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Building Technology A ________ is used to force open boards used in forming concrete. Pry bar Are diagonals which support the wales and soldier piles bearing on heel blocks or footings bracing or rakers Are galvanized or PVC coated wire baskets filled with stones and stacked to forman abutment or re...

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A ________ is used to force open boards used in forming concrete. Pry bar Are diagonals which support the wales and soldier piles bearing on heel blocks or footings.Cross bracing or rakers Are galvanized or PVC coated wire baskets filled with stones and stacked to forman abutment or retaining structure. Gabion Are machines that lift large and heavy materials.Cranes Are processes that change land elevation and slope by filling in low spots and shaving off high spots. Grading Is a special type of handsaw that has a very thin blade and makes verystraight cuts such as those on trims and moldings.Backsaw Batter boards should be carefully leveled with a carpenter’s level or a________ and the height must be a little higher that the top of the finished foundation. Transit Before any design is made, the architect is required to get as much valuable data about site excavation and building erection at the project location in order to be able to determine the character of the materials which will be encountered at the level of a foundation bed. Site investigation A chisel that trims metal. Cold chisel Consists of water rods that are inserted through the form and threaded onto the ends of an inner rod. Shebolts For excavations that are carried no deeper than the proposed level, the underlying material may be investigated by. Test borings For shallow work, an open pit is the most suitable method since it calls for an actual inspection of the undisturbed material over a considerable area. Test pits Fresh concrete must be shaped and supported by_______ until it cures and can support itself. Formwork Ground slopes over _____% are subject to erosion and may be difficult to build on. In order to protect the soil from eroding. 25% Has an X-shaped tip and is used to turn Phillips-head screws only. Phillips screwdriver Heavy timber planks joined together horizontally to retain the face of an excavation. Lagging In column forms, these are clamping devices for keeping column forms and tops of wall forms from spreading under fluid pressure of newly placed concrete. Yokes In forms, these are used where a smooth surface is required. Plywood In wall forms these are usually in wood of wood, spaced and keep the wall forms apart. Spreaders Is a cellular framework of squared steel, concrete, or timber members, assembled in layers at right angles, and filled with earth or stones. Cribbing Is a circular saw mounted over a small table used to cut various angles in wood.Power miter saw Is a heavy hammer used to drive stakes into the ground and to break up concrete and stone.Sledge hammer Is a layer of irregularly broken and random-sized stones placed on the slope of an embankment.Riprap Is a layout tool that is used to measure 90-degree angles at the corners of framework and joints. They can also be employed to determine cutting angles on dimension lumber. Framing square

25. Is a long, straight tool that contains one or more vials of liquid and used to determine if the horizontal or vertical is exact.Level 26. Is a machine used for digging or scooping earth from a place and depositing it in another.Excavator 27. Is a process of transferring a portion of the load of the wall to temporary footings and done when the excavation does not go much below the adjoining footings and when the material is fairly solid. Shoring 28. Is a process where needles or girders are used in cases where part or all of the weight of the wall has to be carried, as when the old footing is removed and the wall underpinned or carried down to a new footing at a greater depth.Underpinning 29. Is a term that refers to large, complex tools and machines that is designed to do a particular job.Construction equipment 30. Is a type of gravity retaining wall formed by stacking modular, interlocking pre-cast concrete units and filling the voids with crushed stone or gravel.Bin wall 31. Is an equipment used by surveyors to measure horizontal and vertical angles to obtain land elevation.Transit 32. Is an equipment which moves materials other than fluids.Conveyors 33. Is an ordinary hammer used to drive or remove nails.Claw hammer 34. Is an equipment which is very large and very powerful.Heavy equipment 35. Is flashes a narrow, accurate beam of light to make a baseline for additional measurements and is used as a level or as an alignment tool. Construction laser 36. Is that which to determine an unidentified elevation from a known one. Surveyor's level 37. Is that which relies on a pushing force rather than a twisting force. Spiral ratchet screwdriver 38. Is the natural material on which the construction rests.Foundation bed 39. Is the process of compacting the soil on which the structure will rest.Stabilizing the soil 40. Is the process of digging the earth to provide a place for the foundation of the building.Excavating 41. Is used for crosscutting wood and consists of a motor-driven saw blade that is hung on an arm over a table. Radial arm saw 42. Is used for cutting large sheets of wood and wood composites and consists of a blade mounted on an electric motor beneath a table-like surface. Table saw 43. Is used for cutting materials that are difficult to cut with stationary tools. Portable circular saw 44. Is used for marking lines. Chalk line 45. Is used to cut across the grain of wood. Crosscut saw 46. Is used to measure relatively long distances such as those in highway construction. Digital rule 47. It is a kind of form ties, have notches or crimps that allow their ends to be snapped off below the concrete surface after stripping off the forms. Snap ties 48. It is a power toll that is used to install and remove screws. Screw gun 49. It is power tools that is used to drill holes in wood, metal and concrete. Power drill 50. Materials for forms and shoring construction are ________and ________. Lumber and steel 51. Oil should not be used, however, on forms against surfaces which are to be _______, as oil prevents adhesion of the plaster. Plastered 52. Power tools that is used to break up concrete or asphalt paving. Jack hammer 53. Process of lowering a water table or preventing an excavation from filling with ground water. Dewatering

54. Slope protection like plant materials that inhibit or prevent erosion by providing a ground cover and forming a dense network of roots that bind the soil. Soil binders 55. The first stage to be done in construction is? Staking-out the building 56. The lower portions of walls, piers or columns which are spread to provide a safe base are called. Footing courses 57. The plywood should be waterproof, Grade ____ and at least ½” thick for forms. Grade a 58. This are secured to rock or soil anchors are resorted to when cross bracing or rakers would interfere with the excavation procedure. Tiebacks 59. To support beam and slab forms while concrete is being poured and cured, temporary supports called ________ are used. Shoring 60. When a desired change in ground elevation exceeds the angle of repose of the soil, a retaining wall becomes necessary to hold the mass of earth on the uphill side of the grade change. Retaining structures 61. Which are steel H-sections driven vertically into the ground to support. Soldier beams 62. Has a chisel-like teeth designed for ripping or cutting with the grain of wood. Ripsaw 63. _______of the materials forming the foundation bed are made to assist in determining its safe bearing capacity.Loading test 64. _______ are horizontal boards used to establish the height of the finish foundation and to support the guidelines for the excavation of footing trenches. Batterboards 65. _______ is used to drive finishing nails below the surface of a wooden trim or molding. Nail set 66. _______ may be in the form of pans for concrete joist construction or steel decking or corrugated steel for concrete slabs and slab-joist construction. Steel forms 67. Is used to cut metals. Hack saw 68. Is used to trim wood and clear away excess material from wood joints. Wood chisel 69. Used to prevent concrete from adhering to the wood and preserve the forms against damage by alternate wetting and drying. Crude oil and petroline 70. Is used to turn round objects like pipes. Pipe wrench 71. Is like an electric drill that operates with both rotating and reciprocating actions and is used to drill holes in concrete. Rotary hammer 72. Has a flat tip and is designed to fit a standard slotted screw. Standard screwdriver 73. Are those that employ power supplied by forces other than that coming from humans.Power tools 74. Is used to place and trim mortar between bricks or concrete blocks. Brick trowel 75. Is used to smoothen out the surface of wet concrete. Bull float 76. Are the tools that use power delivered only by man.Hand tools

Building Utilities 77. On elevators, a gear-driven machine having a drum to which the wire ropes that hoist the car are fastened, and on which they wind. Winding-drum machine 78. The other type of flame detector other than the ultraviolet type. Infrared 79. What combination of pipe fittings is installed at the base of a soil stack? Wye and 1/8 Bend 80. Minimum distance of a water supply well from a seepage pit or cesspool. 45.70 meters 81. Minimum distance of a water supply well from a septic tank. 15.20 meters 82. In theater stage house, a weight usually of iron or sand used to balance suspended scenery, or the like. Counterweight 83. Minimum width of a septic tank. 90 cm 84. Minimum length of a septic tank. 1.50 meters 85. Minimum liquid depth for a septic tank. 60 cm 86. Maximum liquid depth for septic tank. 1.80 meters 87. Maximum height of a water seal for each fixture trap. 102 mm 88. Minimum height of a water seal for each fixture trap. 51 mm 89. Maximum length of the tailpiece from any fixture. 60 cm 90. Minimum extension of the VSTR above an openable window, door opening, air intake, or vent shaft. 0.90 meter 91. Minimum distance of a water supply well from a disposal field. 30.50 meters 92. Minimum trap diameter for a shower stall. 51 mm 93. Minimum dimension of a manhole access to a septic tank. 508 mm 94. Minimum extension of the VSTR above the roof. 15 cm 95. Consist of a flyball or flyweight device designed to stop an elevator. Governor 96. What type of sound absorbent is best for lower band frequencies?Porous Absorbents

97. The bending of sound wave when traveling forward changes direction as it passes through different densities. Refraction 98. Minimum Gauge of galvanized sheet used for downspouts. 26 99. Minimum length of the secondary compartment of a septic tank with a capacity of more than 6 cubic meters. 1.50 meters 100.Minimum capacity, in cubic meters, of the secondary compartment of a septic tank. 1.50 meters 101.The amount of heat which is absorbed or evolved in changing the state of a substance without changing its temperature. Latent heat 102.Minimum trap diameter for a bathtub. 38 mm 103.Treats hard water. Zeolite 104.Vertical tracks that serves as a guide for the car and the counterweight. Guiderails 105.Single lever valves used in kitchen sink and lavatory faucets or at shower valves works by the principle of a ______. Ball valve 106.In boilers, they function only when it exceeds prescribed unsafe operating conditions. Limit Controls and Interlocks

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BuildingSystem: Mechanical – Electrical  

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What is the rating index of an air-conditioning / refrigeration system which rates the unit for the number of BTU’s of heat removed per watt of electrical input energy (EER)? A. Energy Efficiency Rating B. Energy Efficiency Ratio C. Effective Energy Rating D. Effective Energy Ratio A graph used in air-conditioning and showing the properties of air-system mixtures. A. Psychometric Chart B. Hydrograph C. Humidity Graph D. Temperature Grid It is analogous to pressure in water flow. A. Current

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B. Voltage C. Resistance D. Power Alternating current is characterized as having _______. A. Average value is zero B. Has frequency C. All of these D. Positive and negative polarity

Which type of refrigerant is recommended for residential, commercial, and industrial application using split type air-conditioning system? A. R-23 B. R-12 C. R-11 D. R-22 The conductors and equipment for supplying electrical energy from the main of feeder, or from the transformer to the area served. A. Service B. None of the choices C. Entrance cable D. Auxiliary A branch of acoustics that involves the control of noise pollution, environmental noise, which include motor vehicles, aircraft noise, etc. A. Psychologicalacoustics B. Musical acoustics C. Environmental acoustics D. Architectural acoustics The typical truss configuration used in the installation of an escalator. A. 3 sections truss B. 2 section truss C. 4 section truss D. 5 section truss Also called “transfer box”. A. Cut-out box B. Pull box C. Junction box D. Outlet box Which of the following factors affect/s room acoustics? A. Room cavity B. Seating and other furnishings C. All of the above D. Shape and proportion of room Aheavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, and distributing large electric currents, also called a “busbar”. A. Race B. Conduit C. Circuit D. Bus

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It characterizes short circuit. A. High resistance, low current B. High resistance, high current C. Low resistance, low current D. Low resistance, high current An excellent solution for especially noisy apparatus such as refrigeration compressor is. A. Cover the equipment with insulation material B. Use a separate equipment foundation that rests on the ground and is independent of the building structure C. All of these D. Separate its location from the building being served Equivalent in mm sq. of 500 MCM wire. A. 125 mm sq. B. 250 mm sq. C. 300 mm sq. D. 400 mm sq. Which has a larger dimension? A. EP B. MTS C. Automatic contractor D. ATS Atransient variation in current and / or voltage at a given point in a current. A. Potential difference B. Surge C. Lightning D. Short circuit What type of elevator is best used in hospitals and hotels? A. Passenger Elevator and Dumbwaiter B. Freight and Dumbwaiter C. Passenger Elevators only D. Freight and Passenger Elevator It prevents passengers from falling into the hoist way when they try to get out of the car which is stopped between the floors. A. Fascia Plate B. Weighing Device C. Handrail Guard Switches D. Sheave Acoustics is a science that concerns with ______. A. Effect of sound waves B. All of these C. Transmission of sound D. Generation of sound

Arigid metal housing for a group of heavy conductors insulated from each other and the enclosure, also called Bus duct. A. Busbar

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B. Runway C. Raceway D. Busway Vertical tracks that serves as a guide for the car and the counterweight. A. Counterweight B. Guiderails C. Winding-Drum Machine D. Sheave This color is particularly cheerful and improve mental clarity. A. Green B. Red C. Blue D. Yellow This color is conducive to relaxation and tranquility. A. Red B. Green C. Yellow D. Blue

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The air curtain is installed and located at the building’s entry / exit for what reason. A. To maintain cooling system inside a room B. To serve as an exhaust for mechanical ventilations C. To enhance cooling system of AC’s D. To act as ventilator

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In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure. A. Air Terminal B. Protective Assembly C. Lightning Rod D. Ground Rod In theater stage house, a weight usually of iron or sand used to balance suspended scenery, or the like. A. Weighing Device B. Counterweight C. Guide Lock D. Sheave It is the product of surface area (sq. ft.) and sound absorption coefficient (SAC). It has the unit Sabin A. Sound amplification B. Noise reduction C. Sound absorption D. Sound attenuation

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Elements of acoustic, except for? Sound subdivision The repetition of a sound produced by the "reflection of sound waves" from an obstructing surface, loud enough and received late enough to be perceived as distinct from the source? Echo The intensification and prolongation of sound produced by sympathetic vibration? Resonance A driving force in tune with the natural frequency? Resonance Unit of loudness level? Phon Defined as "that attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to "LOUD"? Loudness The volume of the sound? Amplitude The unit of the sound? dB Unwanted sound? Noise If a sound can travel between concrete walls, does sound can travel under the water? Yes’ The number of occurrences of a repeating event per unit time? Frequency Speed of sound? Velocity A so called "One energy, one frequency". A tone with a sinusoidal waveform? Pure The "persistence" of sound in a particular space after the original sound is produced? Reverberation If sound is visually seen by the human eye and it is striking against a curve wall and reflects back somewhere from the source. What quality of sound does it represents? Creep Let’s assumed you are a diver. You dive in about 4 stories high vertically. When you hit the water, your direction tends to change in different angle. Your overall jump strokes describes what quality of sound? Refraction You were commissioned to design a music room. What flooring surface are you going to apply? Carpet A showroom with an industrial look is having a problem with acoustic, what should you propose? Install acoustic ceiling What is the BEST way to reduce air-borne sound? Use absorptive materials For a music hall with a lot of audience, what is the best flooring material? Carpet tile The range of sound a human ear can detect? 20-20, 000 hz What is an octave?Interval between one musical pitch and another with half or double its frequency What is the ratio of frequency to sound? 1:2 It usually implies sound absorptive treatment? Acoustical treatment Rectangular rooms with flat parallel walls have poor Diffusion. True The more reflective the surface the greater the sound Diffusion. True A _____ reflective surfaces increases diffusion, they do so by scattering the sound. Convex A _____ weight elements transmit little sound and are more reflective. Heavy

29. A ______ is a room with a lot of soft furniture, heavy carpeting and drapes and the peaks and valleys of the frequency response typically vary by 5-10 dB.Dead room 30. A ______ is a room with bare walls and floor, and the peaks and valleys vary 10-20 dB or more. Live room 31. Corkboard, foam or Styrofoam or any material which has this property like draperies on the walls and carpets on the floor are _____. Sound absorber 32. Pilasters, piers, balconies ornamentation, exposed beams are example of? Sound diffusers 33. To prevent an echo the path length of difference between the direct sound & the reflected sound to a listener should not exceed ____ meters? 20 meters 34. In auditoriums the audiences are the largest contributor to total sound absorption, sparsely spaced seats provides greater sound absorption than those that are closely spaced because of the diffraction effect. True 35. Panels of wood, glass, gypsum board, and plaster on lath, absorb low frequency sounds well but have little absorption at high frequencies. True or False? True 36. Identify what kind of wall is a good sound Barrier for noise? 150 mm thick poured concrete 37. Common materials used as vibration isolators? Rubber/cork/glass fiber pad 38. Public corridors serve as buffer zones between apartments but the doors into them often permit noise to intrude. This is especially true if the doors are poorly sealed, with large gaps at the bott...