CSLB B trade

if the rafter size is 2" x 6", the size of the ridge beam should be: A. 2" x 8" B. 4" x 8" C. 2" x 6" D. 4" x 4"

A. 2" X 8"

Rectangular or square solid wood columns should be at LEAST A. 2-inches x 12-inches B. 6-inches x 6-inches C. 4-inches x 8-inches D. 5-inches x 8-inches

B. Wood columns should be at LEAST 6-inches x 6-inches.

What is the MINIMUM size for anchor bolts? A. 1/4" B. 1/2" C. 3/4" D. 1"

B. 1/2"

What is the MINIMUM depth for a one-story foundation? A. 8" B. 12" C. 18" D. 24"

B. 12"

What is the proper term for a floor that extends beyond the lower portion of the house? A. cornice B. cantilever C. deck D. balcony

B. cantilever

All fasteners and hardware (except J-bolts) that come into contact with pressure-treated wood shall be _ or heavy hot-dipped galvanized. A. chromium steel B. stainless steel C. cold-rolled steel D. hot-rolled steel

B. stainless steel

Door trimmers shall be nailed with 3 sets of 2 nails at the: A. top B. top & bottom C. top, center, and bottom D. None of the above

C. Top, center, and bottom.

The webs of a truss: A. are compression members B. are tension members C. may be in compression or tension D. have no load on them

C. Webs may be in compression or tension.

When should you trowel concrete? A. when just poured B. 1 hour after pouring C. when concrete becomes firm, several hours after pour D. after 24 hours

C. You should trowel concrete several hours after pour when concrete becomes firm.

Which tool do you use to check if a wall is vertical or plumb? A. straight edge B. carpenter's level C. plumb bob D. All of the above

D. All of the above.

What tools are used for hanging.a door? A. router B. chisel C. square D. All of the above

D. All of the above. Also a hammer, ruler, saw, file, drill, screwdriver, & measuring tape.

All of the following perform essentially the same function as a knee wall EXCEPT: A. purlins B. struts C. strongbacks D. birds' mouths

D. Birds' mouths are notches not structural members.

Collar ties are installed in roof framing to: A. prevent purlin sag B. provide lateral support for the top of the walls C. support the end walls of gable roofs D. prevent rafters from sagging

D. Collar ties prevent rafters from sagging

The function of columns is MOST like: A. beams B. studs C. rafters D. piers

D. Columns are MOST like piers.

Chimney chases shall be framed on_ side(s). A. one B. two C. three D. four

D. Four

How many cubic yards of cement are required for a circle 4in thick, with a circumference of 10ft? A. 1/10 yd3 B. 1/5 yd3 C. 1/2 yd3 D. 1 yd3

A. 1/10 yd3 Volume = area x thickness Area of a circle = pr2 r = circumference + 2p r = 10 + 2p p=3.14 r= 10 + 6.28 =1.59 ft Area of a circle = pr2 Area:::: p (1.59)2 == 3.14 x 1.59 x 1.59 Area== 7.94 Volume = area x thickness 4" + 12" per foot == 0.33333' Volume== 7.94 x 0.33:::: 2.62 ft3 Conver to yards 2.62 + 27 =::.097 yd3 Round to 0.10 yd or 1/10

How soon should you pour concrete after you have mixed it without additives? A. 1/2 hour B. 1 hour C. 4 hours D. 8 hours

A. 1/2 hour. You should begin placing concrete within 30 minutes of mixing, and it MUST be placed within 90 minutes to prevent the concrete from becoming too stiff and difficult to place and finish.

Treads and risers within any one run of stairs shall not have a variation in dimension in excess of _-inch. A. 3/8 B. 5/16 C. 1/4 D. 1/8

A. 3/8

Exposed beams or posts shall not have splits or checks that EXCEED _____ inch in width. A. 5/8 B. 1/2 C. 1/4 D. 1/8

A. 5/8 inch max is standard.

What is an HD5 used for in residential construction? A. a hold-down used in wall framing B. a shim used in door framing C. a hanger used in ceiling framing D. a spray lubricant

A. A hold-down used in wall framing. Hold-downs are used to transfer tension loads and keep framing in place during events such as earthquakes.

What is a purlin used for? A. to support the rafters B. to flatten the roof C. to reduce the number of joints needed D. to level the ridge beam

A. A purlin is used to support the rafters.

Where would you use a reglet and counterflashing together? A. at the intersection of a parapet wall and the roof B. at the edge of the eaves line C. between the shingles D. on the ridge of the roof

A. At the intersection of a parapet wall and the roof. A reglet is a slot or groove that receives flashing.

What is the BEST tool for measuring odd angles in an existing structure? A. bevel square B. torpedo C. T-square D. protractor

A. Bevel square.

Offset walls supporting floor loads above: A. can cause a floor to sag near the wall B. are not permitted C. cannot be offset by more than three feet D. are unlimited in location as long as they are perpendicular to the joists below

A. Can cause a floor to sag near the wall. Offset load-bearing walls may result in a floor sagging near the wall because the load is not transferred directly to the bearing wall or beam below.

For a custom-cut roof structure, how much greater than the cut end of a rafter does the ridge width need to be? A. O" B. 1/2" C. 2" D. 3"

A. O" The words "custom cut" are not relevant. Any non-truss roof having a slope has rafters that are cut at an angle. The ridge board MUST not be less than the width of these cut ends of the rafters. It does NOT have to be wider.

For a custom cut roof structure, how much greater than the cut ends of a rafter does the ridge width need to be? A. O" B. 1/2" C. 2" D. 3"

A. O". Any non-truss roof having a slope has rafters that are cut at an angle. The ridge board MUST not be less than the width of these cut ends of the rafters.

In which direction do hip jack rafters run? A. parallel to common rafters B. perpendicular to the ridge board C. perpendicular to common rafters D. perpendicular to queen post

A. Parallel to common rafters. Hip jack rafters run from the wall to the hip rafter. Common rafters run from the wall to the ridge board. There may be some hip jack rafters that are perpendicular to some common rafters, but they will be in different roof planes. There will always be hip jack rafters lying in the same plane and parallel to common rafters which makes "A" the BEST choice.

All of the following statements are true of ridge-boards EXCEPT: A. Ridge-boards are only used on roofs with a siope of 2-in-12 or less. B. Ridge-boards are typically a nominal one-inch board. C. Ridge-boards are usually one size larger than the rafters. D. If there is a ridge-board, some authorities may allow opposing rafters to be offset by their width.

A. Ridge-boards are only used on roofs with a slope of 2-in-12 or less. Ridge-boards should not be used below a slope of 4-in-12.

In determining the size of rafters, what are the factors that MUST be considered? A. span, spacing, live load, dead load B. type of sheathing, span, spacing C. span, length, type of material D. span, live load, type of sheathing

A. Span, spacing, live load, dead load. The length of the rafters may also be a factor. The type ofsheathing or other material is NOT specific enough to determine the size of rafters.

Who decides if 3,000 psi strength concrete is fit to pour? A. structural engineer B. supplier C. concrete contractor D. building inspector

A. Structural engineer. psi = pounds per square inch

Wood framing members: A. should not contact concrete that is below grade B. should not contact concrete directly C. should not contact masonry directly D. should not contact steel directly

A. Wood framing members should not contact concrete that is below grade.

What tool do you normally use for striking joints? A. haulk B. trowel C. jointer or jointing tool D. stiff brush

B. A trowel is normally used for striking joints.

Collar ties are: A. always loaded in compression B. always loaded in tension C. potentially in compression or tension but are most often in tension D. potentially in compression or tension but are most often in compression

B. Always loaded in tension.

Condensation in northern climates forms in walls: A. on their warmest surfaces only B. as a result of indoor air leaking into the walls C. as a result of outdoor air leaking into the walls D. which prevents rot by keeping all of the wood at the same moisture content

B. Condensation usually results from indoor air leaking into the walls.

What is another term for a beam? A. span B. girder C. joist D. header

B. Girder is another name for a beam.

Which statement is true? A. Increasing the insulation makes the attic warmer. B. If the attic is cold, then warm, moist air leaking into the attic from the house will condense more quickly. C. If you increase the insulation level in a roof, you should decrease the ventilation. D. The insulation and ventilation cannot affect the structure of the roof.

B. If the attic is cold, then warm, moist air leaking into the attic from the house will condense more quickly.

Fascia gaps between wood trim and stucco shall not exceed·-- inch or warp more than _ inch away from the face of the building. A. 1/6 ... 1/8 B. 1/8 ... 1/8 C. 1/4 ... 1/4 D. 1/4 ... 1/8

C. 1/4 ... 1/4

Sub-floors shall not have ridges or depressions that are more than _-inch in a 32-inch x 32-inch area. A. 1/16 B. 1/8 C. 1/4 D. 5/16

C. 1/4"

Plates shall break no less than ____inches from channels, corners, or any other discontinuity in walls. A. 6 B. 8 C. 12 D. 16

C. 12 inches is standard.

Cut fascia to proper overhang length with plumb or square cut. Use _ to _ lengths in high exposure areas. A. 12 feet ... 16 feet B. 14 feet ... 18 feet C. 16 feet ... 20 feet D. 18 feet ... 24 feet

C. 16 feet ... 20 feet

Connect all floor joist boards lapped over one another with at LEAST four ______ nails. A. 10d B. 12d C. 16d D. 20d

C. 16d = 3½" length

Do not use framing lumber with a moisture content that EXCEEDS __ %. A. 10 B. 15 C. 19 D. 24

C. 19% Multi-story construction more than two stories requires drier framing material - check the Code.

Roof sheathing shall have a MAXIMUM deviation from a plane of __ inch up or down per 2 feet of length. A. 1/8 B. 1/4 C. 3/8 D. 7/16

C. 3/8 inch MAXIMUM deviation from a plane up or down is standard in trades.

All of the following are styles of roofs EXCEPT: A. shed roof B. hip roof C. garage roof D. butterfly roof

C. A garage roof is not a style of roof.

Where is a fire damper needed? A. between floors B. near an electrical box C. between firewalls D. in the attic

C. Between firewalls.

Brick ties are: A. usually aluminum B. visible C. fastened to studs D. fastened to sheathing

C. Brick ties should be fastened to studs.

Common column materials include all of these EXCEPT: A. steel B. concrete C. plywood D. masonry

C. Columns are NOT typically made of plywood

Columns built into exterior walls are called: A. studs B. piers C. pilasters D. concealed posts

C. Columns built into walls are called pilasters.

51. What is typically installed under the frame of the door? A. sill B. threshold C. flashing D. None of the above

C. Flashing. The sill is the bottom part of that door frame, and the threshold sits on top of the sill. Most construction requires flashing under the door and window sills.

When it comes to resisting wind loads, wood frame walls can be thought as: A. beams on their sides B. columns laying flat C. floors installed on their sides D. collar ties on their ends

C. Floors installed on their sides. Wood frame walls can be thought of as floors on their sides with respect to wind loads. The wind load feels the same to a wall as people standing on a floor.

H-clips are used for: A. attaching rafters to ceiling joists B. attaching members of trusses together C. providing edge support for roof sheathing D. splicing rafters

C. H-clips are used to provide edge support for roof sheathing.

To determine if a wall is plumb, use a: A. leveling rod and transit B. builder's level C. level and straight edge D. framing square

C. Level and straight edge. A wall is plumbwhen it is perfectly vertical. You can use either a plumb bob or a level and straight edge.

Shear plywood is to be_ to steel studs. A. glued B. nailed C. screwed D. bolted

C. Screwed

A vapor barrier might not be needed between wood and concrete: A. if the concrete is older than one year B. with a moisture-proof sealer on the wood C. A and B D. neither A nor B, it will always be needed

C. A and B

What is the correct procedure when drilling concrete? A. use steady, medium pressure B. periodically pull back to let dust escape C. A&B D. concrete should never be drillled

C. A&B

Stair hold carriages and tread ends at sides of stairs_-inch away from walls to allow for drywall installation. A. 1/8 B. 1/4 C. 1/2 D. 5/8

D. 5/8"

Use __ nails on all plate breaks. A. 2 B. 3 C. 4 D. 6

D. 6 nails.

58. If you have a bowed rafter or joist, which way do you turn the bow? A. toward the top of the rafter or joist B. toward the bottom of the rafter or joist C. toward the side of the rafter or joist D. a bowed piece of lumber should not be used

A. T award the top of the rafter or joist. The crown is placed facing up so that the floor or roof loads straighten the lumber.

In order to find out what grade of lumber would be required for a specific set of plans, who would you consult? A. an architect B. International Building Code (IBC) building inspector C. the local building department D. the owner

A. The architect specifies the grade and species of !umber required on the plans. The architect would consult the International Building Code (IBC)

Which of the following is MOST critical when mixing concrete? A. water-to-cement ratio B. water-to-sand ratio C. sand-to-gravel ratio D. water-to-gravel ratio

A. Water-to-cement ratio. Too much water will weaken the concrete and too little will make the concrete too stiff to be worked easily.

Grade beams intended to intersect at right angles shall be square to each other within _ inch in 20 diagonal feet. A. 1 B. 1-1/8 C. 1-1/4 D. 1-1/2

A. 1" Measure for square using the "3, 4, 5 triangle method"

Nail all double floor joists _ inches o.c., staggered. A. 12 B. 14 C. 16 D. 24

C. 16

40. Ceilings should not have ridges or depressions larger than 1/4 inch in a 32-inch x 32-inch area. No point on the surface should be more than __ -inch higher or lower than any other point on the same surface within 20 feet. A. 1/8 B. 1/4 C. 1/2 D. 1

D 1 inch higher or lower than any other point on the same surface within 20 feet.

Sub-floors shall not have any point that is _-inch higher or lower than any other point on the same surface within 20 feet in any direction. A. 1/16 B. 1/8 C. 1/4 D. 1/2

D. 1/2"

Fascias shall not bow out of plane by more than __ inch inward or outward. A. 1/16 B. 1/8 C. 3/16 D. 1/4

D. 1/4"

Individual studs shall not bow in or out more than __ -inch in a 32-inch measurement, either horizontal or vertical. A. 1/16 B. 1/8 C. 3/16 D. 1/4

D. 1/4"

Beams and posts shall not be twisted more than __ inch per 8 feet. A. 1/4 B. 3/16 C. 1/2 D. 3/4

D. 3/4"

13.What is the MINIMUM girder for a 12' span under a deck? A. 2" x4" B. 4"x4" C. 2"x6" D. 4"x8"

D. 4" x8". Only the 4"x 8" has enough bending strength to support the joists and deck.

A purlin is a: A. horizontal support that spans across adjacent rafters and may be above or below the principal rafters B. vertical support that spans across adjacent rafters and may be above or below the principal rafters C. horizontal or vertical support that spans across adjacent rafters and may be above or below the principal rafters D. horizontal member that ties opposite rafters together

A. A purlin is a horizontal support that spans across adjacent rafters and may be above or below the principal rafters.

What is the MINIMUM height of a kitchen ceiling? A. 7' B. 7' 6" C. 8' D. 8'6"

A. 7'

What effect does calcium chloride have on concrete? A. makes it set faster B. makes it set slower C. makes it stronger D. has no effect

A. makes it set faster

How do you normally secure a wood frame house to its foundation? A. embed the frame in the concrete foundation B. anchor the frame to the concrete foundation C. adhere the frame to the foundation D. theie is no connection between the frame and the foundation

B Anchor the frame to the concrete foundation. A wood frame is normally secured to its foundation by anchoring the frame to the concrete foundation.

MINIMUM plywood or 0SB for treads for stairs is _-inch with "A" grade on top face. A. 1-1/16 B. 1-1/8 C. 1-1/4 D. 1-1/2

B. 1-1/8"

Nail heads driven over ___ inch below the outer face of a shear panel have less shear value and are considered unacceptable. A. 1/64 B. 1/32 C. 1/16 D. 3/32

B. 1/32"

All house garage walls shall have _ braces. A. 1 B. 2 C. 3 D. 4

B. 2

Holes in floor joists shall be no more than_ inch(es) in diameter. A. 1 B. 2 C. 3 D. 4

B. 2

For the cantilevered beams, what is generally the MAXIMUM ratio of the supported to the unsupported length? A. 1:2 B. 2:1 C. 3:1 D. 6:1

B. 2:1 (two to one)

Generally, floor sheathing shall not be less than __ in width or as required by the structural engineer. A. 1 foot B. 3 feet C. 2 feet D. 4 feet

B. 3 feet Generally, the standard is 2 feet.

Shear panels width shall be a MINIMUM of_ inches wide. A. 30 B. 32 C. 34 D. 36

B. 32

What is the MINIMUM height of a bedroom ceiling? A. 7' B. 7' 6" C. 8' D. 8' 6"

B. 7' 6"

A collar beam is: A. a vertical member that ties opposite rafters together B. a horizontal member that ties opposite rafters together C. any vertical or horizontal member that ties rafters together D. a member that runs parallel to the rafters

B. A collar beam is a horizontal member that ties opposite rafters together.

A lack of firestopping in a platform framed house is MOST common: A. on exterior waits B. around chimneys and pipes C. at electrical chases D. on interior walls

B. A tack of firestopping is MOST common around chimneys and pipes.

Which of the following statements is true of knee walls and struts? A. Knee walls and struts should not bear directly on a supporting wall. B. Knee walls and struts supporting purlins sometimes bear close to, but not directly on, bearing walls. C. Where knee walls and struts supporting purlins bear directly on supporting walls, the joists should be the next size larger than they otherwise would be. D. None of the above statements are true.

B. Knee walls and struts supporting purlins sometimes bear close to, but not directly on, bearing walls.

What is a bush-hammer used for? A. install bushings on a wheel B. roughen surfaces of hardened concrete C. straighten metai sheeting D. pull objects with impact action

B. Roughen the surface of hardened concrete. It is a hardened steel tool with a serrated face or several rows of pyramid-shaped points. It is used to roughen the surface of hardened concrete to provide better bonding of fresh concrete poured over it.

Which of the following tools are you MOST likely to need when installing a hardwood floor? A. planer and hammer B. saw and hammer C. saw and nailer D. sawzall and level

B. Saw and hammer. While all of the above tools are commonly used, a saw and hammer are most common.

Lightweight concrete is BEST used at the: A. curb & gutter B. second floor decking C. first floor slab on grade D. footings

B. Second floor decking. It is costly, but very strong. It offers greatest advantage when used for upper stories because it reduces the strength requirements for the supporting framework.

55. In a built-up wood post constructed of three separate pieces of !umber, excessive loading may cause _the pieces to buckle away from each other. How can this be prevented? A. the pieces should be glued together B. the pieces should be securely nailed together C. a metal post anchor should be used D. wooden posts should never be built-up

B. The pieces should be securely nailed together.

Girts in a bearing wall are necessary if: A. there is no masonry veneer B. there is no finish on either side of the wall C. there is only drywall on one side of the wall and nothing on the other D. there is only plywood siding on one side of the wall and nothing on the other side

B. There is no finish on either side of the wall. Bearing walls need girts if there is no sheathing or drywall, for example, on either side.

39. Roof load has been completed. Check horizontal alignment of ceiling framing _ days after roof load completion for any significant deflection. A. two B. three C. four D. five

B. Three

Of the following, the BEST tool for door jamb installation is: A. T-square B. two-foot long level C. six-foot long level D. plumb bob

B. Two-foot long level,

What is the MINIMUM thickness of the footing of a 3-story building? A. 4" B. 6" C. 8" D. 10"

C 8" is the MINIMUM thickness of the footing of a 3-story building.

Frame walls shall be plumb within _-inch in a height of 8 feet and shall not bow horizontally or vertically more than _-inch in a distance of 32 inches. A. 1/8 ... 1/8 B. 1/4 ..• 1/2 C. 1/2 ... 1/2 D. 1/4 ... 1/2

C. 1/2" ... 1/2"

Sills may do all of the following EXCEPT: A. anchor the superstructure to the foundation B. provide a level surface for wall and floor joists C. provide nailing surface for floor joists D. act as the structural support for framing over basement windows

D. Act as the structural support for framing over basement windows. Sills should not be asked to carry the framing loads over basement windows.

Masonry veneer has a function similar to: A. studs B. sheathing C. buttress D. aluminum siding

D. Masonry veneer's function is similar to aluminum siding. It is not a structural member.

Concrete should be poured against: A any wood siding B. cedar or redwood siding only C. metal flashing D. metal form material

D. Metal form material. When metal forms are not used, only "Form Grade" plywood, not siding, should be used in the wood forms.

In cold climates, you cover freshly poured concrete to: A. prevent hydration B. prevent discoloration C. prevent warping D. prevent freezing

D. Prevent freezing. In order to hold in the heat, long enough for curing.

All of the following are functions of roof sheathing EXCEPT: A. carrying live loads B. providing lateral bracing for roof framing members C. providing a nailing surface for roof covering D. providing vertical support for roof framing members

D. Roof sheathing does not provide vertical support for roof framing members.

Common sill problems include all of the following EXCEPT: A. crushing B. poor anchoring C. gaps under sills D. sagging

D. Sagging. Sills don't typically sag because they are continuously supported by the foundation.

If a 2 x 8 joist has a 3-inch x 3-inch notch at the bottom where it rests on a beam: A. the beam should also be notched B. the head room is reduced below C. the beam should be steel D. the joist may have a crack that extends horizontally from the notch

D. The notched joist may have a crack that extends out horizontally from the notch.

Which of the following materials MUST be installed above the roof? A. Ufer B. ground rod C. water piping D. weatherhead

D. Weatherhead.