Architectural Reviewers - Building Utilities 1h713v

Building Utilities Taken from UST Architecture Undergraduate Assessment Test (USAT) by Arch. Rafael Alli Recommended review material for UST Preboard Exam Prepared by: arkireviewph.multiply.com

. 1.Mho as used in electrical systems calculation is defined as _______. a. the reciprocal of ohm b. A unit of inductance c. A unit of resistance d. The reciprocal of siemen

 OHM

- is a unit of resistance

. 2. A unit of mechanical power is horsepower. What is electrical power? a. Watt b. Volt-ampere c. Ampere d. Both a and b

 Volt-ampere

: volt-electrical potential  Ampere: electrical current

3. The following are basic component parts of an escalator except____. a. Balustrade assembly b. Continuous belt c. Step assembly d. governor

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

 Candela

- SI unit of light intensity  SI unit - one of the basic units of the International System of Units  1 lumen per square foot - foot candle

5. The first section of water supply piping in a building after the water meter. a. Water main b. Water distributing pipe c. Building supply pipe d. Water service pipe

 Water

service pipe - comes before the service meter.

6. Tesla is the unit of____. a. Magnetic flux b. Magnetic induction c. Both a and b d. None of these

7. In Inverse Square Law, it states that: “sound intensity ______ the square of the distance from the source.” a. Varies inversely with b. Varies proportionally with c. Is equal to 2 d. Is less than L1 = (d2) L2

(d1)

8. Which of the following is not a component of a hydraulic elevator? a. Plunger b. Oil reservoir c. Gate valve d. counterweight

9. A bathroom containing a water closet, a lavatory, and a bathtub. a. Full bath b. Half bath c. Three quarter bath d. Quarter bath

10. The following are elements of centralized airconditioning system except _______. a. Air handling unit b. Control equipment c. Method of cooling d. All of these

11. Acoustics is a science that concerns with ______. a. Transmission of sound b. Effect of sound waves c. Generation of sound d. All 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 age to direct the flow normal to the face of the disk. a. Gate valve b. Check valve c. Globe valve d. Angle valve

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

14. A factor used in calculating cooling load that includes heat transferred from walls, doors, ceilings, etc. is known as _____. a. Solar load b. Infiltration and ventilation load c. Thermal load d. Internal 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. a. Valve b. Waste pipe c. fitting d. fixture

16. The following are examples of prefabricated acoustical units except ______. a. Slotted tile or b. Fissured tile c. Shredded wood foamboard d. Hardwood

 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____. a. Conduction b. Convection c. Polarization d. Radiation

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.”? a. Nikola Tesla b. James Watt c. Andre Marie Ampere d. George Westinghouse

19. Which material would effectively reduce reflected noise and reverberation time to produce safe and enjoyable surrounding? a. Polyurethane foam sound absorber b. Melamine foam linear wedges c. Acoustical baffles d. Vinyl 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. a. Intermediate metal conduit (IMC) b. Rigid metal conduit (RMC) c. Surface metal raceway (SMR) d. 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. a. 2 section truss b. 3 section truss c. 4 section truss d. 5 section truss

22. Any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch. a. Battery of fixtures b. Multiple fixtures c. Series of fixtures d. Fixture group

23. The trade name for an insulated conductor with type letter THHN is ______. a. Moisture resistant thermoplastic TW T b. Thermoplastic c. Heat resistant thermoplastic d. None of these

24. The abbreviation DWV stands for ______. a. drainage, water and vent b. Drainage, waste and valve c. Durham, water and vent d. Drainage, waste and vent

25. Creep is the phenomenon whereby sound travels in a ______. a. Straight line direction inside an anechoic chamber b. Rectangular shaped cavity c. Flat surface d. Curve surface

26. What is / are the advantage/s of a circuit breaker over a fuse? a. It can act as a switch b. Its position can be easily detected (close/open) c. It can be used again after fault has been corrected d. All of these

27. Which is the following characterizes centrallized airconditioning system? a. It uses ducts b. Has cooling tower c. Provided with air handling unit d. All of these

28. A p-shaped trap commonly used on most plumbing fixtures except for fixture have integral trap. a. Gooseneck b. Drum trap c. Bag trap d. Running trap

29. Sound Transmission Loss (STL) is/are affected by the following ____. a. Intensity of sound from source b. Material density c. Medium d. All of the above

30. What switch combination may be used in order to control a lamp or group of lamps in three different locations? a. 2-s4w and 1-s3w b. 3 single pole switches c. 3-s3w d. 2-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_____. a. Integrated part load value b. Annual fuel utilization efficiency c. Energy efficiency ratio d. Seasonal energy efficiency ratio

 BTU

- British Thermal Unit: the quantity of heat required to raise the temperature of one pound (0.4kg) of water 1°F.  Integrated part load value: weighted operation  Energy 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. a. Acoustical tile b. Acoustical plaster c. Acoustical (isolation) blanket d. Acoustical foam

33. An outhouse or structure used for the deposition of excrement. a. Septic tank b. Privy c. Drainage pit d. Privy vault

34. Acoustical cotton fiber composite board is manufactured using BAP. What does BAP stand for? a. Boarded acoustical b. Beaded and pressed c. Bent and polished d. Bonded acoustical

35. Which type of refrigerant is recommended for residential, commercial, and industrial application using split type airconditioning system? a. R-11 b. R-12 c. R-22 d. R-23

36. It characterizes short circuit a. High resistance, high current b. Low resistance, low current c. Low resistance, high current d. High 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. a. Up pipe b. Riser c. Stack pipe d. Water stack pipe

38. A unit or assembly units or sections and associated fittings forming a rigid structural system used to cables. a. Cable bus b. Cable tray c. Busway d. wireway

39. Fusible material in a fuse may be made of any of the following except___. a. Lead b. Silver c. Iron d. Tin

40. Which of the following factors affect/s room acoustics? a. Shape and proportion of room b. Room cavity c. Seating and other furnishings d. All of the above

41. A general term used for any vertical line of soil, waste or vent piping. a. Vent pipe b. Waste pipe c. Stack d. Soil pipe

42. It affects the resistance of a conductor. a. Length b. Area c. Temperature d. All of these

43. A condition characterized as vertically downward directly below the luminaire. What is that term? a. Lumen b. Point source c. Nadir d. lambert

 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 method  Point source- all directions  Lambert (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. a. Water supply source b. Water main c. Water service pipe d. Building supply pipe Between water main and water meter

45. The term impedance is used in transformers and other devices in ac is a combination of _______. a. Resistance and reactance b. Inductance and capacitance c. Resistivity and conductivity d. None 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. a. Type x b. Type c c. Regular d. Water resistant board

47. It is also known as electric or load center. a. Convenience outlet b. board c. Outlet d. Branch circuit

48. It is the product of surface area (sq.ft.) and sound absorption coefficient (SAC). It has the unit sabin. a. Sound attenuation b. Sound absorption c. Sound amplification d. Noise reduction

49. A cylindrical conduit or conductor, the wall thickness is sufficient to receive a standard pipe. a. Conduit b. Pipe c. Fitting d. leader

50. Wallace Clement Sabine, an American physicist who pioneered work on sound is said to be the father of ____? a. Environmental acoustics b. Room acoustics c. Architectural acoustics d. Acoustical 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. a. Privy b. Drain pit c. Septic tank d. cesspool

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. a. metal clad cable (type MC) b. Shielded non-metallic sheathed cable (type SNM) c. Armored cable (type AC) d. Mineral insulated, metal sheathed cable (type MI) *p.21 CDEP

53. It is analogous to pressure in water flow. a. Resistance b. Voltage c. Current d. power

54. When sound impinges on a surface such as walls, floor, ceiling, etc. It is referred to as _____. a. Liquidborne sound b. Solidborne sound c. Airborne sound d. Structureborne 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. a. Plumbing system b. Sanitary drainage system c. Drainage system d. plumbing

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? a. absorber b. Carpet c. Curtain and fabrics d. Volume resonator

57. Which of the following is a violation of all the provisions in the mechanical code on elevator design and installation? a. 30mm is the diameter of hoisting and counterweight cables b. 600mm is the depth of elevator pit measured from the bottom of pit to the underside of the car platform c. 3 ropes are required for traction type elevator d. 4 ropes are required for drum type elevator *p.75 cdep

2 ropes for drum type elevator

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. a. Building sewer b. Building drain c. Building storm drain d. Building sewage pipe

59. A branch of acoustics that involves the control of noise pollution, environmental noise, which include motor vehicles, aircraft noise, etc. a. Environmental acoustics b. Musical acoustics c. Architectural acoustics d. Psychological acoustics

60. Alternating current is characterized as having _____. a. Positive and negative polarity b. Average value is zero c. Has frequency d. All 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. a. Angle valve b. Check valve c. Float valve d. Ball valve

62. Pyramid is a type of commercially produced acoustical tile. Which of the following is not a characteristic of this material? a. Made of open celled polyurethane acoustical foam b. Available in 2,3, & 4inch thickness c. Tetrahedral in shape d. Ideal 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. a. Fixture branch b. Branch drain c. Branch pipe d. Branch 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. a. Vent stack b. Yoke vent c. Unit vent Vent to vent d. Individual 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. a. Transondent b. Hermholtz resonator c. Pyramid d. 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. a. Spigot b. Faucet c. Tailpiece d. gooseneck

67. A continuous belt (chain) attached to the handrail and directly connected to the steps is known as _____. a. Endless belt b. Balustrade assembly c. Sprocket assembly d. handrail

68. What is the minimum distance between the handrails of escalators? a. 600mm b. 558mm c. 658mm d. 650mm

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 ted subsurface piping or seepage pit. a. Seepage pit b. Septic tank c. Privy vault d. cesspool

70. Which material would exhibit the highest sound absorption coefficient (SAC) value? a. Marble b. Wood c. Plastic d. carpet

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. a. Flow rate b. Drainage fixture unit c. Flow pressure d. Drainage flow

72. A type of resonator made from empty clay vessels of different sizes. Their absorption ranges from 100-400 hertz. a. Individual resonator b. Slit resonator c. Perforated resonator d. None of the above

73. A circuit type where components are electrically connected end to end. a. Series circuit b. Parallel circuit c. Series parallel circuit d. None 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 s. a. Roughing-in b. Mock-up installation c. Pre-installation d. setting

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? a. Acoustical foams b. Foam s c. Loose fill insulations d. Fireflexes

76. The over-all covering of underground feeder and branch circuit cables shall be ____. a. Fungus resistant b. Corrosion resistant c. Both a and b d. None of these

77. A fitting or device designed and constructed to provide, when properly vented, a liquid seal which prevents backflow and age of foul air and gases without materially affecting the flow of sewage or wastewater through it. a. Trap b. Fitting c. Pipe d. valve

78. The rustling of leaves in breeze is said to be within the ____. a. Threshold of hearing b. Threshold of hearing loss c. Threshold of inaudibility d. Threshold of feeling

79. Unit of capacitance is _____. a. Henry b. Coulomb c. Farad d. weber

80. A suction created by the flow of liquids in pipe, a pressure less than the atmospheric pressure. a. Backflow b. Backpressure c. Siphonage d. Flow pressure

81. The basic elements of an electric circuit are the following except ____. a. Source b. Switch c. Conducting path d. Electrical load

82. A vertical pipe which conveys only wastewater or liquid waste free of fecal matter. a. Waste pipe b. Soil pipe c. Soil stack d. Waste stack

83. A factory assembly of two or more insulated conductors having an outer sheath of moisture-resistant, flame retardant, non metallic material. a. Service entrance cable (type SE and USE) b. Shielded non metallic sheathed cable (type SNM ) c. Non metallic sheathed cable (type NM and NMC) d. 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. a. Water service pipe b. Water main c. Water distributing pipe d. Building and water supply pipe

85. Cables are conductors that are ____. a. Larger than wires b. Stranded (no.6 AWG and larger) c. Both a and b d. None of these

86. The following statements are true with regards to sound except ___. a. That sound is an aural sensation b. That sound is caused by oscillation in an elastic medium c. That sound travels in a vacuum d. That 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. a. Soil pipe b. Waste pipe c. Building drain d. Building sewer

88. Copper as a conductor has the property/properties of being ____. a. Ductile b. Malleable c. A only d. A 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. a. Water supply system b. Water pipe system c. Water distribution system d. Building water service and sewage piping system

90. The velocity of sound is affected by _____. a. Temperature b. Kind of medium c. Material density d. All of the above

91. Which of the following metallic materials is considered as the best conductor of electricity? a. Copper b. Aluminum c. Iron d. Gold

92. What aspect/s of environment or surroundings is/are considered in air-conditioning system for human comfort? a. Temperature of the surrounding air b. Motion of air c. Both a and b d. None of these

93. Example/s of conductors-oninsulator wiring is are ______. a. Concealed knob and tube b. Open wiring on insulators c. Both a and b d. None of these

94. What is the refrigerant name of R12? a. Monochlorotrifluoromethane b. Dichlorodifluormethane c. Monochlorodifluormethane d. Trichloromonofluoromethane

95. The recommended speed for escalators ranges from____. a. 90-120fpm b. 130-180fpm c. 165-180fpm d. 60-80fpm

96. A type of surface flush raceway designed to receive conductors and receptacles assembled in the field or in the factory. a. Underfloor raceway b. Multi-outlet assembly c. Cellular metal floor raceway d. Surface metal raceway (SMR)

97. Transondent facings are those transparent facings with holes. Which facing will reflect more sound? a. 10% opening b. 20% opening c. 30% opening d. 40% opening

98. A type of switch used for transferring one or more load conductor connections from one power source to another. a. Transfer switch b. Isolating switch c. General use switch d. General snap switch

99. Which of the following sources of sound produces the highest sound pressure level (SPL)? a. Loud street noise b. Accelerating motorcycle 50ft away c. Office activities d. Cafeteria with people in it

100. What are the property(ies) of concrete as an acoustical material which are/is important? a. Aerated concrete is fairly absorptive b. Concrete provides virtually no absorption c. Concrete accepts and transmits impact sound d. All of the above

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