet
## Footnote
This is according to the California Building Code.
82
What is a **contouring pipe flashing**?
A malleable base flashing, such as lead or soft aluminum, used to form over the surface of medium to high profile tile
## Footnote
This type of flashing accommodates roof penetrations.
83
Tile roofing may be applied on roof slopes that are:
2-1/2:12 or greater
## Footnote
This slope is necessary for proper drainage.
84
If a deck has no point of attachment to the main building, what must be done?
Ensure the deck is self-supporting
## Footnote
This is a requirement for structural safety.
85
Connection between a rafter and a double top-plate requires:
16d box nails, or 10d common or box nails
## Footnote
This is the standard fastening method.
86
Why is **1/8" space** left between boards on a deck?
Expansion joint
## Footnote
This space allows for wood expansion and contraction.
87
I-Joists can add to the final cost of a project but have the advantage of:
* Longer spans
## Footnote
These benefits make I-Joists a popular choice in construction.
88
What type of roof is displayed in Figure #3 (all four sides slope to a point/ridge, no gable ends)?
Hip roof
## Footnote
This design is characterized by slopes on all sides.
89
What tool is used to cut a **2-inch diameter hole** into lumber?
Hole saw
## Footnote
This tool is specifically designed for making circular cuts.
90
When framing for stairs, what is the **minimum height clearance** for stairs to ceiling?
80 inches
## Footnote
This height ensures safe passage.
91
What are the **three stucco coats** that are applied over a properly prepared wooden surface and lath?
* Scratch coat
* Brown coat
* Finish coat
## Footnote
This sequence is essential for proper stucco application.
92
Fire-blocking from 2x material will provide how much **fire protection**?
1 hour
## Footnote
This is a standard fire protection measure.
93
After fabricating a beam for use on a deck from 2x material, boards should be connected with:
* Threaded 8d nails or #8 screws
## Footnote
These fasteners ensure structural integrity.
94
According to the California Residential Code, what is the **minimum grade lumber** that you may use for studs?
No. 3
## Footnote
This grade meets the structural requirements for studs.
95
What is the minimum number of **8d threaded nails** or **No. 8 wood screws** required to attach wood decking to each supporting member?
* 2 8d threaded nails
* 2 No. 8 wood screws
## Footnote
Wood decking must be securely fastened to ensure structural integrity.
96
According to the California Residential Code, what is the minimum grade lumber that you may use for **studs**?
No. 3
## Footnote
R602.2 of the California Residential Code specifies the grade requirements for studs.
97
Where else might you need to install **hold-downs** besides into the foundation or pad?
* Between floors
## Footnote
Hold-downs are critical for structural stability in various locations.
98
A roof frame component that is pre-fabricated and load-bearing is called an _________.
Engineered roof truss
## Footnote
Engineered roof trusses are designed for specific load requirements.
99
What are **bracing lines**?
* Imaginary lines across a building used to line up structural bracing elements
## Footnote
Bracing lines help ensure structural integrity and alignment.
100
What tool is used to successfully cut **perpendicular to the grain**?
Miter saw
## Footnote
A miter saw is ideal for crosscutting wood.
101
What is **single-ply**?
A membrane roofing system that uses polymer-based synthetic material in flexible sheet or liquid form as an alternative to traditional built-up roofing
## Footnote
Single-ply roofing systems are popular for their ease of installation and durability.
102
What is the usual spacing for **cripples**?
* Same as studs
## Footnote
Cripples provide support above and below openings in framed walls.
103
Forces that cause the metal roof panels to move down slope are called **drag load**.
Drag Load
## Footnote
Drag load is influenced by factors like snow load and gravity.
104
For best performance, nails need to penetrate into the base material by _______.
2/3 of base piece
## Footnote
Proper nail penetration is crucial for structural integrity.
105
What is the minimum clearance required between opposing base cabinets in a **pass through kitchen**?
40 inches
## Footnote
Adequate clearance is essential for functionality and safety in kitchen design.
106
Drilling I-joists for utilities should follow suppliers specifications and: _______.
More than one hole is allowed if they are separated by a distance of more than twice the diameter of the largest hole
## Footnote
Adhering to specifications prevents structural issues.
107
When building a deck using a ledger board, the ledger board will need to be: _______.
* At least as deep as the joists
## Footnote
Proper installation of the ledger board is critical for deck stability.
108
Name the framing member identified by the arrow in Figure #2 framing plan (short rafter running from hip rafter toward eave).
Hip-Jack rafter
## Footnote
Understanding framing components is essential for accurate construction.
109
What roof type is identified by the arrow in figure #4 (small roof structure projecting from main roof)?
Dormer roof
## Footnote
Dormers provide additional space and light in upper levels.
110
What does a **weep screed** do?
Designed to evacuate water from a stucco wall
## Footnote
Weep screeds help prevent water damage in stucco applications.
111
What is the actual size of a **2" x 4" stud**?
1 1/2" x 3 1/2"
## Footnote
Actual dimensions differ from nominal sizes in lumber.
112
A cripple wall is considered a story when the stud height exceeds _______.
14 inches
## Footnote
Proper classification of walls is important for structural requirements.
113
When framing floor projections beyond the supporting wall, the cantilevering floor joists should not extend more than _______.
2 feet
## Footnote
Adhering to extension limits ensures structural safety.
114
How much clearance is needed between the ground and **wood siding**?
6 inches
## Footnote
This clearance helps prevent moisture damage to the siding.
115
Why do you need to **double-up** on a top plate?
* Interrupt ceiling membrane for fire-resistance
## Footnote
Doubling up on top plates enhances structural integrity.
116
For exterior shear panels, a nail is fastened _____ inch from the edge.
3/4
## Footnote
Proper fastening is crucial for shear panel effectiveness.
117
When building a deck, blocking between joists is required if joists are _______.
Blocking is required at the beginning of any overhang
## Footnote
Blocking enhances the structural integrity of the deck.
118
Per every 150 square foot of enclosed roof cavity, ________ of ventilation surface must be provided.
1 square foot
## Footnote
Adequate ventilation is essential for roof longevity.
119
What type of equipment is used to cut **nails**?
Sawzall
## Footnote
A Sawzall, or reciprocating saw, is effective for cutting nails.
120
What is the maximum spacing of **2 x 4 inch studs** on a nonbearing wall for a 2 story house?
16" o.c.
## Footnote
Proper spacing is crucial for structural support.
121
What is the name of the roof type displayed in the figure (single sloping surface)?
Shed roof
## Footnote
Shed roofs are commonly used for their simplicity and effectiveness.
