Podcast
Questions and Answers
When selecting concrete for a project, which property is NOT a primary consideration for hardened concrete?
When selecting concrete for a project, which property is NOT a primary consideration for hardened concrete?
- Strength
- Workability (correct)
- Water-tightness
- Durability
What type of masonry unit is specifically designed to span the thickness of a wall?
What type of masonry unit is specifically designed to span the thickness of a wall?
- Rowlock
- Header (correct)
- Stretcher
- Soldier
For general construction purposes, what are the standard dimensions of a plywood sheet?
For general construction purposes, what are the standard dimensions of a plywood sheet?
- 3' x 6'
- 5' x 10'
- 4' x 6'
- 4' x 8' (correct)
Which of the following percentages represents the approximate thickness of plyboard?
Which of the following percentages represents the approximate thickness of plyboard?
Which loose-fill insulation material is known for its lightweight properties and is often used in attics and walls?
Which loose-fill insulation material is known for its lightweight properties and is often used in attics and walls?
Considering their reaction to high temperatures, which material is more suitable for fire-resistant construction?
Considering their reaction to high temperatures, which material is more suitable for fire-resistant construction?
Given equal volumes of different materials, which is generally the heaviest?
Given equal volumes of different materials, which is generally the heaviest?
When calculating lumber quantities, what is the board foot measurement for a piece of wood with dimensions 2" x 4" x 12"?
When calculating lumber quantities, what is the board foot measurement for a piece of wood with dimensions 2" x 4" x 12"?
What process helps minimize shrinking and expanding in wood used for construction?
What process helps minimize shrinking and expanding in wood used for construction?
What property of tempered glass makes it suitable for use in bus windows?
What property of tempered glass makes it suitable for use in bus windows?
In construction, what type of concrete finish is typically used for surfaces exposed to view, requiring a high level of aesthetic quality?
In construction, what type of concrete finish is typically used for surfaces exposed to view, requiring a high level of aesthetic quality?
Which of the following materials is used to fill cavities and improve the bond between masonry units?
Which of the following materials is used to fill cavities and improve the bond between masonry units?
In plastering, what is the primary purpose of the scratch coat?
In plastering, what is the primary purpose of the scratch coat?
What is the main function of 'batter boards' in the context of building construction?
What is the main function of 'batter boards' in the context of building construction?
When a building's footing must be placed adjacent to a property line, which type of footing is best suited to avoid encroaching on the neighboring property?
When a building's footing must be placed adjacent to a property line, which type of footing is best suited to avoid encroaching on the neighboring property?
Flashcards
Workability
Workability
The ability of fresh concrete to be easily placed and consolidated.
Header
Header
A masonry unit extending over the thickness of the wall.
Slump test
Slump test
A test to determine the consistency of concrete.
Vermiculite
Vermiculite
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Seasoning
Seasoning
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Voids
Voids
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Tempered Glass
Tempered Glass
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Mortar
Mortar
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Scratch Coat
Scratch Coat
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Finish Coat
Finish Coat
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Sump
Sump
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Lagging
Lagging
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Staking out
Staking out
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Space Frame
Space Frame
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Web Member
Web Member
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Study Notes
- Hardened concrete, desired properties include workability
- A brick or block masonry extending over the wall thickness is called a header
- Plywood’s common size is 4” x 8”
- 36% is the thickness of plyboard
- Vermiculite is a lightweight aggregate
- Concrete is more fire-resistant
- Concrete is heavier when given the same volume
- 8 bd. ft. is the board foot in a 2” x 4” x 12” wood
- Seasoning prevents wood from shrinking and expanding
- Voids left in concrete are due to mortar failure to fill spaces among coarse aggregate particles
- Timber is bigger than Honeycomb
- Slump test determines the consistency of the concrete
- Aluminum is more resistant to corrosion
- Stainless is resistant to corrosion, Yes
- Tendon is a steel strand used for prestressing a concrete member
- 150 pcf is the weight of concrete
- Granite is harder
- Tempered glass is used in buses
- Tempered glass is more expensive than annealed glass because its creation goes through more processes
- The statement "Tempered glass is more expensive than annealed glass because it has to go through more processes in its creation" is true
- Architectural concrete is exposed as an interior or exterior surface in a completed structure
- Tempered glass breaks into small, square pieces when broken
- Terrazzo does not fall under the category of Masonry
- Ceramic tile is the most impressive burned unit clay
- Adobe is sun-dried brick made of clay and straw and commonly used in countries with little rainfall
- Mortar is the material that fills the cavities between wythes or masonry
- Laminate bonds together in layers
- Epoxy is used in buildings for its remarkable adhesive qualities and for special paints that are chemically resistant and for special caulking compound
- Polyester is a reinforced glass-fiber translucent panel that is strong, rigid, impact-resistant, used for impregnating paper and wood, as laminating material, and for contact adhesive
- Nylons are polymers called linear polyamides desired for their strength, elasticity, abrasion resistance, ease of washing, resistance to damage from chemicals and resilience
- Flitch beam has the steel component among wood beams
- Polystyrene, despite its sensitivity to solvent action, is a thermoplastic and is known for excelllent transparency, rigidity and moldability, generally can be found in colorful, but brittle wall tiles
- Polystyrene combines the transparency of glass with shatterproof quality and is used for skylights, skydomes, safety glass, paints, etc
- Acrylics are used for adhesives and in finish hardware & lighting fixtures
- Urethanes are used as thermosetting plastic in paint coatings and as self-adhesive foams
- Silicones are thermosetting plastic used for clear, water-repellant paints for concrete and masonry surfaces above grade
- Phenolics are thermosetting plastic that is used for paints, baked enamels, adhesives, impregnating resins for paper and wood, and finish hardware?
- Mortar is a cement mix used to glue masonry units to each other or other surface finishing materials
- Plaster is a mortar of cementitious material ((lime, gypsum or cement), sand and water which is applied in coats (layers) to masonry surfaces, lath or various types of plaster board to give a hard finish surface to interior or exterior walls and ceiling
- Scratch Coat is the first binding coat in plastering
- Brown Coat is the second straightening coat in plastering
- Finish Coat is the final coat in plastering
- Lime Plaster uses lime putty mixed with sand and gypsum plaster and is used for two and three-coat finish surfaces for interior walls and ceilings
- Gypsum Plaster uses Plaster of Paris mixed with clay, lime, and other materials and is used for two to three-coat finish surfaces for interior walls and ceilings
- Lightweight Gypsum Plaster is gypsum plaster mixed on the job with water, perlite, vermiculite or other suitable mineral aggregate
- Lightweight Gypsum Plaster is used when weight is important and for fire-proofing other materials and is applied on lath and is for interior use only
- The thickness of plywood used for ceiling purposes is ½”
- Hulog is the Filipino term for plumb line
- Staking Out is the process of relocating the point of boundaries and property line of the site whre the building is to be constructed
- Stakes are wooden sticks used as posts sharpened at one end driven into the ground to serve as boundaries or supports of the batter boards
- String is either plastic cords or galvanized wires strung across batter boards and used to indicate the outline of the building wall and foundation
- Batter Boards are horizontal boards that established height of the footing trenches and foundation and height of finish floor levels
- Lagging is the planks placed between soldier beams to retain earth around an excavation
- A tremie is a large funnel with a tube attached to deposit concrete in deep forms or beneath water or slurry
- Backfill is the earth or earthen material used to fill the excavation around a foundation
- A sump is a pit designed to collect water for removal from an excavation or basement
- Cantilever Footing should be used in the footing lies along the property line
- Mill Construction is a building type with exterior masonry bearing walls and an interior framework of heavy timbers and solid timber decking
- Pile Foundation is a system of end bearing or friction piles, pile caps, and tie beams for transferring building loads down to a suitable bearing stratum
- The function of Pile Foundation is to join the heads of a cluster of piles
- Pile Cap is meant to distribute the load from a column or grade beam equally among the piles
- Pole Foundation elevate timber structure above the ground plane, require minimal excavation, and preserve the natural features and existing drainage patterns of a site
- Balloon Framing is a system of framing a building in which the studs are continuous to roof
- 100 mm is the Minimum slab thickness
- 75mm is the Minimum concrete cover for steel reinforcement when concrete is cast against and permanently exposed to earth
- 38mm is the minimum concrete cover required in beams to protect steel reinforcement from fire and corrosion
- One-Way Slab is uniformly thick, reinforced in one direction, cast integrally with parallel supporting beams
- Ribbed Slab is not a two way sitecast concrete framing system
- Two-way slab is most efficient when spanning square or nearly square bays and carries intermediate to heavy loads
- Two-way flat plate is a concrete slab of uniform thickness reinforced in two or more directions and supported directly by columns without beams or girders
- Two-way flat slab is flat plate thickened at its column supports to increase its shear strength and moment-resisting capacity
- One-way beam system : Each pair of external columns supports a long spanning beam or girder
- Two-way beam system consist of a steel framing system consisting of two layers where beams frame into girder
- Three-way beam system consist of framing system where long -spanning plate girders or trusses can be used to carry the primary beam, which in turn support a layer of secondary beams
- Open-web steel joint is Lightweight shop fabricated steel members having a trussed web
- Zees : Cellular Decking is not frequently used in building construction except for the fabrication of steel windows and other frames
- I-beam is uneconomical to used as columns because its whirl or revolving action of the member about an axis through the centroid of web is comparatively small
- Channels is One of the steel sections has the shape of unsymmetrical balance consisting of two flanges on one side, they required lateral support and it could be suitable for framing around floor openings, spandrels and lintels
- The meaning of W12x24 for a wide flange section is that The flange has depth of 12cm and weight 24kg per meter length
- Built-up columns are H-shaped section formed by a combination of plates and angles
- Tally column is Columns made up of a cylindrical steel pipe shell filled with 1-1-2/2:3 Portland cement concrete
- Composite Column : Columns in which a concrete core is further reinforced with a steel or cast-iron core designed to support a part of the load
- Members framed between and join the top and bottom truss members are called Web Member
- Cantilever Span: A truss where the entire support is at one and only
- Rigid Frame consist of two columns and a beam or girder that are rigidly connected at their joints
- Rivet is a short pin, of malleable metal used to unite two metal plates
- Fillet Weld is a type of weld of approximately triangular section joining two surfaces approximately at right angles
- Slurry Wall, Sheeting is the most common method is intentionally installed for permanence
- Space Frame: Structure system assembled oflinear elements is 3 dimensionally transferred
- Tensegrity refers to Steel dome structures having members that follow three principle set of great circles intersecting at 60 deg.,
- Geodesic Dome subdivide the dome surface into a series of equilateral spherical triangles
- R. Buckminster Fuller: R. Buckminster Fuller was an American neo-futuristic architect, systems theorist, author, designer, and inventor of geodesic dome
- Shell Structure refers to A thin curved plate structure usually constructed of reinforced concrete with steel mesh
- Plate Structure: Often monolithic structures are a multidirectional pattern which commonly disperse applied load across its load
- Folded Plate: thin, aligned, and deep angles that brace against lateral buckling
- Space Frame: Three dimensional frames of rigidity and a triangle and compose from linear elements
- Deployable Structure are transformable structures capable of performing large shape changes
- Precast Concrete is constructed by casting concrete in a reusable mold or “form” and is cured in a controlled environment and transported to the construction site and lifted into piece
- Reduced Impact on residents is not an advantage of precast concrete
- Large Panels system are multistory structures composed of large walls and floor concrete panels connected in the vertical and horizontal directions
- Tilt-up construction is a highly technical way of building on sites with little room
- None of the above The statement is not true about Tilt-up construction
- Pneumatic Structure are structures which are supported by air
- Shoring performs The process of placing new foundation beneath an existing structure
- 4 is the answer to the board foot of 2"x2"x12′?
- 0.45 cu M is the required volume of sand for concrete slab measuring 3.00m x 3.00m x0.10m using Class C
- 0.9 cu.m is the Identify the required volume of gravel for concrete slab measuring 3.00m x 3.00m x0.10m using Class c mixture
- When building a wall 3.00m high and 10.00m long you will need 325 pcs of CHB
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