CM 1112 Test 2 - Masonry & Wood questions and answers

Which of these wood adhesive statements is correct?: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. Standard masonry mortar contains all but which ingredient listed. Nonpotable water Beams used in Heavy Timber construction are sometimes firecut. This is done to: allow the beam to rotate out of the wall if it burns through. Common lateral-force resisting systems in heavy timber structures are: a. knee braces. b. elevator shaft enclosure walls. c. diagonal brace. d. a and c only. e. all of these. e. all of these In heavy timber buildings, building services such as piping and wiring: 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. can be run in a furred layer between structural wall and interior finish might have to be left exposed if the structure does not provide cavities. 3 MULTIPLE CHOICE OPTIONS Which of these is an example of prefabricated framing techniques? Assembling walls in a factory A factory-built modular home is: typically cheaper than a same-size site-built house. Match the following statements to the BEST answer from the list of choices: Is also referred to as Portland cement. *Answer: Hydraulic Cement It is hardened by hydration, not dying. *Answer: Hydraulic Cement The process by which cements combine chemically with water to harden. *Answer: Hydration Remains a dry powder. *Answer: Hydrated lime Can either be natural sand or manufactured sand made from crushed stone, gravel, or furnace slag. *Answer: Aggregate Match the following statements to the BEST answer from the list of choices. Formed from particles deposited by wind and water *Answer: Sedimentary Formerly igneous or sedimentary rock transformed by heat and pressure *Answer: Metamorphic Developed in a molten state. *Answer: Igneous In the light gauge designation "250U050-54": U designates this as a channel. A lather is a tradesperson who works with: gypsum-based partitions. Which of these can extend from the top of one floor to the underside of the suspended ceiling above? Fire partition Which of the following phrases does not belong with the others? Rafter Where would you use Type X gypsum board? For fire-rated walls Which floor is more slip resistant? One with a COF of 0.9 What is the main benefit of using engineered wood flooring? It is dimensionally stable. A shaft wall: encloses stairs or elevators. Underlayment panels are associated with: finish flooring. Leads are constructed in brick and block wall construction to accomplish all of the following except:Select one: a. ensure that each course is level. b. accommodate lintel installation at openings in the wall. c. establish course height for other masons to follow d. ensure that the wall is straight.e. ensure that the wall is plumb b. accommodate lintel installation at openings in the wall. Lime is added to modern masonry mortars because: It improves workability Roof decks on low-slope roofs must:Select one: a. contain enough joints to accommodate thermal expansion and contraction b. be adequately stiff to resist excessive deflection c. resist wind uplift forces d. slope toward drainage points at an angle sufficient to drain reliably or accommodate tapered insulation that will slope towards drains all of the above If you see a jet burner or a diamond wire cutting stone at a quarry, which stone is most likely being cut? Granite What is the actual size of the face of the 6" CMU block shown in the accompanying image? 7-5/8" x 15-5/8" In a CMU loadbearing wall, the weakest component is the: mortar The effect of posttensioning a concrete masonry wall is to put the wall in: vertical compression Water permeability of paving can be improved by: Spacing conventional paving units and filling in gaps with sand The low-lift method and the high-lift method are different procedures for: grouting reinforced brick walls Which of these is an incorrect statement? Limestone has a higher compressive strength than granite You would be least likely to see a mason's apprentice (beginner) performing which of the following? Laying a lead (installing the bricks in a building's corner) Reducing embodied energy for bricks requires: using fly-ash and steam curing Joist hangers, rafter anchors, post caps, beam hangers, and framing anchors are often used to connect framing members in wood light frame construction. What material are they usually made of? Sheet metal (light gauge steel) Quartersawn wood is: more dimensionally stable than plainsawn wood In heavy timber buildings, building services such as piping and wiring can be run in a furred layer between structural wall and interior finishmight have to be left exposed if the structure does not provide cavities. Appearance grading is used to: grade flooring, trim, and the like and grade boards as superior Which of these is not a wood-certification organization? ASTM Basements and crawlspaces can be: insulated on the inside of the ated on the outside of the uninsulated (with added ventilation). Batter boards serve what purpose? They serve as reference marks for builders when foundation are being excavated and formed. Lumber that has its smallest dimension greater than 5½ inches is called: Timber You would be most likely to find leveling nuts near which item? column base plate Terrazzo flooring is a name for which kind of flooring? concrete tile Which of the following is not an example of resilient flooring? quarry tile Fire resistance of building assemblies is measured using: ASTM E119 Masonry partitions nowadays are most likely made of: concrete masonry unit (CMU) What is needed between the top of a nonloadbearing partition and the bottom of a structural member? slotted deflection track What type of water listed below is the best water to use in mortar mix? Clean, neutral pH, free of contaminants or organic material. Which of the following is a characteristic of molded bricks There are two different processes for molded brick; soft mud and dry-press. The size of concrete masonry block includes what in the nominal dimensions? Mortar joint This rough building stone is occurs naturally, found in rock masses, which one am I? Fieldstone The following are all aspects of the sustainability of masonry materials, except which one? Mining raw materials causes soil erosion and habitat loss. What do control and expansion joints do for masonry construction? Relieve stress due to movement by creating either space or flexural connection. Which of the following enhances the appearance of mortar? Pigments All the following are different ways to create a stone wall, except one, which one Mechanically fastened. Match the brick bond definitions to the correct term. -Alternating stretcher and header courses. -Alternating stretchers and headers in each course. -All stretcher courses -Stretcher courses, with a header row usually every fifth or sixth course - English Bond - Flemish Bond - Running Bond - Common Bond The following are all factors that Architects consider when selecting a stone product, except which one? Weight: some stones are denser than others and will impact the structural integrity of the building. Which of the following admixtures would you combine with mortar to adjust the curing time? Set accelerator/retarders What is the responsible element in the hardening of mortar? Hydration There are three types of masonry wall construction, they are listed below along with an impostor, select the impostor Masonry Veneer walls The designations for mortar types, in decreasing order of strength, come from every other letter in the phrase, "MaSoN wOrK". True Concrete masonry units, CMU, have a nickname, what is it? What were they previously called? Cinder block Match the correct masonry construction term to its definition .-Wall/Veneer ties-Weep Holes-Dampproofing-Flashings-Air space-Multiwythe Composite Masonry Wall-Multiwythe Masonry Cavity Wall-Masonry Loadbearing Walls Match the correct masonry construction term to its definition.-Wall/Veneer ties-Weep Holes-Dampproofing-Flashings-Air space-Multiwythe Composite Masonry Wall-Multiwythe Masonry Cavity Wall-Masonry Loadbearing Walls which of these decking types is not permissible in type IV-HT construction? box beams (joists with planking on top and bottom) A factory-built modular home is: a. only made of horizontally stacked modules. b. built on its own, permanent wheel chassis. c. typically cheaper than a same-size site-built house. d. often built in modules 16 ft wide. Typically cheaper than a same-size site-built house. Stressed skin panels (SSPs) and structural insulated panels (SIPs) are: a. assembled from wood and insulating material at the job site.b. highly resistant to flame/fire spread.c. premanufactured wood building components.d. always installed horizontally.e. used to distribute loads evenly on wood I-joists. Premanufactured wood building components. Trusses used for residential roofs are commonly made with: a. OSB and glue joints.b. glulam and bolts.c. dimension lumber and toothed plates.d. plywood and structural screws.e. dimension lumber and glued joints Dimension lumber and toothed plates. Which of the following would not be acceptable for use in a fire wall? a. Brick b. Wood studs and plywood sheathing c. Metal studs and gypsum board d. CMU (concrete masonry units, a.k.a. block) Wood studs and plywood sheathing A nominal 2 x 6 is shown in cross section. The measured perimeter is most nearly: a. 10 inches.b. 12 inches.c. 14 inches.d. 8 inches.e. 16 inches. 14 inches Lumber that has its smallest dimension greater than 5½ inches is called: a. timber.b. glue-laminated lumber.c. dimension lumber.d. decking.e. parallel strand lumber. Timber Exterior wall sheathing cannot: a. be left exposed as an exterior building surface.b. provide buckling restraint for studs.c. serve as a lateral force-resisting element.d. provide a nailing surface for siding.e. be made of oriented strand board (OSB). Be left exposed as an exterior building surface. Wood I-joists enjoy all these advantages over conventional dimensional lumber when used as floor or roof joists except: a. they are more fire resistant than conventional dimensional lumber.b. they can span farther between supports than conventional lumber.c. they use wood more efficiently than conventional dimensional lumber.d. they have greater dimensional stability than conventional dimensional lumber. They are more fire resistant than conventional dimensional lumber. Basements and crawlspaces can be: a. insulated on the inside of the walls.b. insulated on the outside of the walls.c. left uninsulated (with added ventilation).d. any of the above.e. none of the above. Any of the above