B3/61 Contractor Trade Prep
What is the minimum size screw for attaching gypsum board to steel studs #4 #6 #8 #10
#6 IRC: R702.3.5.1; R804.2.5 Gypsum construction pg 42-43
What is the maximum amount of water allowed to accumulate in an occupied trench? 1" 2" 0" 3"
0" OSHA: 1926.651(h)(1)
What is the maximum slope of a footing trench before steeping is required? 5% 25% 15% 10%
10% IRC: R403.1.5 IBC: 1809.3
According to code, what is the minimum required width of a footing in soil rated at 2000 PSF for a single story building with 8 inch thick masonry walls? 12 inches 32 inches 24 inches 16 inches
12 inches IRC: R403.1.1 table 403.1(2) IBC: 1809.4
What is the minimum footing width of a 2 story light frame construction building with a soil bearing capacity of 2000 PSF? 12 inches 16 inches 21 inches 17 inches
12 inches IRC: Table 403.1(1)
What is the minimum width of a footing for light frame construction? 4" 2" 12" 6"
12" IRC: R403.1.1, table 403.1(1) IBC: 1809.7, table 1809.7
The minimum depth of footings below the undisturbed ground surface shall be _____ 6" 24" 18" 12"
12" IRC: R403.1.4 IBC: 1809.4
Concrete spread footing projections shall be at least _______ and shall not exceed the thickness of the footings 2 inches 4 inches 6 inches 12 inches
2 inches IRC: R403.1.1
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 ______ of the trench or excavation 2' 4' 3' 1'
2' OSHA 1926.651(j)(2)
According to the code, an escape window in a bedroom shall have a minimum clear opening width of 22 inches 18 inches 20 inches 24 inches
20 inches IRC: R310.2.1 IBC:1030.2.1
A building with square corners has outside measurements of 12 feet by 16 feet. What is the diagonal measurement? 27' 25' 20' 18'
20' carpentry and building pg 312
The standard depth of the base cabinet used in a kitchen is _____ inches 30 28 24 20
24 carpentry and building construction pg 784
What is the minimum distance allowed between holes in steel studs? 18 inches 36 inches 24 inches 12 inches
24 inches IRC: R603.2.6.1(3)
The minimum gage metal used for valley flashing is: 36 26 30 28
28 IBC: 1507.2.8.2 table 1507.2.8.2
According to the code, what is the minimum slope on which asphalt strip shingles may be installed? 2:12 3:12 1:12 4:12
2:12 IRC: R905.2.2 IBC: 1507.2.2
What is the minimum vertical size of the attachment flange of weep screed that is placed on the foundation wall prior to the attachment of exterior lath? 3-1/2" 4" 4-1/2" 3"
3-1/2" IRC: R703.7.2.1 IBC: 2512.1.2
What is the ideal size of head and bed joints in masonry construction? 5/8" 1/4" 3/8" 1/2"
3/8" IRC: R606.3.1
Where the roof and exterior walls come together, how much higher should the exterior wall be than the roof on a built up roof? 20" 30" 40" 10"
30" IBC: 705.11.1
The maximum horizontal distance allowed between metal ties in a masonry cavity wall is ____ inches 42 30 36 24
36 IRC: R606.13.2.1
In high wind areas, what is the maximum spacing for nailing underlayment? 30 inches 16 inches 24 inches 36 inches
36 inches IBC: 1507.18.4.1
What size landing is required at the top and bottom of a ramp? 48" x 48" 42" x 42" 36" x 36" 32" x 36"
36" x 36" IBC: 1012.6.4 exception
Collar ties must be spaced not more than _____ on center 2 feet 3 feet 4 feet 5 feet
4 feet IRC: R802.4.6
A weep screed shall be placed a minimum of how many inches above the earth? 4 inches 8 inches 6 inches 2 inches
4 inches IRC: R703.7.2.1 IBC: 2512.1.2
What type of gypsum board is used on a curved wall? 54 x 12 x 1/4 type x 54 x 8 x 1/2 type x 4 x 8 x 1/4 flexboard 4 x 8 x 5/8 MR board
4 x 8 x 1/4 flexboard gypsum construction pg 5
Which of the following classes of asphalt shingles would have the best fire rating? Class C Class A Grade A Class B
Class A IBC: 1505.2 IRC: R902.1
5/8 inch wood sheathing installed on a steel framed roof requires what type and size of screws? No. 10 self- tapping No. 12 self- tapping No.8 self- tapping No. 6 self- tapping
No.8 self- tapping IRC: R804.2.5
An area where empty drums that have held flammable or hazardous product are being welded or cut can include all of the following except: inspection & cleaning for cutting Boring hole in tank to relieve heat pressure Oxygen used for cooling barrels and blowing dust from clothing A fire extinguisher nearby and ready to use
Oxygen used for cooling barrels and blowing dust from clothing Osha 1926.353(a)(5)
What is the horizontal span or length of a stairway called? Span Tread Total rise Total run
Total run
Which of the following should be used for drywall finishing in preparation for painting and wall covering? Texture Float Spray Trowel
Trowel WTFFFFF
If you have 8 employees in your company and you move into a new building, what safety precautions are required by OSHA? Nothing Verbal Explanation of emergency plan Install alarm system identifying the cause Appoint 4 employees as safety personnel
Verbal explanation of emergency plan (10 or more employees require written plan) OSHA 1926.35(e)(3)
At what stage of the construction process would the builder cut out the sole plate in a door opening? before the wall is erected immediately after the wall is erected after the door is installed and secured to the opening after the wall has been erected and braced
after the wall has been erected and braced carpentry and building construction pg 449-450
All of the following roofing material can be re-used except: clay tile metal roofing cement tile aggregate materials
aggregate materials IRC: 908.5 IBC: 1511.5
In reference to dirt work, what is meant by the term "lift"? The difference in grade from one point to another A section of ground that needs to be filled a horizontal ledge used for controlling erosion any layer of soil placed upon another soil layer
any layer of soil placed upon another soil layer pipe and excavation contracting pg 191
When framing a 5 foot by 5 foot opening in a wood joist floor for a stairwell you should: reinforced with a bolted steel angle and plate double header and trimmer joist double header joists use joist hangers
double header and trimmer joist IRC: R502.10 IBC: 2308.4.4
If you peel off siding and the wood is dark brown and crumbly, what is the probable cause? heat dry rot termites mold
dry rot carpentry and building pg 328
Which of the following would cause crazing (superficial cracking) on the surface of concrete? early drying due to late curing or excessive water on surface lack of control joints early curing too much cement in the mix
early drying due to late curing or excessive water on surface Contractors guide to quality concrete construction pg 197
What is the purpose of ventilating a confined space? increase the oxygen level eliminate hazardous atmosphere decrease the temperature decrease the moisture
eliminate hazardous atmosphere OSHA: 1926.1202
Floating and troweling concrete too early in the curing process (or while the concrete is too plastic) can cause? Too much aggregate brought to the bottom of the concrete to make the surface weak too much aggregate brought to the surface to make the concrete weak excessive water brought to the surface to make the concrete weak excessive water brought to the bottom of the concrete to make the surface weak
excessive water brought to the surface to make the concrete weak
A _____ is a system component that receives inputs from automatic and manual fire alarm devices and may be capable of supplying power to detection devices and transponders or off-premises transmitters fire command center fire alarm control unit fire alarm system fire protection system
fire alarm control unit IBC: section 202, definitions
What is the purpose of fiber reinforced plastic or zinc coated reinforcing bars? lower cost for corrosion resistance high water table increased strength
for corrosion resistance Modern masonry-brick, block, stone pg 172
What should be used to fasten cement board to a wood framed subfloor? drywall screws wedge anchors adhesive and ring shank nails galvanized nails or screws
galvanized nails or screws ANSI A108 & A118
what tool is used to remove grout for tile repair? trowel grout saw cold chisel circular saw
grout saw setting tile pg 226
What type of connection should be used when an I-joist and a beam meet? Metal framing ties Metal hurricane clips Joist hanger Railing Tie
joist hanger carpentry and building construction pg 388
In insulation, the "R" value is the flame spread rating smoke developed rating measure of thermal resistance measure of permeability
measure of thermal resistance Walker's Insulation Techniques and Estimating Handbook pg 141
What is the proper way to attach base shoe molding on a hardwood floor? Nail it to the floor only nail with a pnuematic nailer to prevent splitting alternately to the base molding and the floor nail it to the baseboard only
nail it to the baseboard only carpentry and building pg 764-765
Which of the following mortar types may be used to lay glass block? type k type o type m type s
type s IRC: R607.8 IBC: 2110.1 (ref TMS 402)
According to Contractor's Guide to Quality Concrete Construction, when you vibrate concrete, does it: become fluid and flowable/consolidated increase slump add more water reduce cure time
become fluid and flowable/consolidated
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? Spray on barrier behind the brick behind the sheetrock behind the brick top half of the wall only
behind the sheetrock Carpentry and building construction pg 900
The frost line is 24" below the surface. What is the required depth of a footing? above the frostline 12" below ground surface 18" below ground surface below the frost line
below the frost line IRC: R403.1.4.1(1) IBC: 1809.5
What type of gypsum board is recommended for use as a base for an interior veneer plaster finish? water resistant board duralock blue board regular base
blue board gypsum construction pg 10
Which of the following can be used as backfill outside a foundation WITHOUT being compacted 3/4 minus gravel clean fill dirt controlled low strength material soil without organic material
controlled low strength material IBC: 1804.3
How large of a hole can be drilled into a steel stud? 2 inches 3/4 inch 1 inch 1 1/2 inch
1 1/2 inches IRC: R603.2.6.1(4)
The slope ratio of a handicap accessible ramp shall be a maximum of _______ 1 foot in 10 feet 1 foot in 12 feet 1 foot in 20 feet 1 foot in 8 feet
1 foot in 12 feet IBC: 1012.2
Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and penetrate the framing a minimum of how much? 1-1/2" 2-1/2" 2" 1"
1-1/2" IRC: table R703.3(1) footnote h IBC: Table 2308.6.3(5)(d)
On concrete delivery time, how long do you have before concrete should be poured? 2 hours 1 hour 1.5 hours 2.5 hours
1.5 hours modern masonry pg 343
How close can your string line be to the cinder block wall you are building? 3/16" 1/4" 1/8" 1/16"
1/16" Modern masonry pg 222
The maximum slope for a horizontal drain and vent combination is _____ every 12" 1/4" 5/8" 1/2" 1/8"
1/2" IRC: P3111.2.1
Wall ties should be placed how far from the edge of a masonry unit? 1/4" 5/8" 3/8" 1/2"
1/2" IRC: R606.3.3(4)
The maximum depth of a notch in the top or bottom of a floor joist is _______ of the depth of the joist. 1/4 1/6 1/3 1/8
1/6 IRC: R502.8.1 IBC:2308.4.2.4
How close to a plastic or canvas tarpulin can you place a portable heat source? 10 feet 4 feet 12 feet 6 feet
10 feet OSHA: 1926.154.b.4
What is the maximum slope on a finish grade? 50% 30% 20% 40%
50% IBC: 3304.1.1
When installing strip wood flooring what is the recommended minimum staggered distance of the butted joints from those of the preceeding row? 9 inches 15 inches 6 inches 12 inches
6 inches
Refer to the illustration of a 2 story house w/lap siding plans, (complete set of plans at the test center), what is the elevation of the height intermediate landing of the stairs? 61 1/2 inches 55 inches 53 1/2 inches 107 inches
61 1/2 inches Refer to diagram
The minimum clear height above and below a mezzanine floor area shall be ______ 6'-8" 7' 8' 7'-6"
7' IBC: 505.2
How far from the base of a building should the bottom of a 28 foot ladder be? 7' 8' 5' 6'
7' OSHA: 1926.1053(b)(5)(i)
What is the number of full sheets of plywood required for a rectangular subfloor which measures 52 feet by 44 feet? 68 86 66 72
72 math
Which of the following grades of veneer plywood designates the highest quality? D C B A
A Carpentry and building construction pg 340
Materials used for sprayed foamed-in- place roof insulation on type III and IV buildings shall comply with ASTM C 1029 ASTM D2626 ASTM V957 ASTM D4434
ASTM C 1029 IRC: R905.14.2 IBC: 1507.14.2
Where does the vapor barrier go in an attic that has 2 layers of batt insulation? Above the insulation Stapled to the rafters Between the layers of insulation Below the insulation
Below the insulation Carpentry and building construction pg 900
Employees are working in an excavation where no precautions are in place to protecct them against the effects of accumulated water. According to OSHA how much water is allowed to accumulate in the hole before they must stop? 1" measured to the edge of the hole 3" measured to the edge of the hole 6" measured to the center of the hole none, no accumulated water is allowed
none, no accumulated water is allowed OSHA: 1926.651(h)(1)
On a airless paint sprayer, what is responsible for the pattern of the paint? activator compressor orifice actuator
orifice painting and decorating pg 158
You are finishing a concrete surface, defects of the finished product such as crazing, dusting, and spalling are caused by? not working the surface enough waiting too long to start the floating process overworking the concrete surface improper consolidation
overworking the concrete surface Design and control of concrete mixtures pg 288
What screws are used to attach steel studs to the top and bottom steel track? flute head, type w pan head, type s truss head, type s bugle head, type w
pan head, type s gypsum construction pg 42, 78
What is the required underlayment for laminated counter tops? composite board particle board hardboard wafer board
particle board carpentry and building construction pg 800
What type of power tool requires specific training of operators before they are allowed to operate it? powder actuated pneumatic powered fuel powered hydraulic powered
powder actuated OSHA: 1926.302(e)(1)
When installing unfaced batt insulation, how is it secured? pressure fit taped wired stapled
pressure fit carpentry and building construction pg 897
Dampening of the subgrade or the wood concrete forms prior to the placement of concrete will: promote organic growth and should be avoided cause a high water/cement ratio and greatly reduce the strength of the concrete prevent rapid extraction of the mixing water from the concrete cause an excess of surface water to appear after floating
prevent rapid extraction of the mixing water from the concrete Design and control of concrete mixtures pg 324
Which type of admixture is used to offset the accelerating effect of hot weather on the setting of concrete: retarding admixture accelerating admixtures air entrainment water reducing admixtures
retarding admixture design and control of concrete mixtures pg 127
A concrete slab should be bull floated as soon as possible after: placing edging floating screeding
screeding Design and control of concrete mixtures pg 286,287
The molding used to finish an inside surface at a 90 degree angle is a? shoe molding quarter round marker piece concave molding
shoe molding carpentry and building construction pg 765
Exterior doors are more efficient if they are? have side lights solid core hollow metal fully glazed
solid core carpentry and building pg 596
According to OSHA, all floor and bench mounted abrasive grinders with cup type wheels used for external grinding must be provided with all of the following safety devices EXCEPT: steel mandrels a revolving cup guard or band type guard a protective hood rigidly supported and adjustable work rests
steel mandrels OSHA: 1926.303(c)(1),(2),(3)
What can be the result when concrete is allowed to drop freely (or drop over 5 feet) over reinforcing bar and ties? Nothing the aggregate can separate causing poor consolidation reinforcing bars will move ties will loosen
the aggregate can separate causing poor consolidation Contractors guide to quality concrete construction pg 73
On graded sites, thee top of any exterior foundation shall extend above the elevation of the water table 12 inches the street gutter at point of discharge anything under a minimum of 6" below grade anything under a minimum of 8" below grade
the street gutter at point of discharge IRC: R403.1.7.3 IBC: 1808.7.4
The "Total Run" of a stairway is the sum of the risers the total rise divided by run the sum of the tread run the total number of risers
the sum of the tread run carpentry and building pg 734
What is the purpose of the paper backing on a batt of insulation? to keep the batt from sagging To refuse the flame spread to hold the batt together to form a vapor barrier
to form a vapor barrier carpentry and building pg 900
When reroofing over an existing asphalt roof what is used as the started course? trimmed shingle #15 felt poly starter course wood sheeting
trimmed shingle carpentry and building pg 637
The wood framing member that supports a header over a door is called a king stud purlin cripple trimmer
trimmer carpentry and building construction pg 434