Test Questions Flashcards
Wall ties for veneer should be spaced no greater than:
32x24
Parapet walls must extend:
30 inches high
Reverse Board-and-Batton siding should be attached to:
Furring Strips
Which door frame must be hung before drywall is installed?
Pocket Door
Where is a roof most likely to leak?
In the valley
At what stage would the builder cut out the sill plate in a door opening?
When walls are erected and braced
What is the maximum temperate allowed from a constant source behind drywall?
125 Degrees
What type of fastener is used to attach steel studs to runners?
Pan Head
Curing in concrete continues until relative humidity drops below:
80%
What is the minimum slope on which asphalt shingles can be installed?
2:12
What is the ideal size of head and bed joints in masonry?
3/8
Why are cabinets scribed to the wall?
To make cabinets flush and eliminate gaps
What isn’t required when submitting shop drawings for fire protection systems?
Name of monitoring company with contact info
When installing un-faced batt insulation, how is it secured?
Pressure fit
Un-faced insulation installed in wall cavities will do all except:
Act as a vapor barrier
10ft planks used on scaffolding should not extend over edges of support more than:
12 inches
Which of the following can be used as backfill outside a foundation w/o being compacted?
Controlled Low Strength Material (CLSM)
Underlayment for clay roof tile shall comply with:
ASTM D226
On HOUSE wrap, how far do you lap the edges and ends?
2in on edges / 6in on ends
What is the minimum screw length for attaching 1/2in gypsum board to wood studs?
1 1/8in
1/2in drywall + 5/8 penetration = 1 1/8in
When should finish flooring be installed?
Before interior trim is installed
A kind of moulding installed on the vertical wall used to accept aluminum soffit panels.
F channel
How far can you dig below the bottom edge of the safety box in a trench?
2ft
In concrete masonry, which of the following increases compressive strength?
Cement
OSHA requires 2 guards (top and bottom) on which saw?
Portable circular saw
When framing openings in floors w/header and trimmer joists, what is the maximum header joist span allowed w/a single member header?
4ft
What is the purpose of ventilating a confined space?
Eliminate hazardous atmosphere
Pressure treated lumber is required in which application?
Sill to concrete slab on grade
Windows intended for use as an emergency escape must have finished sill height not more than ____ above the finished floor.
44in
A lot shall be graded to drain surface water away from foundation walls for a minimum of:
10ft
When floor joists are supported by masonry walls, the joists shall have a minimum bearing distance on each end of:
3in
When installing vinyl siding horizontally, fasteners shouldn’t exceed:
16in horizontal / 12in vertical
What is the minimum gauge of sheet metal veneer wall ties?
22 gage
What % of a wall stud can be notched in a wood framed bearing wall in light construction?
25%
When dropping debris w/o chutes, barricades are required to be _____ from the projected edge of the opening.
42in High / 6ft Back
The minimum depth of a footing should extend:
Below the frost line
The minimum distance a ladder should extend above the roof:
36in (3ft)
Untreated wood siding should be how far from the earth?
6in
The minimum door height above and below a mezzanine floor area should be:
7ft
What does brick veneer support?
It’s own weight
The ground immediately adjacent to the foundation shall be sloped away from the building at a slope of not less than 5% for a minimum of:
10ft
According to OSHA, a trench that reaches a depth of 4ft shall be supplied w/a ladder or means of egress. The maximum lateral distance a person should travel to reach this ladder shouldn’t exceed:
25ft
How much clearance is needed between the bottom of the roof sheathing and the insulation for a cornice vent?
1in
What is the maximum notch that is allowed at the end of a joist?
1/4 of depth
How should a drip edge be installed at the eave?
Beneath the underlayment
The loss of slump concrete is usually due to:
Low water content
What is the minimum size width for metal flashing used in a valley w/asphalt shingles?
24in
What type of power tool requires specific training of operators before they are allowed to operate it?
Powder Actuated
The wood framing member that supports a header over a door is called:
Trimmer
What is the reason for bull floating a newly placed concrete slab?
Embed large aggregates, fills holes, and level concrete surface
What is the minimum height of a guardrail on a residential deck?
36in
What type of door offer best fire protection?
Solid Core
What is the horizontal span or length of a stairway called?
Total run
A bank on an excavation site has a 3:1 slope. How many inches per ft will the bank rise?
4in
3:1 = rise or drop of a 3ft length is 1ft.
For a 1ft length, the rise/drop is 12 divided by 3 = 4in.
If you’re using a mason’s line to build a wall, how far should the string be from the wall?
1/16 in (a line width)
The minimum clear height of an egress door in a dwelling is _____ in height from the top of the threshold to the bottom of the stop.
78in
What should be added to concrete to make it pump easier?
Hydrated Lime
The vapor barrier of insulation should be installed:
On the warm side of the wall
In most construction sites, water is allowed to be added to concrete as long as:
The water/cement ration isn’t exceeded
The classification of Type “X” gypsum board refers to the panels:
Fire Resistance
Weep screeds shall be a minimum of ____ corrosion resistant weep screed or plastic weep screeds
.019in
For open valleys, valley lining of two piles of mineral-surfaced rolled roofing is permitted. The bottom layer shall be ____ and the top layer a minimum of ____ wide.
18in; 36in
According to the code reinforcement bars in concrete which is cast against and permanently exposed to earth must have a minimum concrete cover of at least:
3in
What is the minimum thickness of brick for the exterior wall of a fireplace?
8in
Structural steel framing shall have a minimum flange width of:
1 5/8 in
Where does the vapor barrier go in an attic that has two layers of batt insulation?
Below the insulation
When framing a rough opening for a door using metal studs, the rough opening should be ____ wider than the door.
2 1/2 to 3 1/2 inches
An untreated wood girder beam that sets in a pocket of a concrete foundation wall that is subject to the weather shall have a minimum airspace of:
1/2in
What is the maximum vertical spacing for fire-blocking?
Floor and Ceiling
What screw size should be used to attach steel sheathing to a metal structure?
Selp-tapping #8
What is the actual size of a 2x4 dry piece of framing lumber?
1 1/2 x 3 1/2
A minimum tread run for stairways (other than spiral stairs) in single family dwellings having an occupant load of less than 10 is:
10in
When workers are required to enter a trench, shoring is required if the trench is what minimum depth?
5ft
According to code, asphalt shingles installed on a roof w/a slope of 4:12 or greater require an underlayment of:
1 layer #15 non-perforated felt
What is the definition of a confined space?
- has limited or restricted means of entry
- isn’t designed for con’t employee occuancy
- is large enough/so configured that an employee can enter and perform assigned work
How close to a plastic or canvas tarpulin can you place a portable heat source?
10ft
According to the code, an escape window in a bedroom shall have a minimum clear opening width of:
20in
When installing drywall on a ceiling you should:
stagger seams
Which type of hydrated lime is best to use w/Portland cement for mortar?
Type S
Which isn’t true about lightweight concrete?
A. Magnesium tools should be used
B. Finishing should start earlier
C. More troweling and finishing should be performed (ANSWER)
D. It’s made w/expanded aggregate
According to code, foundation plates or sills shall be anchored to the foundation w/bolts spaced not more than:
72in apart
What is the maximum mortar thickness allowed in a masonry wall besides the starter course?
3/8in
What is the minimum size screw for attaching gypsum board to steel studs?
6
In insulation, the “R” value is the:
Measure of thermal resistance
What is the correct method of building a masonry wall?
From the corners to the middle
When framing a 5ft opening in a wood joist floor for a stairwell you should:
Double header and trimmer joist
How much overlap should planks on scaffolding be that are not immovable?
12in
When should concrete curing procedures start?
As soon as possible after finishing
What is the load bearing value (PSF) of sandy gravel?
3,000 PSF
According to OSHA, ladders (or steps) are required in all trenches or ditches at ____ or more in depth for an adequate means of exit.
4ft
What is the minimum reinforcing bar requirement for a slab-on-the-ground w/turned down footings?
1 #4 reinforcing bar in top and bottom of footing
Which one of the following is a test for concrete consistency?
A. Sand Cone
B. Slump (ANSWER)
C. Compression
D. Air
All of the following roofing materials can be reused except:
A. Cement Tile
B. Metal Roofing
C. Clay Tile
D. Aggregate Materials (ANSWER)
As the temperature of the concrete mix increases, what is the effect on the concrete mix?
There is a loss in slump
Notches on the end of joists shall not exceed ____ % of the joist depth.
25% (1/4th)
The maximum depth of a notch in the top or bottom of a floor joist is ____ of the depth of the joist.
1/6
A concrete slab should be bull floated as soon as possible after:
Screeding
What is the maximum allowable spacing between fire blocking in a concealed wall?
10ft
Exterior gypsum sheathing fasteners should be spaced ____ apart.
7in
What is required of the header when framing a stairwell opening that is 5ft wide by 5ft long?
Install a double header
What is the maximum spacing of ceiling joists in a shower w/ 1/2 in water resistance gypsum board w/the tile attached using adhesive?
12in
What type of gypsum board is recommended for use as a base for an interior veneer plaster finish?
Blue Board
What type of door has stiles, rails, and raised panels?
Raised panel door
The maximum depth of a notch in the end of a floor joist is ____ of the depth of the joist.
1/4
Which of the following statements about holes bored in a 2in by 8in joist for piping or electric cables is true?
They must be placed at least 2in from the top or bottom of the joist.
When using exterior insulation board, how far below the grade must it extend?
12 in below
What screws are used to attach steel studs to the top and bottom steel track?
Pan Head Type S
How large of a hole can be drilled into a steel stud?
1 1/2 in
While trenching and excavating, OSHA requires at least ____ of clear, unobstructed distance from the trenches edges to the top on edge of the dirt or soils pile.
2ft
How often are strength tests required for concrete?
At least 1 a day per 150 cubic yards or 5,000 sqft
An exterior house wrap will do all of the following except:
A. Allow water vapor passage
B. Help keep water out
C. Help keep air out
D. Insulate the wall (ANSWER)
Three types of masonry ties are:
Rectangular, corrugated, and z
A masonry wall that shows signs of high alkalinity needs to be painted. What type of paint should be used?
Alkalyd Resistant Paint
What is the minimum footing width of a one story light-frame-construction building?
12in
In single family dwelling sleeping rooms, the minimum net clear opening width of windows, which are required for emergency egress or rescue, is:
20in
Who is responsible for maintaining safety (PPE) equipment if employees bring their own?
Employer
Floating and Troweling concrete too early in the curing process (or while the concrete is too plastic) can cause?
Excessive water brought to the surface to make the concrete weak
How should a drip edge be applied at the rake?
Over the underlayment
On graded sites, the top of any exterior foundation shall extend above the elevation of:
The street gutter at point of discharge
The “Total Run” of a stairway is:
the sum of the tread run
What is the normal lap for bevel wood siding?
1in
According to the code, the minimum allowable height of a guardrail at a restaurant deck (or any commercial building) is ____ above the finished floor height of the deck or balcony.
42in
How much clearing is the wood framing required to have when a masonry chimney passes through the roof opening?
2in
What is the minimum footing width on solid rock?
12in
A weep screed shall be placed a minimum of how many inches above the earth?
4in
What is the screw spacing for 1/2in gypsum on non-load bearing wood stud wall?
12in
In reference to dirt work, what is meant by the term “lift”?
Any layer of soil placed upon another soil layer
What do you do if sill plates on a foundation are unprotected?
Protection is not needed if it is 8in above ground
The slope ratio of a handicap accessible ramp shall be a maximum of:
1ft in 12ft
What of the following is the proper starting place for laying parquet flooring>
In the center
Emergency egress lighting shall provide lighting for a duration of:
90 minutes
What is the minimum vertical size of attachment flange of weep screed that is placed on the foundation wall prior to the attachment of exterior lath?
3 1/2 in
What is the minimum distance allowed between holes in steel studs?
24in
According to code, what is the minimum required width of a footing in soil rated at 2000 PSF for a single story building w/8in thick masonry walls?
12in
What is added to mortar to increase its bonding abilities?
Add hydrated lime
What is the minimum width perpendicular to the length of K-Series joists for a steel bearing plate anchored in a concrete masonry wall?
6in
A grade rises 86ft in 277ft horizontal, what is the percent of slope?
31% (86/277)
The minimum distance that end joists shall be offset in double top plates is:
24in
The top and bottom horizontal member of a truss is called?
Chord
How much space should be left between the insulation and roof sheathing on a sloped and vented roof?
1in
What do you call a metal used to keep water from seeping into a shouse?
Flashing
The top of a 4in concrete slab is at one foot above the benchmark - what is the elevation at the bottom of the slab?
.667
According to code, what is the minimum distance from the top or bottom of the joist that a hole may be drilled?
2in
What is the purpose of fiber reinforced plastic or zinc coated reinforcing bars?
For corrosion resistance
In concrete, certain plasticizers can increase the workability time by:
30-60 minutes
Which of the following would cause crazing (superficial cracking) on the surface of concrete?
Early drying due to the late curing or excessive water on surface
How are resilient channels used in drywall application?
To decrease sound transmission in walls and partitions
The minimum depth of wire wall ties embedded in mortar of solid masonry unit is?
1 1/2 in
All materials that are considered permissible for use as underlayment for hardwood flooring EXCEPT:
Particle Board
Asphalt shingle installed in warmer climates with a slope of 4:12 or more should have a minimum underlayment of:
1 layer of #15
All of the following are standard deformed rebar sizes EXCEPT:
12
If you peel off siding and the wood is dark brown and crumbly, what is the probably cause?
Dry Rot
The soil report states that the soil is sandy-gravel. What is the soils load-bearing value?
3,000 PSF
According to OSHA rules and regulations, scaffold planks should extend past their end supports a MINIMUM of:
6in
For soils classified as sandy-gravel, foundation pressure shall not exceed how many PSF?
3,000lbs/sqft
What is the minimum pitch for an asphalt roof system?
2:12
How do you increase the compaction of sandy soil?
Water and vibration
Concrete spread footing projections shall be at least ____ and shall not exceed the thickness of the footings.
2in
To get air bubbles out of already laid concrete it is best to:
Vibrate
How much can be notched from a load bearing stud without compromising it’s structural integrity?
25%
What is the minimum overlap of a vapor barrier in an invented confined space?
6in
Asphalt shingles are being installed on a roof with 5/8 inch sheathing, the nails shall:
Penetrate completely through sheathing
What would be considered overworking concrete?
Too much water and fine material to the surface
According to code, the minimum thickness of a concrete slab that is supported directly on the ground shall be:
3.5 in
The proper compaction of soil is best achieved by:
using the right amount of moisture
What is the maximum distance that a cement plasterer’s scaffolding platform can be from the face of a wall w/o additional fall protection?
18in
What does the “R” after the contractors license number represent?
The licensee’s scope of work is restricted
What material will be least likely to chalk when painting an exterior wall?
Elastomeric
What is the thickest insulation panel that is allowed in an interior floor assembly?
1/2 in
What is the minimum footing width of a 2-story light-frame construction building with a soil bearing capacity of 2000 PSF?
12in
Using a superplasticizer admixture to increase the workability of concrete has a short lived time of:
30-60 minutes
What PPE is required when using an abrasive wheel?
Safety Glasses
The building span is 36ft wide and located in an area where the snow load is 30 pounds per sqft. What is the maximum span that a header of 2-2x10s can support, if the dead load includes a roof, ceiling, and 1 clearspan floor?
4ft 2in
According to code, the minimum width at least on egress (exterior) door serving a residence is:
32in
Which of the following is most important when rescuing someone from a permit required confined space?
Supplementary oxygen
What is the minimum required width of a sidewalk around a construction site?
4ft
Nails used for installing hard board panel siding vertically must accommadate the sheathing and penetrate the framing a minimum of how much?
1 1/2 in
Wood floor joists shall have a minimum of how many inches of bearing on masonry?
3in
Excessive slump loss during concrete pumping is an indicator of:
Inadequate pre-soaking
According to code, what is the minimum required width of every exit door servicing an occupant load of 10 or more?
32in
When excavating, what problem does water in the trench create?
Unstable soil
On scaffolding, what is the minimum width that platforms or walkways can be before fall protection is required?
18in
How close can your string line be to the cinderblock wall you are building?
1/16in
Roofing nails should be long enough to penetrate through concrete roof tile and at least ____ into the roof deck.
3/4in
Which of the following grades of veneer plywood designates the highest quality?
A
According to OSHA, what is the maximum distance that a scaffold plank may extend over its end support?
12in
Wall ties should be placed how far from the exposed edge of a masonry unit?
5/8in
According to OSHA, powered concrete trowels that are manually guided shall be equipped with:
a hand release shut of switch
While trenching and excavating, OSHA requires that employees be protected from excavated materials and other materials stored near the trench or excavation.
These materials must. be at least ____ from the trench or excavation.
2ft
Which of the following shall not be assumed to have a presumptive load bearing capacity for foundations?
A. Sandy Gravel
B. Sedimentary & Foliated Rock
C. Crystaline Bedrock
D. Organic Silt (ANSWER)
What is the minimum slope allowed for metal shingles?
3:12 (25%)
The optimum moisture content of the soil is the amount of moisture at which:
Maximum density may be obtained
Materials used for sprayed foam-in-place roof insulation on type III & IV buildings shall comply with:
ASTM C 1029
Solid blocking is required for floor joists that exceed what nominal size?
2x12
What is the gauge of an average brick tie?
22
What is the minimum depth of a hearth in front of a masonry fireplace?
16in
What type of connection should be used when an I-joist and a beam meet?
Joist hanger
When positioning reinforcing steel in a concrete wall, what is used to maintain its position?
Wire ties
Which if the following classes of asphalt shingles would have the best fire rating?
Class A
The right amount of moisture (or maximum water content) for soil to reach the greatest density is called the:
optimum moisture content
According to OSHA, what type of guard (or safety) is required for a power saw?
Point of operation
The minimum concrete cover for #6 reinforcing bars from the side of a slab exposed to weather is:
2in
The frost line is 24in below the surface. What is the required depth of a footing?
Below the frost line
What should be done to a concrete mix to increase the ease of a pour?
Decrease rough aggregate
Concrete and masonry foundation walls shall be waterproofed:
in areas where a high water table exist, where severe soil conditions exist, and from the top of the footing to the finished grade.
What is the minimum thickness of fiber cement panel siding?
.25
According to OSHA, what is not required when welding?
A. Mechanical Ventilation
B. Oxygen to blow off clothes (ANSWER)
C. Filter Lenses
D. Fire Extinguisher
What is the minimum width of a load bearing CMU wall with filled cells?
8in
The maximum slope for a horizontal drain vent combination is ____ every 12 inches.
1/2in
Which is the highest fire proof rating for shingles?
A
If you have 8 employees in your company and you move into a new building, what safety precautions are required by OSHA?
Verbal explanation of emergency plan
What is the maximum vertical distance allowed between headers when building multi-wythe masonry walls?
24in
Which of the following is a soft wood?
A. Mahogany
B. Maple
C. Pine (ANSWER)
D. Birch
Doors shall swing in the direction of egress travel where serving an occupancy load of ____ or more.
50
Perimeter fastening for tile roofing areas from either side of the hips or ridges and edges of eaves and gable rakes include:
3 tile courses but not less than 36in
What must be done with existing flashing when reusing to ensure proper adhesion?
Primer
What is the standard gauge of exterior flashing?
26
What is the maximum slope of a footing trench before stepping is required?
10%
What is the maximum aggregate size for shotcrete?
19mm (3/4)
Oxygen bottles in storage shall be separated from combustible materials by a minimum of:
20ft
How much can be notched from a non-load bearing stud without compromising its structural integrity?
40%
What is the maximum allowable pressure for a latch on an emergency egress door?
15 PSF
Tracks for structural steel framing shall have a minimum flange width of:
1 1/4 in
Exterior doors are more efficient of they are:
Solid Core
According to code, footings shall be stepped when?
If the ground surface slopes more than one unit vertical to ten units horizontal or where necessary to change the top footing surface elevation.
What is the minimum required reinforcement around a window in a concrete foundation wall?
One no. 5 rebar
According to code, #11 reinforcement bars in cast in place concrete which is NOT exposed to earth or weather must have a minimum concrete cover of at least:
3/4 in
What is the result of vibration of the concrete material?
Reduction of voids
If the blueprint doesn’t disclose an exterior doors rough opening, then the standard practice would be to frame the width ____ oversize.
2in
A stairway with a handrail installed on one side only shall develop a minimum width of:
31 1/2 in
What is the correct placement of anchors for a metal track in steel frame construction to any substrate whether it be concrete or wood?
2in from the end at 24in o.c.
According to code, the maximum diameter of a hole that may be bored in a 2x10 joist is:
3in
What is the maximum distance that a header of 2-2x12’s can span across an opening with a clear span floor, roof, and ceiling above it?
7ft 9in
On an exterior wall, a contractor is putting brick on the outside, sheetrock on the inside and insulation in between. Where should the vapor barrier be put?
Behind the sheetrock
What is not allowed to be done to planks for scaffolding?
Oil base paint or sealant
Each wall tie supporting masonry veneer shall support not more than ____ sq ft of wall area.
2 2/3 (2.67)
You are finishing a concrete surface, defects of the finished product such as crazing, dusting, and spalling are caused by?
overworking the concrete surface
The minimum overlap of vertical joints of felt or paper, which is applied to exterior walls, as a weather resistant barrier is:
Not less than 6in
According to the Americans with Disabilities Act, how big does the landing need to be at the bottom of a ramp?
3ft by 5ft
Which of the following is not typical of ice protection for asphalt shingle roof?
One layer of 90lb hot mopped mineral surfaced membrane
What type of gypsum board is used on a curved wall?
4x8x1/4 Flexboard
How much clearance should be left between the ends of the panel and trim on vinyl siding?
1/4in
In high wind areas, what is the maximum spacing for nailing underlayment?
36in
Dampening of the subgrade or the wood concrete forms prior to the placement of concrete will:
Prevent rapid extraction of the mixing water from the concrete
Which of the following is the most important when deciding the depth of a footing?
Depth of the frost line
According to the code, plain concrete for basement walls and foundations shall be what minimum compressive strength (psi)?
2500 PSI
What is the most important factor in determining the “R” value blown in insulation?
Density
An area where empty drums that have held flammable or hazardous product are being welded or cut can include all of the following except:
oxygen used for cooling barrels and blowing dust from clothing
Steel wall framing track shall have a minimum flange width of:
1 1/4 in
In conventional light-frame construction on soil w/a load bearing value of 2000 psf for a one story building with 8in hollow concrete masonry walls, what is the minimum thickness of the spread footing?
6in
What is the process when laying poly underlayment under a concrete slab?
Overlap edges by 6in
What is the minimum required thickness of a structural concrete wall?
4in
What is the maximum exposure that you can have with 24in No. 2 preservative-treated taper sewn wood shakes on 4:12 pitch or steeper?
7 1/2 in
When wide square edge boards are being used for board & batten siding, how should the batten strips be nailed?
To only one siding board
What is the smallest sized screw that can be used to attach 1/2 in gypsum board to load bearing steel studs?
6 x 1in
What is the mil rating of a vapor barrier that must be installed under concrete slabs?
6
When installing 3 tab asphalt strip shingles in severe climates, on a roof slope of 5:12 the approved ice protection membrane should extend from the roof eave to a minimum of ____ inside the exterior wall (this applies to roofs 4:12 or grater).
24in
What is the minimum width of a footing for light frame construction?
12in
How are the ends of bottom bearing joists normally laterally restrained?
Solid blocking
Interior foam boards must be separated from the interior by:
1/2in
When can the moisture curing process of concrete begin?
Immediately
What is the proper way to attach base shoe molding on a hardwood floor?
Nail it to the baseboard only
What are rain gutters attached to?
Fascia
A concrete slab-on-ground cast monolithically with the footing shall be permitted to locate ____ as an alternative to placement at the footing top and bottom?
1 no. 5 or 2 no. 4 bars in the middle third of the footing
What is the maximum slope on a finish grade?
50%
A window that has panels that move vertically are:
double hung
What size designator always appears first for window sizing?
glass width size
What is the minimum required illumination in an active construction storage area?
3 foot candle
What is the best method to compact sand and gravel?
puddling and vibration
Where the roof and exterior walls come together, how much higher should the exterior wall be than the roof on a built up roof?
30in
What is the minimum pitch for a concrete roof system?
2 1/2:12
According to the code, notches allowed in the top or bottom of joists shall not exceed what fraction of the depth of the joist?
1/6
What is the maximum load bearing soil capacity of a sandy soil classification?
2000 PSF
