Building UtilitiesTaken from UST Architecture Undergraduate Assessment Test (USAT) by Arch. Rafael AlliRecommended review material for UST Preboard ExamPrepared by: arkireviewph.multiply.com

.1.Mho as used in electrical systems calculation is defined as _______.a. the reciprocal of ohmb. A unit of inductancec. A unit of resistanced. The reciprocal of siemen

OHM - is a unit of resistance

.2. A unit of mechanical power is horsepower. What is electrical power? WattVolt-ampere AmpereBoth a and b

Volt-ampere : volt-electrical potentialAmpere: electrical current

3. The following are basic component parts of an escalator except____.Balustrade assemblyContinuous beltStep assemblygovernor

4. In lighting and illumination calculation, what is the unit for lux? 1/ candela per sq.m.1 lumen per sq.m.1/ candela per sq.ft.1 lumen per sq.ft.

Candela - SI unit of light intensitySI unit - one of the basic units of the International System of Units1 lumen per square foot - foot candle

5. The first section of water supply piping in a building after the water meter. Water mainWater distributing pipeBuilding supply pipeWater service pipe

Water service pipe - comes before the service meter.

6. Tesla is the unit of____.Magnetic fluxMagnetic inductionBoth a and bNone of these

7. In Inverse Square Law, it states that: sound intensity ______ the square of the distance from the source.Varies inversely withVaries proportionally withIs equal toIs less than 2L1 = (d2)L2 (d1)

8. Which of the following is not a component of a hydraulic elevator?PlungerOil reservoirGate valvecounterweight

9. A bathroom containing a water closet, a lavatory, and a bathtub.Full bathHalf bathThree quarter bathQuarter bath

10. The following are elements of centralized airconditioning system except _______.Air handling unitControl equipmentMethod of coolingAll of these

11. Acoustics is a science that concerns with ______.Transmission of soundEffect of sound wavesGeneration of soundAll of the above

12. A valve in which the flow of water is cut off by means of a circular disk that fits against the valve seat. The plane of movement of the disk is parallel to the normal direction of flow of water, which is turned through a tortuous passage to direct the flow normal to the face of the disk.Gate valveCheck valveGlobe valveAngle valve

13. A transformer is ______.An ac deviceA dc deviceA mechanical device used to step up or step down voltage in acBoth a and c

14. A factor used in calculating cooling load that includes heat transferred from walls, doors, ceilings, etc. is known as _____.Solar loadInfiltration and ventilation loadThermal loadInternal load

15. A receptacle attached to a plumbing system other than a trap in which water or wastes may be collected or obtained for ultimate into the plumbing system.ValveWaste pipefittingfixture

16. The following are examples of pre-fabricated acoustical units except ______.Slotted tile or panelFissured tile panelShredded wood foamboardHardwood panel

Fissure: narrow line or opening made by cracking or splitting,especially in rock or earth

17. The following are ways in which heat may be transferred except____.ConductionConvectionPolarizationRadiation

18. Who said these prophetic words: Let the future tell the truth and evaluate each one according to his work and accomplishment. The present is theirs, the future for which I really worked for is mine.?Nikola TeslaJames WattAndre Marie AmpereGeorge Westinghouse

19. Which material would effectively reduce reflected noise and reverberation time to produce safe and enjoyable surrounding? Polyurethane foam sound absorberMelamine foam linear wedgesAcoustical bafflesVinyl encapsulate acoustical baffles

20. A type of raceway specially constructed for the purpose of pulling in or the withdrawing of wires or cables after the conduit is in place. Intermediate metal conduit (IMC)Rigid metal conduit (RMC)Surface metal raceway (SMR)Electrical metallic tubing (EMT)

IMC or intermediate metal conduit - outside house service drop.

21. The typical truss configuration used in the installation of an escalator.2 section truss3 section truss4 section truss5 section truss

22. Any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch.Battery of fixturesMultiple fixturesSeries of fixturesFixture group

23. The trade name for an insulated conductor with type letter THHN is ______.Moisture resistant thermoplasticThermoplasticHeat resistant thermoplasticNone of theseTTW

24. The abbreviation DWV stands for ______.drainage, water and ventDrainage, waste and valveDurham, water and ventDrainage, waste and vent

25. Creep is the phenomenon whereby sound travels in a ______.Straight line direction inside an anechoic chamberRectangular shaped cavityFlat surfaceCurve surface

26. What is / are the advantage/s of a circuit breaker over a fuse?It can act as a switchIts position can be easily detected (close/open)It can be used again after fault has been correctedAll of these

27. Which is the following characterizes centrallized airconditioning system?It uses ductsHas cooling towerProvided with air handling unitAll of these

28. A p-shaped trap commonly used on most plumbing fixtures except for fixture have integral trap.GooseneckDrum trapBag trapRunning trap

29. Sound Transmission Loss (STL) is/are affected by the following ____.Intensity of sound from sourceMaterial densityMediumAll of the above

30. What switch combination may be used in order to control a lamp or group of lamps in three different locations?2-s4w and 1-s3w3 single pole switches3-s3w2-s3w and 1-s4w

*p.79 ching

31. The total cooling output of an airconditioner during its annual usage, in BTU/hr divided by the energy input during the same period, in watt-hours is known as_____.Integrated part load valueAnnual fuel utilization efficiencyEnergy efficiency ratioSeasonal energy efficiency ratio

BTU - British Thermal Unit: the quantity of heat required to raise the temperature of one pound (0.4kg) of water 1F.Integrated part load value: weighted operationEnergy efficiency ratio: designated operating hours

32. This acoustical material is manufactured from rock wool, glass fibers, wood fibers, hair felt, etc. generally installed on wood or metal framing system.Acoustical tileAcoustical plasterAcoustical (isolation) blanketAcoustical foam

33. An outhouse or structure used for the deposition of excrement.Septic tankPrivyDrainage pitPrivy vault

34. Acoustical cotton fiber composite board is manufactured using BAP. What does BAP stand for?Boarded acoustical panelBeaded and pressedBent and polishedBonded acoustical panel

35. Which type of refrigerant is recommended for residential, commercial, and industrial application using split type air-conditioning system?R-11R-12R-22R-23

36. It characterizes short circuitHigh resistance, high currentLow resistance, low currentLow resistance, high currentHigh resistance, low current

37. A water supply pipe that extends vertically one full storey or more to convey water to fixture branches or group of fixtures.Up pipeRiserStack pipeWater stack pipe

38. A unit or assembly units or sections and associated fittings forming a rigid structural system used to support cables.Cable busCable trayBuswaywireway

39. Fusible material in a fuse may be made of any of the following except___.LeadSilverIronTin

40. Which of the following factors affect/s room acoustics? Shape and proportion of roomRoom cavitySeating and other furnishingsAll of the above

41. A general term used for any vertical line of soil, waste or vent piping.Vent pipeWaste pipeStackSoil pipe

42. It affects the resistance of a conductor.LengthAreaTemperatureAll of these

43. A condition characterized as vertically downward directly below the luminaire. What is that term?LumenPoint sourceNadirlambert

Lumen (lm)- the SI unit of luminous flux, equal to the light emitted in a solid angle of one steradian by a unifor point source having an intensity of one candela; zonal cavity methodPoint source- all directionsLambert (L)- a unit of luminance or brightness equal to 0.32 candela per square centimeter.

44. The water supply pipe provided by the water utility company where local individual connection is done.Water supply sourceWater mainWater service pipeBuilding supply pipeBetween water main and water meter

45. The term impedance is used in transformers and other devices in ac is a combination of _______.Resistance and reactanceInductance and capacitanceResistivity and conductivityNone of these

46. A type of gypsum board available in 1 1/2 inches or 5/8 inch thickness and has improved fire resistance through the use of fibers mixed with gypsum core.Type xType cRegularWater resistant board

47. It is also known as electric panel or load center. Convenience outletPanelboardOutletBranch circuit

48. It is the product of surface area (sq.ft.) and sound absorption coefficient (SAC). It has the unit sabin.Sound attenuationSound absorptionSound amplificationNoise reduction

49. A cylindrical conduit or conductor, the wall thickness is sufficient to receive a standard pipe.ConduitPipeFittingleader

50. Wallace Clement Sabine, an American physicist who pioneered work on sound is said to be the father of ____?Environmental acousticsRoom acousticsArchitectural acousticsAcoustical science

51. A loosely lined excavation in the ground which receives the discharge of a septic tank and designed to permit the effluent from the septic tank to seep through the bottom and sides of the pit.PrivyDrain pitSeptic tankcesspool

52. A factory assembly of one or more conductors, each individually insulated and enclosed in a metallic sheath of interlocking metal tape, or a smooth corrugated metallic tube. metal clad cable (type MC)Shielded non-metallic sheathed cable (type SNM)Armored cable (type AC)Mineral insulated, metal sheathed cable (type MI)*p.21 CDEP

53. It is analogous to pressure in water flow.ResistanceVoltageCurrentpower

54. When sound impinges on a surface such as walls, floor, ceiling, etc. It is referred to as _____.Liquidborne soundSolidborne soundAirborne soundStructureborne sound

55. The art and science of installing in buildings the pipes, fixtures and other apparatus for bringing in water supply and removing water and waterborne waste.Plumbing systemSanitary drainage systemDrainage systemplumbing

56. Any of a variety of soft floor finishes made of synthetic materials such as nylon or natural material such as wool. It is either glued directly to the floor or installed over an underlayment of hair felt or foam rubber. What is it?Panel absorberCarpetCurtain and fabricsVolume resonator

57. Which of the following is a violation of all the provisions in the mechanical code on elevator design and installation? 30mm is the diameter of hoisting and counterweight cables600mm is the depth of elevator pit measured from the bottom of pit to the underside of the car platform3 ropes are required for traction type elevator4 ropes are required for drum type elevator

*p.75 cdep2 ropes for drum typeelevator

58. That part of the drainage system that extends from the end of the building drain and conveys its discharge to the public sewer, private sewer, individual sewage disposal system or other appropriate point of disposal.Building sewerBuilding drainBuilding storm drainBuilding sewage pipe

59. A branch of acoustics that involves the control of noise pollution, environmental noise, which include motor vehicles, aircraft noise, etc. Environmental acousticsMusical acousticsArchitectural acousticsPsychological acoustics

60. Alternating current is characterized as having _____.Positive and negative polarityAverage value is zeroHas frequencyAll of these

61. A valve in which the flow of liquid is controlled by a rotating drilled ball that fits tightly against a resilient (flexible) seat in the valve body.Angle valveCheck valveFloat valveBall valve

62. Pyramid is a type of commercially produced acoustical tile. Which of the following is not a characteristic of this material? Made of open celled polyurethane acoustical foamAvailable in 2,3, & 4inch thicknessTetrahedral in shapeIdeal for audio room application

63. A vertical length of soil or waste stack at least 8 feet in height (a storey high), within which the horizontal branches from one storey or floor of the building or structure are connected to the stack.Fixture branchBranch drainBranch pipeBranch interval

64. A pipe connecting upward from a soil or waste stack below the floor and below the horizontal connection to an adjacent vent stack at a point above the floor and higher than the highest spill level of fixtures for preventing pressure changes in the stack.Vent stackYoke ventUnit ventIndividual ventVent to vent

65. This material is so named in honor of a German physicist, consista of a holllow material with a small hole on one side. This is used to detect individual frequency of complex acoustic wave configuration.TransondentHermholtz resonatorPyramidPanel absorber

66. A kind of return bend of small-sized faucet, one end of which is about one foot long and the other end is about three inches. It is commonly used as a faucet for pantry sink and drinking fountain. Also the lead connection between the service pipe and the water main. Also a p-trap.SpigotFaucetTailpiecegooseneck

67. A continuous belt (chain) attached to the handrail and directly connected to the steps is known as _____. Endless beltBalustrade assemblySprocket assemblyhandrail

68. What is the minimum distance between the handrails of escalators?600mm558mm658mm650mm

69. A watertight receptacle which the discharge of sanitary plumbing system or part thereof, designed and constructed to retain solids, digest organic matter through a period of detention and to allow the liquids to discharge into the soil outside of the tank through a system of open jointed subsurface piping or seepage pit.Seepage pitSeptic tankPrivy vaultcesspool

70. Which material would exhibit the highest sound absorption coefficient (SAC) value?MarbleWoodPlasticcarpet

71. A common measure of the probable discharge into the drainage system by various types of plumbing fixtures on the basis of one unit of this being equal to a discarge rate of 7.5 gallons per minute or one cubic foot of water per minute.Flow rateDrainage fixture unitFlow pressureDrainage flow

72. A type of resonator made from empty clay vessels of different sizes. Their absorption ranges from 100-400 hertz. Individual resonatorSlit resonatorPerforated resonatorNone of the above

73. A circuit type where components are electrically connected end to end.Series circuitParallel circuitSeries parallel circuitNone of these

74. The installation of parts of the plumbing system which can be completed prior to installation of fixtures or finishing. This includes drainage, water supply and vent piping and necessary fixture supports.Roughing-inMock-up installationPre-installationsetting

75. These consist of loose fibers or granules and is made from cellulose, fiberglass, rock wool, cotton or other materials. These materials come in bags and are usually blown into cavities using special equipment. What are these?Acoustical foamsFoam panelsLoose fill insulationsFireflexes

76. The over-all covering of underground feeder and branch circuit cables shall be ____.Fungus resistantCorrosion resistantBoth a and bNone of these

77. A fitting or device designed and constructed to provide, when properly vented, a liquid seal which prevents backflow and passage of foul air and gases without materially affecting the flow of sewage or wastewater through it. TrapFittingPipevalve

78. The rustling of leaves in breeze is said to be within the ____.Threshold of hearingThreshold of hearing lossThreshold of inaudibilityThreshold of feeling

79. Unit of capacitance is _____.HenryCoulombFaradweber

80. A suction created by the flow of liquids in pipe, a pressure less than the atmospheric pressure.BackflowBackpressureSiphonageFlow pressure

81. The basic elements of an electric circuit are the following except ____.SourceSwitchConducting pathElectrical load

82. A vertical pipe which conveys only wastewater or liquid waste free of fecal matter.Waste pipeSoil pipeSoil stackWaste stack

83. A factory assembly of two or more insulated conductors having an outer sheath of moisture-resistant, flame retardant, non metallic material. Service entrance cable (type SE and USE)Shielded non metallic sheathed cable (type SNM )Non metallic sheathed cable (type NM and NMC)Mineral insulated metal sheathed cable (type MI)

84. A pipe which conveys potable water from the building supply pipe to the plumbing fixtures and other outlets.Water service pipeWater mainWater distributing pipeBuilding and water supply pipe

85. Cables are conductors that are ____.Larger than wiresStranded (no.6 AWG and larger)Both a and bNone of these

86. The following statements are true with regards to sound except ___.That sound is an aural sensationThat sound is caused by oscillation in an elastic mediumThat sound travels in a vacuumThat sound is caused by the vibration of particles which move in an infinitesimal amount causing particles to impart motion and energy to them

87. Any pipe which conveys the discharge of water closet, urinal or fixtures having similar function, with or without the discharges from other fixtures to the building drain or building sewer.Soil pipeWaste pipeBuilding drainBuilding sewer

88. Copper as a conductor has the property/properties of being ____.DuctileMalleableA onlyA and b

89. In a building consists of the water service pipe, water supply line, water distributing pipes and the essential branch pipes, valves and all other appurtenances for the supply of potable water.Water supply systemWater pipe systemWater distribution systemBuilding water service and sewage piping system

90. The velocity of sound is affected by _____.TemperatureKind of mediumMaterial densityAll of the above

91. Which of the following metallic materials is considered as the best conductor of electricity?CopperAluminumIronGold

92. What aspect/s of environment or surroundings is/are considered in air-conditioning system for human comfort?Temperature of the surrounding airMotion of airBoth a and bNone of these

93. Example/s of conductors-on-insulator wiring is are ______.Concealed knob and tubeOpen wiring on insulatorsBoth a and bNone of these

94. What is the refrigerant name of R-12?MonochlorotrifluoromethaneDichlorodifluormethaneMonochlorodifluormethaneTrichloromonofluoromethane

95. The recommended speed for escalators ranges from____.90-120fpm130-180fpm165-180fpm60-80fpm

96. A type of surface flush raceway designed to receive conductors and receptacles assembled in the field or in the factory.Underfloor racewayMulti-outlet assemblyCellular metal floor racewaySurface metal raceway (SMR)

97. Transondent facings are those transparent facings with holes. Which facing will reflect more sound?10% opening20% opening30% opening40% opening

98. A type of switch used for transferring one or more load conductor connections from one power source to another.Transfer switchIsolating switch General use switchGeneral snap switch

99. Which of the following sources of sound produces the highest sound pressure level (SPL)?Loud street noiseAccelerating motorcycle 50ft awayOffice activitiesCafeteria with people in it

100. What are the property(ies) of concrete as an acoustical material which are/is important?Aerated concrete is fairly absorptiveConcrete provides virtually no absorptionConcrete accepts and transmits impact soundAll of the above

Done! :) Source: USAT 2006 Building Utilities 1,2,3For additional review materials or contributions go to: www.arkireviewph.multiply.comGood luck!