SPLBE-FLEA 2017 REFRESHER EXAMINATION (AREA-2) Subject:
Building Technology Technology ________ ___________________ _____________________ __________55 55 items
DATE VENUE INSTRUCTIONS
: June 30, 2017 (Friday) : American College of Dubai, Al Garhoud, Dubai, United Arab Emirates : Read and understand the questions carefully. Choose the BEST correct answer.
Strictly NO ERASURES on Answer Sheet 1.
What kind of building product uses phenol resin in its manufacturing process particularly assemblage?
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a. plywood c. glulam lumber b. laminated board d. all of these Which of the following materials is NOT a component of fiber cement board?
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a. cement c. coarse aggregates b. finely ground sand d. treated cellulose fibers A fastening or adhesive material in liquid form that has a holding capability which approximates that of a nail; an alternative material to nail but in liquid form. What is that common term? a. liquid fastener c. clamping screw b. glue nail d. liquid nail What property characterizes fiber cement board which makes it a good alternative to some common building board product such as plywood, particle board, medium density fiber board, etc.? a. high flame resistance rating c. impact resistant b. does not easily deteriorate when d. all of these exposed to water What kind of concealed hinge is used in cabinets where the door leaf is flush mounted along the edge of the cabinet; a thin opening can be seen between the edge of the cabinet its door leaf. a. overlap c. half lap b. inset d. quarter lap What term is used to describe that white, powdery deposit on the surface of a masonry wall, caused by the leaching and crystallization of soluble salts from within the material. This deposit may adversely affect adhesion and bonding of a material with the wall. a. efflorescence c. patina b. laitance d. lime deposit Based on the manufacturer’s specification and preparation instructions, what is the recommended neutralizer solution to water ratio? a. 1 pint of neutralizer per gallon of water b. 1 part neutralizer, 16 parts water c. 1 quart of neutralizer per liter of water d. 1 liter of neutralizer per 4 liters of water Which of the following fastening material is commonly used to fasten longspan roofing sheets on metal or wood purlins that is installed at standard spacing? It is characterized as having a flange or with an elastomeric washer to prevent leak along its side. a. flat head nail c. umbrella nail b. tekscrew d. tox and screw Which part in a building or house are ceramic tiles NOT recommended for installation or use? a. kitchen area b. terrace c. lanai d. area subject to heavy vehicular load such as driveway Which of the following items is NOT a component of a sliding door? a. flush bolt c. mortise hinge b. bracket/ hanger d. track What wood cutting process is commonly used to make plywood veneer?
a. bastard cutting c. rift cutting b. rotary cutting d. quarter tangential cutting 12. What tool is recommended for cutting fiber cement board? a. scoring knife or hand guillotine c. cross cut saw cutter d. hacksaw b. jigsaw 13. Fiber cement board may be used in any of the following applications EXCEPT ______________. a. external cladding b. eaves, fascia, soffits and ceiling c. internal wall partitions d. flooring 14. Which of the following is NOT a standard commercial size and thickness of fiber cement board?
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a. 1220 x 2440 x 3.5 mm c. 1220 x 2440 x 6.0 mm b. 1220 x 2440 x 4.5 mm d. 1220 x 2440 x 9.0 mm A kind of tile with water absorption of more than 0.5 percent but not more 3.0 percent. a. non-vitreous tile c. vitreous tile b. impervious tile d. semi-vitreous tile What do you call that part of a built-up steel section which is fastened to the flanges of a plate girder to increase its section modulus in areas s ubject to high bending stress a. Flange angle c. Cover plate b. Shear plate d. Web plate Which of the following steel beam-column connection which is made by welding or bolting the web of a beam to the supporting column or girder with two angles a. Framed connections c. Stiffened connection b. Seated connection d. Moment connection Which of the following is a trademark for a brand of steel pipe column, usually filled with concrete and used for axial loading a. Concased column c. Concrete reinforced steel b. Reinforced steel pipe column column d. Lally column In steel construction, a type of bracing system used to stabilize a structural element against lateral forces by means of diagonal or cross bracing a. Diagonal bracing c. X - bracing b. Lateral bracing d. Cross bracing An inexpensive type of resilient floor covering formed by coating burlap or canvas with heated linseed oil, powdered cork, and rosin, and adding pigments to achieve the desired colors and patterns a. Mosaic c. Linoleum b. Asphalt mastic flooring d. Carpet What do you call that method of construction in which a form is designed to move upwards slowly (usually by means of hydraulic jacks or screw jacks), supported by the hardened concrete of the wall section which was poured previously a. Tilt- up construction c. Composite construction b. Slip form method d. Membrane structure Concrete characterized by separation of an excessively wet or overvibrated concrete mix into horizontal layers with increasingly lighter material migrating towards the top a. Laitance c. Stratification b. Segregation d. Bleeding A flexible strip of rubber or plastic inserted across a concrete or masonry joint to prevent the passage of water. a. Waterstop c. Expansion joint b. Water barrier d. Control joint A concrete defect characterized by chipping or scaling of hardened concrete or masonry surface caused by freeze-thaw cycles or the application of deicing salts a. Honeycomb c. Crazing b. Spalling d. Drying shrinkage A form of wall construction consisting of wattles covered and plastered with clay or mud a. Dry wall construction c. Wallboarding b. Wattle and daub d. Plastering
26. In prestressed concrete construction, what do you call a type of tendon having a straight trajectory not coinciding with centroidal axis members a. Eccentric tendon c. Concentric tendon b. Harped tendon d. Draped tendon 27. What do you call a type of pre-cast concrete slab that is internally cored to reduce dead weight? This type of slab is suited for medium to long span floor application having uniformly distributed floor and roof loads a. Solid flat slab c. Cambered slab b. Hollow core slab d. Flat plate slab 28. Which of the following soil types has the highest allowable soil bearing capacity? a. Alluvial soil c. Sand and clay b. Firm clay d. Hard pan or hard shale 29. Which type of roof resembles a combination of half hip and half gable? a. Dutch hip roof c. Gambrel roof b. Mansard roof d. Hip valley roof 30. A description of a truss having all members forming a single plane a. Reticular truss c. Planar truss b. Funicular truss d. Compound truss 31. In a simply supported Howe truss, which member of the truss is subjected to tensile stress? a. Panel point c. Bottom chord b. Web members d. Top chord 32. The process of giving a wall a rough finish by throwing plaster against it is known as a. Troweling c. Dashing b. Stippling d. Daubing 33. Some of the advantages of pre-cast concrete are the following except a. Concrete quality can be c. Curing can be done more controlled more carefully effectively b. Less jobsite storage is required d. Lesser erection speed is possible 34. What do you call a funnellike device with a pipe or tube for depositing concrete underwater a. Sonotube c. Paper tubing b. Kraft tube d. Tremie 35. Pre-tensioning can be done in any of the following manner. Which of the following is not an advisable method used in pre-tensioning? a. Include two end abutments at the bed b. Prestress the tendons in the forms before pouring in the concrete c. Anchor both ends with hydraulic jacks d. Separate the members by cutting the exposed portions of the tendons with a welding torch 36. Stick system is a method used in construction. Which part of the structure where stick system is used? a. Glass and spandrel units c. Foundation system b. Slab units d. Suspended ceiling system 37. A type of soil stabilization method which uses galvanized wire basket filled with stones and used in constructing an abutment or retaining wall structure a. Geofabric c. Revetment b. Gabion d. Riprap 38. What do you call a tapered, semi- cylindrical roofing laid convex side up a. Tegula c. Rake tile b. Arris tile d. Imbrex 39. The following terms refer to concrete which is deposited in the place where it is required to harden as part of the structure, as opposed to pre-cast concrete. Which of the following does refer to the term being defined? a. Cast-in-place concrete c. In-situ concrete b. Cast-in-situ concrete d. All of these 40. What is the percentage of reinforcement range for a square tied column? a. 1 - 4% c. 9 - 11% b. 5 - 8% d. 12 - 15% 41. As stipulated in the ACI Code, which of the following is not a correct provision on lateral tie spacing? a. 16 db c. Not less than the least dimension b. 48 dt d. 1/18 height of column 42. The clear spacing between spirals shall not be les s than how many millimeters (clear spacing)? a. 25 mm b. 19 mm
c. 32 mm d. 40 mm 43. What is the minimum diameter of an axially loaded spiral column as provided in the ACI Code? a. 150 mm c. 250 mm b. 200 mm d. 300 mm 44. What is the minimum number of vertical for a spiral column? a. 6 - 16 mm Φ c. 4 - 20 mm Φ b. 6 - 20 mm Φ d. 4 - 16 mm Φ 45. In determining the theoretical thickness of a slab the formula used is S/L, where S is the shorter span and L is the longer span, if S/l ‹ 0.5, then the slab is said to be a. One- way slab c. Flat slab b. Two-way slab d. Continuous slab 46. What do you call a reusable metal or fiberglass mold used in forming a rib slab or a waffle slab? a. Collapsible metal form c. Pan b. Dome d. Coffering 47. Which of the following is not a kind of screed? a. Base screed c. Expansion screed b. Vented screed d. Wire screed 48. Where do you appropriately use a coping? a. Ceiling space c. Foundation base b. Exterior wall d. Column base 49. A truss rod in a truss is a member subjected to what kind of stress? a. Tension c. Torsion b. Compression d. Shear 50. A piece of lumber having dimensions of 2" x 6" x 18" is a. 216 bdft. c. 1.5 bdft. b. 18 bdft. d. 24 bdft. 51. Any of various pasty substances used as a sealant, adhesive or protective coating is known as a. Elastomer c. Plastic b. Rubber d. Mastic 52. What type of specifications stipulates the exact quantity of materials to be furnished and how they are to be assembled in a construction? a. Descriptive specification c. Performance specification b. Brand name specification d. Closed specification 53. The process of applying oily liquid of aromatic hydrate obtained by the distillation of solution, used for wood preservation. a. Tanalizing c. Wolmanizing b. Permanizing d. Creosoting 54. Which of the following is not among the sizes of a plywood? a. 3’ x 6’ c. 2’ x 7’ b. 4’ x 8’ d. 4’ x 10’ 55. What does PSL mean? a. Parallel Strand Lumber c. Pre-shrunk Lumber b. Philippine Standard Lumber d. Pre- stressed Lumber
