ARCH 3130 | Homework Quizzes
Which is the correct bar name and size for rebar?
[ a. #8 = 1 in diam. ] b. #3 = 3/5" diam. c. #4 = 1/4" diam. d. #11 = 1.1" diam.
A typical CMU has
[ a. 2 cells and 3 webs ] b. 3 cells and 2 webs c. 2 cells and 7 webs d. 2 cells and 6 face shells
Which of the following is the correct pair of curing time and proportionate strength?
[ a. 28 days to 100 % design strength ] b. 7 days to 50% design strength c. 24 hours to 25% design strength d. 3 days to 25% design strength
For a finished interior ceiling height of 8' and assuming 1/2" thick gypsum board, the common studs should be:
[ a. 92-5/8" ] b. 96" c. 95-1/2" d. 96-5/8 in
Which of the following issues would possibly prevent the use of an open excavation?
a. A site large enough to allow benched excavation. b. A site with fine-grained soils. [ c. A site where adjoining structures are present ] d. A site with area for stockpiling.
A strap footing is generally used where:
a. All of the given answers are situations where a strap footing is required. [ b. The columns in the building are at the property line. ] c. The columns in the building are closely spaced. d. Where the soil has low bearing capacity
When is a cylinder test performed? not a or b
a. At the time of the concrete placing. b. 24 hours after concrete placing. c. 28 days after concrete placing. d. 7 days after concrete placing.
A manufacturing building has areas with both flammable gas and flammable solids. Which of the following is an occupancy classification that can be used?
a. Nonseparated mixed-occupancy H3 [ b. Occupancy H3 ] c. Nonseparated mixed-occupancy H2 d. Occupancy F1
Which of the following is a correct statement?
[ a. A double wyth wall of Flemish bond does not required the use of cut bricks. ] b. A double wyth wall of English bond requires the use of cut bricks. c. A single wyth wall of stacked-bond requires the use of cut bricks. d. A single wyth wall of Common bond does not require the used of cut bricks.
Loads on interior partition walls would include which of the following?
[ a. All of these can be loads on interior partition walls. ] b. Lateral loads from pressurizatio due to HVAC. c. Gravity self weight loads. d. Lateral loads from slamming doors. e. Incidental impact lateral loads.
What was the time span of the loss of the art and science of making concrete?
[ a. Approximately 1,400 years ] b. Approximately 400 years c. Approximately 14,000 years d. It was never lost, so 0 years
IN a typical site-cast concrete structure, the cost of formwork and shores is:
[ a. Approximately 50% of total structure cost. ] b. Approximately 25% of total structure cost. c. Approximately equal to the concrete cost. d. Approximately 75% of total structure cost.
Why are there 6 possible orientations of a brick on a wall elevation?
[ a. Because there are 3 identical faces with 2 possible orientations ] b. Because there are 6 unique faces c. Because there are 3 orientations of 3 identical faces d. Because there are 3 unique faces and 2 types of bonds
Which of the following is not an aspect of building design that is regulated by a building code?
[ a. Bulk Plane protection ] b. Structural safety c. Property protection d. Life safety
What are the three most important specifications items for CFS?
[ a. Corrosion protection type and rating, sheet thickness and sheet steel strength. ] b. Corrosion protection type and rating, sheet thickness and cross section shape. c. Sheet strength, web depth and flange width. d. Sheet thickness, sheet strength and web depth.
Which of the following is not covered in the Health and Welfare part of a building code?
[ a. Durability of building assemblies ] b. Sustainable construction c. Natural resource conservation d. Noise control
As the lime content is increased in masonry mortar, which is the correct affect on the performance characteristics?
[ a. Flexibility is increased, water tightness is increased, compressive strength is decreased ] b. Flexibility is decreased, autogenous healing is increased, the bond strength is increased c. Workability is decreased, flexibility is decreased, compressive strength is increased d. Cracking is decreased, bond strength is decreased, workability is decreased
Which of the following describes a scenario where deep foundations are NOT required?
[ a. For a lightly loaded, low-rise buildings on expansive soil. ] b. When the soil near the surface is unstable. c. When the soil near the surface does not have the capacity to support the building loads. d. When the building and it's contents is especially sensitive to small amounts of settlement.
Which of the following is an UNtrue statement?
[ a. Generally the bearing capacity of soil decreases with depth below grade. ] b. Generally, a deeper footing will require less footing area. c. Generally a shallower depth will require a greater footing area. d. Frost depth is the maximum depth where the water in the soil above that depth will freeze.
Lime is made by which process?
[ a. Heating crushed limestone to 1,800 ˚F. ] b. Heating quicklime c. Carbonation of hydrated lime. d. Adding water to quicklime.
Brick (clay) masonry provides all EXCEPT which of the following characteristics?
[ a. High thermal resistance ] b. High sound insulation c. High durability d. High fire resistance
Which of the following is NOT a recommended use for SIP's?
[ a. Interior walls ] b. Roofs c. Exterior walls d. Structural basement floor
Which is the correct statement about aggregate in concrete?
[ a. Lightweight aggregate can yield cost savings by reducing the size of supporting beams. ] b. Normal weight aggregate should be uniform in size and density. c. Lightweight aggregate is more expensive and increases the strength of the concrete. d. Normal weight aggregate is made from expanded shale.
Which combination is correct for masonry mortar?
[ a. Lime + Portland cement + sand + water ] b. Portland cement + sand + water c. Lime + sand + water d. Lime + Portland cement + water
Which of the following is NOT an advantage of the SIP construction method?
[ a. More use of hoisting equipment, so less labor costs ] b. panelized system uses less skilled labor c. reduces on-site construction time d. insulation subtrade eliminated, more site efficient
Which is the correct definition of a dimension type?
[ a. Nominal dimension = specified + one mortar joint ] b. Specified = dimension before firing c. Actual = Nominal + one mortar joint d. Measured = dimension after firing
There were world events that led to a renewal of bearing wall construction in the 1950's, select the answer that is NOT one of these.
[ a. Portland cement was invented and patented. ] b. Post WW2 reconstruction required large-scale and inexpensive housing. c. Sophisticated structural design theories were applied to masonry. d. The building industry began to understand the interactive structural behavior of the walls and horizontal components of a building.
Which of the following correctly defines the affects of quicklime on other materials?
[ a. Quicklime is highly corrosive to skin and metals. ] b. Quicklime is the return to the hardened parent, limestone, and can cause damage due to abrasion. c. Quicklime is relatively benign and is used in construction. d. Quicklime will dissolve in water, and is therefor non-reactive with other substances.
The use of load-bearing masonry wall became "extinct" for a while due to what other building systems?
[ a. Steel Frame systems ] b. Wood light framing c. CFS framing d. Rammed earth mass walls
Why is reinforcing steel needed in structural concrete components (walls, columns, beams)?
[ a. Steel provides the tensile strength. ] b. Steel provides the compressive strength. c. Steel reduces the amount of aggregate needed. d. Steel provides ductility.
What is the correct statement comparing bond beam units and lintel units?
[ a. The bond beam units are open at top and bottom, the lintel beam units have a solid bottom. ] b. Neither bond beam units or lintel units have cells. c. Neither bond beam units or lintel units have webs. d. Bond beam units are used over openings, lintel units are used to provide horizontal reinforcement.
For a W14 x 82, which is the correct assumption:
[ a. The depth will be nominally, but not exactly 14" and the weight per ft is 82# ] b. The shape will be the 14th listed in the table and will cost $82 per linear foot. c. The depth will be exactly 82" and the weight per foot will be 14# d. The depth is exactly 14" and the weight per for is approximately 82#
How does excess water in the concrete mix affect the strength of the concrete?
[ a. The excess water eventually evaporates, leaving large air voids. ] b. The excess water causes particle segregation. c. The excess water causes increased heat during curing which decreases the hydration reaction time. d. The excess water eventually hydrates the lime and returns is to the parent Limestone.
Which should be the guide for the compressive strength of the mortar?
[ a. The weakest mortar that will give the required performance ] b. The weakest strength that can be achieve with 1:1/8 proportion of Portland cement to lime c. The highest compressive strength mortar possible d. The highest strength compressive strength that will have the least shrinkage possible
How is ADA enforced?
[ a. Through federal litigation ] b. Through State litigation c. Through the Board of Appeals d. Through the permit review process
What is the purpose of control joints in a concrete slab on grade?
[ a. To provide a location for inevitable cracking of the slab. ] b. To limit the area of concrete finishing to a distance reachable by the crew. c. To prevent the cracking of the slab by allowing it to hinge a the control joint. d. To isolate the potential movement of adjacent foundation footings from affecting the slab.
Along a means of egress path, the fire protection should increase as the in moves through the components of Exit Access, Exit, Exit discharge.
[ a. True ] b. False
Which one of the following is an INCORRECT occupancy classification?
[ a. University classroom building: Occupancy E ] b. Adult day care facility: Occupancy I-4 c. Architecture office: Occupancy B d. University dormitory: Occupancy R-2
Efflorescence in masonry refers to
[ a. White spots in masonry walls ] b. Chipping and scalling of brick material c. Chippage of mortar in joints d. Differential settling of masonry courses
Which of the following is a true statement about wood trusses?
[ a. a truss is more rigid than a beam with the same volume of material ] b. trusses can be installed in any orientation (there is no top or bottom) c. trusses are only used in roofs d. top and bottom chords must be parallel
The fire-resistance rating of concrete members is a function of
[ a. all of these ] b. concrete cover over reinforcing c. thickness of the member d. type of coarse aggregate
Which of the following is the correct spacing rule for control joints in CMU walls?
[ a. all of these are correct recommendations for control joint spacing ] b. the length-to-height ration of a wall between control joints should be less than or equal to 1.5 c. distance between control joints should not exceed 25ft. d. If a wall is 18ft high, the maximum spacing is 25ft.
The center-to-center spacings of framing members in a WLF building are based on:
[ a. both structural and size of sheathing panels ] b. structural considerations c. the size of sheathing panels d. neither structural or size of sheathing panels
The voids in CMU's are called
[ a. cells ] b. cores c. frogs d. keys
Which is the correct technology that allowed the corresponding material production?
[ a. charcoal fire and hammering produce Wrought Iron ] b. Blast furnace and cooling on sand bed produce Steel c. Basic oxygen furnace and rolling produce Cast Iron d. electric arc furnace and hammering produce Steel
Which joint profile is the most watertight?
[ a. concave joint ] b. weathered joint c. flush joint d. convex joint
Select the correct nail type and it's application from the list below
[ a. double head nails - for temporary nailing ] b. box nail - for connecting wood frame members c. ring shank nail - for attaching wood to CMU or concrete d. finish nails - for attaching gypsum wall board as an interior finish
What does the acronym HSS stand for?
[ a. hollow structural section ] b. high strength section c. heat strengthened steel d. high strength steel
Joint reinforcement refers to
[ a. horizontal reinforcement in a masonry wall ] b. vertical reinforcement in a masonry wall c. compressive load reinforcement in a masonry wall d. using a solid grout bond beam every 4th course in a masonry wall
The primary purpose of steel reinforcement is to:
[ a. increase tensile strength ] b. increase compressive strength c. decrease bending d. decrease deflection
What is the purpose of core holes in manufactured bricks?
[ a. more uniform drying and firing ] b. lighter weight units c. improved dimensional stability with water absorption d. to reduce compressive strength to match mortar
A dry-stack CMU wall is allowed when:
[ a. never. ] b. less fire resistance is needed. c. less sound insulation is needed. d. less lateral resisitance is needed.
In a typical CME wall, mortaring is used:
[ a. on the horizontal and vertical surfaces of the face shells ] b. on the vertical and horizontal webs. c. to fill all cells completely. d. only on horizontal face shells and webs.
Which of the following ingredients should be increased to increase the workability of the mortar?
[ a. water ] b. temperature c. portland cement d. sand
In which direction is the strength of wood the greatest?
a. the strength is equal along and across the grain [ b. along the grain ] c. it depends on the species d. across the grain
Which of the following cross-sections is that of a dimensional lumber?
a. 1x4 b. 5x12 [ c. 4x8 ] d. 6x8
The approximate density of lumber is:
a. 35 psf b. 75 pcf [ c. 35 pcf ] d. 55 psf
Which of the following lateral load rates are specified by the Building Code for the design of interior partition walls?
a. 7.5 psf [ b. 5 psf ] c. 2.5 psft d. 10 psf
Which is the correct span capability for the listed slab type? not c or d
a. 8in hollow core slab, 60ft b. 8in thick flat slab, 20ft x 20ft c. 8in thick two-way slab, 16ft x 16ft d. Two-way waffle slab, max 60ft x 60ft
Which is the correct definition of a Column-Beam Simple connection?
a. A connection that does not allow rotation of beam ends b. A connection that resists bending. c. A connection that allows translation in one axis, but not two axis. [ d. A connection that allows rotation of the beam ends. ]
Which of the following qualifies as an "Exit", as a component of a means of egress system?
a. A corridor between an interior space and a exterior dor. b. An exterior door opening into an open-air, but walled on all sides courtyard. [ c. An enclosed stair between the interior space and the discharge. ] d. An open veranday at ground level between and enclosed staircase and the street.
The augers used for boring pier holes generally use:
a. A hammering operation. b. A rotary operation followed by a hammering operation. c. A vibratory operation followed by a hammering operation. [ d. A rotary operation with a helix-type blade cutter. ]
Which is the correct description of the listed component of a French drain?
a. A perforated pipe terminates in a sump pit which allows the water to evaporate. [ b. The perforated pipe is place in a trench surrounded with clean, crushed stone or gravel. ] c. A filter fabric encapsulates the perforated pipe. d. The drainage system must be installed a little below the bottom of the foundation to drain all the water.
Which is the correct statement concerning soil types?
a. Bedrock must be either sedimentary or igneous rock. b. Organic soils are highly compressible, and therefore suitable for building foundations. c. The size of the soil particles is the determinate of how capable a soil is of supporting a building load. [ d. In the presence of water, clayey soils expand. ]
What is a difference between WLF and CFS framing?
a. CFS floor joists are topped with steel decking, WLF are topped with OSB. [ b. CFS floor joists must align with the wall studs, this isn't necessary in WLF. ] c. WLF requires self-tapping screws, CFS does not. d. CFS framing requires hurrican clips at every stud, WLF does not.
Select the true relationship between carbon content and material performance:
a. Carbon content at 0.2% provides corrosion resistance and brittleness b. Carbon content above 4% provides high strength and weldability c. Carbon of 0.1% - 1.7% provides corrosion resistance, but not weldability [ d. Carbon content between .1% and 1.7% provides both weldability and malleability ]
Which of the following is not a common precast building component?
a. Columns and walls b. Hollow core slabs [ c. Two-way solid slab ] d. Double Tees
Which of the following is NOT a step in the conversion of logs into finished lumber?
a. Debarking logs and sawing into desired lengths b. Sawing of logs into desired cross sections c. Drying and surfacing lumber members [ d. Compression curing ]
Select the correct order of applying a building code to a proposed building.
a. Determine Frontage and use of Sprinklers Determine Construction Type Determine Occupancy Determine max Ht, Stories and Area b. Determine max Ht, Stories and Area Determine Frontage and use of Sprinklers Determine Occupancy Determine Construction Type c. Determine Occupancy Determine Frontage and Use of Sprinklers Determine Construction Type Determine max Ht, Stories and Area [ d. Determine Occupancy Determine Construction Type Determine Frontage and use of Sprinklers Determine max Ht, Stories and Area ]
Which of the following is a limitation of the Test Boring Method for investigating below ground soil conditions? (not a or b)
a. Each boring results in its own boring log. b. It is better suited for testing when the groundwater table is high, than the Test Pit method. c. It is considered to be more reliable than the Test Pit method. d. It is less expensive than the Test Pit method.
Which of the following is an advantage of total precast concrete construction?
a. Easy site adjustment of components with hand tools. b. Economic savings when using many unique forms. c. No crane is needed on site because components are easily put into place by hand. [ d. Rapid assembly at site. ]
Which of the following is NOT an acceptable fire protection method for steel?
a. Encase steel in gypsum board [ b. Polyurethane coating ] c. Encase steel in concrete d. Spray applied fiberglass and cement
Which of the following is NOT the correct definition for the term it is describing?
a. Engineered fill: soil that is prepared, placed, compacted and supervised per the geotechnical engineer's specifications. b. Backfill: stockpiled material excavated from site that is used to fill trenches of pits after construction the foundations. [ c. Grading fill: The stockpiled topsoil for supporting landscaping. ] d. Select fill: soils with required properties imported to the site, placed and compacted.
Select the correct statement relating the presence of air voids in cement to the resulting performance.
a. Entrapped Air voids are large and uniform in shape and relieve the pressure resulting during freeze-thaw cycles. [ b. Entrapped Air voids are irregular in shape, generally interconnected and allow water absorption, which causes spalling in freeze-thaw cycles. ] c. Entrained Air voids are small and interconnected, and increase the pressure during the freeze-thaw cycle. d. Entrained Air voids allow the absorption of water, which relieves the pressure during the freeze-thaw cycle.
Insulating concrete forms can only be used for:
a. Exterior walls more than 14" thick b. Non-load bearing walls [ c. None of these are correct ] d. Interior load bearing walls
Which of the following is NOT a classification of steel based on application?
a. Grade 50 steel b. Structural steel c. Cold-formed steel [ d. Alloy steel ]
Which is the correct shape and description of Structural steel cross sections?
a. HP-shapes can not be classified as a W, S or M and are miscellaneous [ b. W-shape is a wide flange shape used for beams and columns ] c. I-shape is a standard shape used in cranes and rails d. S-shape is like a letter S in cross-section and is used for bearing piles.
Which of the following is a requirement of masonry infill walls?
a. If the infill wall is at the exterior, it must be fire protected. [ b. If the infill wall is NOT also a shear wall, it must be separated from the columns. ] c. If the infill wall is NOT also a shear wall, it must be bonded to the columns. d. If the infill wall is at the interior, it must be without openings.
WLF was invented and developed into a system for construction in:
a. Imperial China in the 14th century b. Renaissance Europe in the 16th century [ c. USA in the 19th century ] d. Ancient Egypt in the 5th century BCE
Which of the following is a true statement about occupancy-related hazard factors?
a. Institutional buildings are more hazardous than Assembly buildings because of the concentration of people in them. b. Educational buildings are more hazardous than buildings with Flammable materials because the large number of people. [ c. Hospitals are more hazardous than Hotels because of the mobility of the occupants ] d. Residential buildings are more hazardous than day cares because of the flammable materials
Which of the following is NOT an alternative for providing lateral load resistance in a frame structure? not c
a. K bracing b. Diagonal bracing c. moment resisting connections [ d. Diaphragm wall construction ]
Which of the following is the correct use and depth range for the listed steel joist?
a. LH-series: long span, 30" - 52" depth [ b. DLH-series: deep long-span, 52" - 72" depth ] c. K-series: common span, 18"-48" depth d. H-series: half span, 12"-24" depth
In a seismically active areas, which type of soil is generally better?
a. Loosely consolidated soils because the energy of the earth movement will simply pass through and therefore generate smaller earthquake loads. [ b. Highly dense soil because there will be smaller deformations and therefore experience smaller earthquake loads. ] c. There is no difference in the different soil types, all will experience loads based on the magnitude of the seismic event. d. Water-saturated soils because the particles will consolidate when shaken and provide better support for the building.
Which of the following is not identified on the markings of reinforcing steel?
a. Mill identity [ b. Recycled content ] c. Type of steel d. Grade of steel
Pans used as formwork for one-way joist floors have a
a. Wedge-shaped profile [ b. U-shaped profile ] c. Z-shaped profile d. any of the these
What is the correct difference between OSB and Plywood
a. OSB is not structural, but Plywood is. [ b. OSB has higher shear strength than Plywood ] c. Plywood alternates the direction of the grain each layer, OSB orients the strands parallel in every layer. d. Plywood is typically 4'x8' (nominal), but OSB is typically 4.5'x8.5' (nominal)
Which of the following is not a limitation of SIPs compared to WLF?
a. Panels must be manufactured perfectly square for successful installation [ b. The foam insulation provides concealed spaces in walls and roofs that can decrease fire endurance. ] c. pre-planning is necessary to locate electrical chases d. long term structural performance depends on the performance of the adhesives
What is the difference between piles and drilled piers?
a. Piers are used in clusters of three or more, piles are used individually. b. Piers are suited for conditions with the presence of water, piles are not. c. The technology for piles is less complex, so piles are generally more economical. [ d. Piles are smaller in cross section than piers, and the load capacity of an individual pile is also small. ]
How is surface water controlled?
a. Provide a French drain at the perimeter of the building. b. Backfill at perimeter with clayey soils to create a barrier to moisture. c. Apply water-proofing to all below grade walls. [ d. Provide sufficient slope to divert water away from the building. ]
Which is the true statement for protecting steel from corrosion?
a. Reinforcing steel does not required corrosion protection because it is encased in concrete. b. Bare steel is unacceptable in both interior and exterior steel. c. Steel in an exterior environment will automatically develop a protective rust coating and therefore do not required protection. [ d. A polyurethane coating can provide 20 year's protection. ]
What quality of cement is the slump test measuring?
a. Rod-ablilty b. Compatibility c. Finish-ability [ d. Workability ]
Which of the following might be appropriate for an urban excavation that extends to the property line?
a. Sheet piles with walers and inclined braces. b. Continuous bored concrete piles c. Soldier pile with WWR and shotcrete d. Soil nailed excavation support e. Anchored soldier piles
Which of the following is true for cold formed steel?
a. Sheet steel is pressed into various cross-section profiles at a high temperature to increase the strength b. Pressing into profile shapes decreases the sheet steel spanning capacity c. The higher the gage number, the thicker the sheet [ d. The lower the gage number, the greater the spanning capacity. ]
Which of the following is NOT a waste product from steel manufacturing and it's associated re-use:
a. Slag: a raw material for production of Portland Cement b. Slag: used in manufacture of insulation called slag wool c. Slag: a lightweight aggregate [ d. Slag: a lightweight cable ]
Which is the costliest fire-protection method?
a. Spray applied fiberglass and cement b. Encase in gypsum board [ c. Intumescent paint ] d. Encase in concrete
Which is the correct pair of reinforcing steel and the type of force it resists in concrete?
a. Stirrups: help resist cracking in slabs. b. Continuous spiral in columns: help resist tension from gravity loads. [ c. Bottom bars: help resist tension in beams due to gravity loads. ] d. Shear bars: help resist buckling in columns.
Which of the following building systems does not represent a bearing wall construction? not b or d
a. Structural steel columns and beams b. Wood light frame c. Reinforced masonry d. Concrete tilt-up wall
What does the term "frame construction" refer to?
a. The frame, load bearing walls, are used to provide the structural functions, resist loads, and the beams are used to define spatial organization. b. The frame (load bearing walls) perform both the structural functions, resisting loads, and the spatial organization. [ c. The frame (beams and columns) perform the structural function, resisting loads, and walls are used for spatial organization. ] d. The frame (beams) work with load bearing walls to provide the structural functions, resisting loads, and the columns are used for spatial organization.
Roman concrete added volcanic ash to the lime + sand + water mix. How did this change the resulting mortar?
a. The mortar set more quickly. [ b. All of the listed improvements. ] c. The mortar had greater durability d. The mortar had greater strength e. The mortar was water resistant.
Which of the following is NOT a requirement for a building with WLF over a podium?
a. The podium structure must be fully sprinklered b. The podium portion is permits all occupancies except H [ c. A minimum 2 hour fire separation is required for the building core. ] d. Number of below grade stories in the podium is not limited.
What does a high-slump result indicate?
a. The use of excess Portland cement b. The use of excess fine aggregate c. The use of excess air entrainment [ d. The use of excess water ]
Which of the following is an aspect that is NOT part of a zoning code?
a. The volume allowed for a building b. Occupancy types that are allowed in designated areas of a city [ c. The architectural style allowed in a district ] d. The proportion of the lot that can be built on
Flat-sawn lumber is dimensionally more stable than quarter-sawn lumber
a. They are equally dimensionally stable b. True [ c. False ]
What is the purpose of a building code?
a. To protect Time, Money and Labor b. To protect Occupants [ c. to protect Health Safety and Welfare ] d. To protect Owners
The type of construction that can be achieve with WLF is:
a. Type III A or Type III B b. None of the listed types c. Type V A or Type V B [ d. All four listed types ]
Fungal Decay can be prevented by:
a. Use naturally decay resistant species [ b. All of the options are possible strategies ] c. Control the supply of water in the wood d. Use preservative-treated lumber
Which of the following is NOT and advantage of a W-shape over a Steel joist?
a. W-shape beams are better able to accommodate changes of a concentrated load from it's designated location. b. W-shape beams have less surface area than joists and required less spray on fire protection than joists. [ c. W-shapes are easier to put in place because they use shear connections which are simpler to install. ] d. W-shapes are more economic to use when the floor or roof has a non-rectangular bays with different spans for adjacent beams
Which of the following conditions would make a mat foundation generally more economical?
a. When the bedrock is relatively close to the surface, but the water table is high. b. Where the foundation needs to be close to the property line. c. When the project is a low-rise, light frame building. [ d. If the excavation required for isolated footings in a building is more than 50% of the footprint of the building. ]
What factors determine the code-allowed height, number of stories and area of a building?
a. Zone district [ b. Sprinklered or not ] [ c. Frontage ] [ d. Occupancy classification ] [ e. Construction type ]
Tilt-up reinforced concrete walls are generally limited to what height?
a. about 35ft b. less than 100ft c. more than 20ft [ d. about 50ft ]
Commonly used beamless concrete floors are:
a. beam-and-girder floors [ b. flat -plate and flat-slab floors ] c. two-way joist floors d. all of these
Why aren't chases for utility pipes included in SIPs?
a. because that would be a reduction in the R-value of the panel b. because it would reduce the structural integrity of the panel c. because the location of plumbing varies in height and can't be pre-planned [ d. because exterior walls don't generally house the plumbing lines ]
In which direction is a nailed connection the weakest?
a. bending b. shear [ c. withdrawal ] d. compression
Which is the Architect's role in the use of trusses?
a. determine the detailed truss geometry b. prepare the truss shop drawing c. lift and install the truss on the building [ d. approves the truss shop drawing ]
Which of the following is NOT a characteristic of load-bearing masonry materials?
a. durable material b. fire-resistive [ c. waterproof ] d. mold-free
Steel reinforcement in concrete elements that are permanently exposed to the earth, such as in footings, must have a minimum concrete cover of:
a. equal to the bar diameter [ b. 3" ] c. 5" d. 2"
Particle size affects the performance of Portland cement because: (pick the only true statement)
a. finer particles result in a more workable mix. b. finer particles mean the formwork is filled with more detail. c. finer particles result in more entrained air for freeze/thaw resistance. [ d. finer particles result in more surface area to react with water. ]
Pre-cast concrete elements can be used for:
a. floors b. shear walls [ c. all of these ] d. bearing walls e. columns
Lumber used for structural framing of buildings in North America is generally derived
a. from hardwood species b. from both softwoods and hardwoods, depending on region [ c. from softwood species ] d. from both softwoods and hardwoods, depending on cost
Stirrups are used for reinforcing in which of the following cases?
a. in beams to provide compression reinforcement b. in slabs to provide support for shrinkage stress [ c. in beams to provide shear reinforcing ] d. in columns to provide buckling reinforcement
Double tee floors are commonly used:
a. in residential occupancies [ b. where spans exceed 50' ] c. where spans are 30'-40' d. where spans are less than 20'
Aluminum is commonly used as form and shore material because:
a. it is easily nailable for constructing formwork b. it has a light but soft material which increases is resistance to deformation. c. it is chemically compatible to bond with concrete. [ d. it is a strong but light material, which reduces the weight of the formwork. ]
Cross-graining makes a plywood panel:
a. less likely to split than solid sawn lumber b. dimensionally more stable c. stronger in the direction of the face veneer grains [ d. all of the listed answers ]
Which of the following can be made from glulam members?
a. long span beams b. heavy trusses [ c. All of the elements listed ] d. shaped arches e. columns
Which technological development and date led to the commercial production of plywood?
a. nails, 1850's [ b. waterproof adhesives, 1930's ] c. composite material analysis software, 1980's d. lamination process, 5000 B.C.
Which of the following is a disadvantage of reinforced-concrete bearing wall building system?
a. poor sound insulation b. promotes mold growth [ c. inflexibility in spatial organization ] d. poor fire resistance
The purpose of control joints in concrete slab-on-grade construction is to:
a. prevent frost heave b. all deflection from compressive stress. c. prevent all cracking in the slab [ d. allow the slab to crack in a pre-determined location ]
Which of the following is a method to protect steel decking from corrosion?
a. priming [ b. hot-dip galvanizing ] c. shot-crete entombment d. gypboard wrap
The primary reason for using post-tensioned concrete floors is to not d
a. reduce and prevent corrosion of reinforcement b. reduce floor depth c. improve safety against failure d. reduce and prevent cracking in concrete
Which of the following is NOT an alternative for providing lateral load resistance in a frame structure?
a. steel shear walls [ b. load bearing diaphragms ] c. rigid frames d. braced frames
The primary factor that determines the thickness of tilt-up reinforced concrete panels is which of the following?
a. stresses cause by in-service gravity loads b. stresses caused by eccentric dead loads c. stresses caused by in-service lateral loads [ d. the stresses caused during the lifting of the panels ]
Which of the following is a true statement about SIP's?
a. the insulation is not a structural bond to the panels b. structural loads are passed through one facing panel, not both. [ c. the insulating foam allows sound to easily travel through the panel ] d. in bending, only the core resists the stresses generated by bending
Concrete shell roofs are not commonly used because: not a
a. they require prestressing, which increases the cost b. none of these c. they require a high proportion of steel reinforcement. d. they required a relatively large volume of concrete compared to the floor area covered.
The top plate in a WLF wall generally consists of:
a. two 4-by members [ b. two 2-by members ] c. none of these d. one 2-by member
The basis for distinguishing lumber as either board, dimension lumber or timber is:
a. width of the cross-section b. wood species c. grade [ d. thickness of the cross-section ]
Unprotected glulams with a large cross-section are similar in fire rating to which other material?
a. wood light framing b. steel post & beam [ c. heavy timbers ] d. CMU bearing wall
