CM 1112 Test 3 M/C

A factory-built modular home is: Select one Select one: a. typically cheaper than a same-size site-built house. b. only made of horizontally stacked modules. c. often built in modules 16 ft wide. d. built on its own, permanent wheel chassis.

typically cheaper than a same-size site-built house.

The advantages of using light gauge steel framing members in lieu of wood framing members is they provide better thermal insulation than do wood members of the same size. Select one: True False

False

Which of these is an example of prefabricated framing techniques? Select one: Select one: a. Assembling walls in a factory b. Using let-in braces c. Single top-plates in walls d. Studs that go from foundation to roof e. Gluing down underlayment

a. Assembling walls in a factory

Which of the following terms is not associated with achieving longer spans in steel? Select one: Select one: a. Backup bar b. Castellated beam c. Plate girder d. Joist girder e. Rigid frame members

a. Backup bar

Which of the following has the principal function of providing lateral stability to a steel frame? Select one: Select one: a. Diagonal bracing b. High-strength bolts c. Shear connections d. All of the above e. Anchor bolts

a. Diagonal bracing

Composite steel decking reinforces the concrete slab in which direction? Select one: Select one: a. Perpendicular to beams and girders b. Composite decking is used only for roofs c. Parallel to the girders d. Only at the edges e. Parallel to the beams

a. Perpendicular to beams and girders

Shear panels or shear walls are sometimes used in steel-framed buildings. Which component of wood light frame construction serves the same function as a shear panel/wall? Select one: Select one: a. Wall sheathing b. Prefabricated roof truss c. Floor joist d. Rafter e. Exterior wall stud

a. Wall sheathing

Wood-concrete systems are efficient structural solutions because: Select one: Select one: a. a shear connector between the concrete and the wood allows both materials to act as a composite. b. adding concrete to a wood beam makes the beam stronger. c. otherwise CLTs could not be used structurally. d. concrete is better in tension than wood. e. concrete replaces some of the weaker wood.

a. a shear connector between the concrete and the wood allows both materials to act as a composite.

Steel production does not include: Select one: Select one: a. continuous casting of molten steel into W-shapes. b. electric furnace melting. c. coking of coal. d. reheating in a breakdown mill. e. disposal of slag.

a. continuous casting of molten steel into W-shapes.

Foundation dampproofing is most commonly installed: Select one: Select one: a. on the outside of the basement wall b. Basements do not need dampproofing beyond the basement wall itself c. on both the inside and outside of the basement wall d. on the inside of the basement wall

a. on the outside of the basement wall

Identify the header in the accompanying sketch. a. A b. D c. C d. B

b. D

Which of these wood adhesive statements is correct? Select one: Select one: a. Subfloor is never glued to joists. b. MDI adhesive does not contain formaldehyde. c. Structural glue joints are often made on the job site. d. The majority of wood glues comes from nonpetroleum sources. e. LEED does not reward the use of low-formaldehyde products.

b. MDI adhesive does not contain formaldehyde.

Which of the following is primarily responsible for preparing structural steel shop drawings, which show details of connections, exact spacing of bolt holes, anchor bolt sizes and locations, and so on, and for to the site steel components that are ready to be assembled without further processing? Select one: Select one: a. Steel erector b. Steel fabricator c. Architect/engineer d. Steel manufacturer (the mill) e. General contractor

b. Steel fabricator

Wood strength is affected by: Select one: Select one: a. the duration of the applied loads. b. all of the above. c. the species choice. d. defects like knots. e. the angle between load and grain.

b. all of the above.

Beams used in Heavy Timber construction are sometimes firecut. This is done to: a. to combat the effects of wood shrinkage. b. allow the beam to rotate out of the wall if it burns through. c. counteract wind uplift forces. d. to ensure that columns will not buckle in the event of a fire.

b. allow the beam to rotate out of the wall if it burns through.

A member on a steel drawing is identified as L5 x 4 x ?. This member is: Select one Select one: a. a wide-flange column. b. an angle. c. a channel. d. a wide-flange beam. e. a precast concrete lintel.

b. an angle.

Appearance grading is used to: Select one: Select one: a. a and b. b. c and d. c. grade dimension lumber. d. visually determine wood strength. e. grade flooring, trim, and the like.

b. c and d.

Exterior sheathing for noncombustible light gauge steel walls is typically: Select one: a. sheet metal b. gypsum board c. plywood d. masonry e. OSB

b. gypsum board

Wood shrinks Select one: a. its moisture content is reduced from 60% to 30%. b. its bound water is reduced. c. its moisture content increases from 10% to 20%. d. all of the above e. its free water is reduced.

b. its bound water is reduced.

Welded connections: Select one: Select one: a. only require gas, not electricity. b. none of the above. c. are usually weaker than bolted connections d. can be performed by unskilled workers. e. are not sensitive to weather conditions.

b. none of the above.

Hips and valleys are associated with: Select one: Select one: a. exterior shingle siding b. roofs c. premanufactured wood floor joists d. applying stucco e. stair framing

b. roofs

A heavy timber (type IV-HT) building is primarily fire-protected by: a. specifying wood only for nonstructural elements. b. specifying minimum wood cross-sections. c. adding paint-on fire protection. d. using only dense wood species. e. it does not have any usable fire rating.

b. specifying minimum wood cross-sections.

A significant benefit of I-joists and trusses over solid framing joists is: Select one: Select one: a. they never require bracing b. they allow for easier installation of building services (like ducts) in their plane c. they are typically heavier than a comparable joist or beam

b. they allow for easier installation of building services (like ducts) in their plane

Which of these techniques typically tries to eliminate jack studs? Select one: Select one: a. Prefabricated framing b. Balloon framing c. Advanced framing d. Platform framing

c. Advanced framing

What is the main difference between balloon and platform framing? Select one: Select one: a. Platform framing requires added fireblocking b. Attic framing is vastly different c. In balloon framing, studs extend from the foundation to the rafters d. Platform framing is used only for single-story houses e. Balloon framing uses only 8' long studs

c. In balloon framing, studs extend from the foundation to the rafters

Which wood-species statement is true? Select one: Select one: a. Hardwoods are always harder than softwoods b. Tamarack is a hardwood. c. Softwoods have a simple and uniform microstructure. d. Softwoods typically come from broad-leafed trees. e. Softwoods have vessel cell elements.

c. Softwoods have a simple and uniform microstructure.

Which of the following is not associated with achieving longer spans in Heavy Timber frame construction? Select one: Select one: a. The use of large beams (usually glulam) b. The use of rigid frames c. The use of pintels d. The use of arches and domes e. The use of trusses

c. The use of pintels

Which of the following would not be acceptable for use in a fire wall? Select one: Select one: a. Metal studs and gypsum board b. Brick c. Wood studs and plywood sheathing d. CMU (concrete masonry units, a.k.a. block)

c. Wood studs and plywood sheathing

Common lateral-force resisting systems in heavy timber structures are: a. a and c only. b. diagonal brace. c. all of these. d. knee braces. e. elevator shaft enclosure walls.

c. all of these.

The most important aspect of a high-strength bolt connection is: Select one: Select one: a. all of the above. b. heating of the bolts. c. tensioning of the bolts. d. adding nuts and washers e. using A307 bolts.

c. tensioning of the bolts.

Which of the following is not an acceptable means of making a steel column fire resistant? Select one: Select one: a. Wrap the column with layers of drywall. b. Encase the column in concrete c. Apply an intumescent mastic/paint d. All of the above are acceptable means of making a steel column fire resistant e. Use a water-filled box column

d. All of the above are acceptable means of making a steel column fire resistant

In the light gauge designation "250U050-54": Select one: a. 54 is the height in millimeters b. U designates this as a joist c. 050 refers to steel strength d. U designates this as a channel e. 250 refers to steel strength

d. U designates this as a channel

Which of these species is usually used where decay resistance is crucial? Select one: Select one: a. Hemlock b. Spruce c. Red oak d. Western red cedar e. Pine

d. Western red cedar

The accompanying sketch is a/an: a. an exterior elevation drawing b. building section drawing c. architectural floor plan. d. a framing plan. e. an interior elevation drawing.

d. a framing plan.

Light gauge steel buildings must be stiffened by: Select one: a. diagonally bracing walls b. adding stiffeners at ends of joists c. none of these are necessary d. all of these are necessary

d. all of these are necessary

Basements and crawlspaces can be: Select one: Select one: a. none of the above b. left uninsulated (with added ventilation) c. insulated on the inside of the walls d. any of the above e. insulated on the outside of the walls

d. any of the above

Exterior wall sheathing cannot: Select one: Select one: a. provide buckling restraint for studs b. provide a nailing surface for siding c. be made of oriented strand board d. be left exposed as an exterior building surface. e. serve as a lateral force-resisting element

d. be left exposed as an exterior building surface.

Bridging in wood light frame structures is associated with: Select one: Select one: a. top plates b. wall studs c. premanufactured roof trusses d. floor joists e. rafters

d. floor joists

When insulating light gauge steel walls, care must be taken to: Select one: a. use only plywood as exterior sheathing b. add insulation mainly to the inside (warm) face of the wall c. fill the wall cavity completely with batt insulation d. minimize thermal bridging

d. minimize thermal bridging

Open-webbed steel joists are usually used in a commercial steel-framed building to support: Select one: Select one: a. elevator shafts b. stairways c. joist girders d. roof decks e. elevator shafts f. loads above relatively wide openings (e.g., overhead doors).

d. roof decks

Anchor bolts are used in wood light frame construction to connect: Select one Select one: a. rafters to top plates b. steel beams to interior steel pipe columns c. stair stringers to stair treads d. sills to foundation walls e. foundation walls to foundation footings

d. sills to foundation walls

In the accompanying drawing, identify the rafter. Select one: a. B b. A and C are both rafters c. C d. This image does not show any rafters e. A

e. A

Which of these is not an example of a cold-formed steel product? Select one: Select one: a. Concrete prestressing strands b. Steel tubing c. Light-gauge C-channel d. Steel deck e. Steel angle

e. Steel angle

Wood-plastic composites use which as raw material? Select one: Select one: a. Glulam b. Roundwood c. Lumber d. Veneer e. Wood fibers

e. Wood fibers

In heavy timber buildings, building services such as piping and wiring: Select one: Select one: a.can be run in a furred layer between structural wall and interior finish. b. are located inside structural columns and beams. c. might have to be left exposed if the structure does not provide cavities. d. all of the above. e. a and c.

e. a and c.

Common lateral-force resisting systems in heavy timber structures are: Select one: Select one: a. diagonal brace. b. a and c only. c. elevator shaft enclosure walls. d. knee braces. e. all of these.

e. all of these.

On a drawing (blueprint), a building element is referred to as "W10 x 33." This element could be a: Select one: Select one: a. footing. b. two-way slab. c. building separation joint. d. mullion in a glass and aluminum curtain wall. e. beam.

e. beam.

The steel used for light gauge steel framing differs from the steel discussed in Chapter 11 ("Steel Frame Construction") in that light gauge steel is: Select one: a. always solid, with no openings for wiring, plumbing, and so on b. more susceptible to corrosion c. never produced in the United States, due to environmental concerns d. has superior insulating ability e. cold-rolled.

e. cold-rolled.

Weathering and stainless steels are examples of: Select one: Select one: a. wrought iron. b. heat-treated steel. c. structural steel. d. cast iron. e. steel alloys.

e. steel alloys.