Utilities PDF

Utilities 1 The amount of heat which is absorbed or evolved in changing the state of a substance Latent Heat without changing its temperature. 2 A system of devices, usually installe...

Utilities 1 The amount of heat which is absorbed or evolved in changing the state of a substance Latent Heat without changing its temperature. 2 A system of devices, usually installed below ground level, to scatter or spray water Lawn Sprinkler System droplets over a lawn, golf course, or the like. 3 Minimum width of a septic tank. 90 cms. 4 Minimum length of a septic tank. 1.50 mts. 5 Minimum liquid depth for a septic tank. 60 cms. 6 Maximum liquid depth for septic tank. 1.80 mts. 7 Minimum capacity, in cubic meters, of the secondary compartment of a septic tank. 1 cum. 8 Minimum dimension of a manhole access to a septic tank. 508 mm. 9 Minimum length of the secondary compartment of a septic tank with a capacity of more 1.50 mts. than 6 cubic meters. 10 Wooden septic tanks are allowed, true or false. FALSE 11 Minimum distance of a water supply well from a septic tank. 15.20 mts. 12 Minimum distance of a water supply well from a seepage pit or cesspool. 45.70 mts. 13 Minimum distance of a water supply well from a disposal field. 30.50 mts. 14 Minimum Gauge of galvanized sheet used for downspouts. 26 15 Minimum height of a water seal for each fixture trap. 51 mm. 16 Maximum height of a water seal for each fixture trap. 102 mm. 17 Maximum length of the tailpiece from any fixture. 60 cms. 18 Minimum extension of the VSTR above the roof. 15 cms. 19 Minimum extension of the VSTR above an openable window, door opening, air intake, 0.90 mtr. or vent shaft. 20 Minimum trap diameter for a bathtub 38 mm. (11/2") 21 Minimum trap diameter for a shower stall. 51 mm. (2") 22 Required number of water closets for females for an auditorium serving 16-35. 3 23 Required number of water closets for males for an auditorium serving 16-35. 2 24 Required number of urinals for an auditorium serving 10-50. 1 25 Required number of water closets for females for a theater serving 51-100. 4 26 Classifications of copper pipes. Rigid and Flexible 27 A rough or sharp edge left on metal by a cutting tool. Burr 28 Two types of passenger elevator. Electric and Hydraulic 29 Minimum elevator width of single slide door elevator for small commercial or residential 0.60 mtr. building. 30 A device that is basically a double throw switch of generally 3-pole connection that will automatically transfer the power from the standby generator to the building circuitry Automatic Transfer Switch (ATS) during electrical power failure. 31 Moisture resistant, in wet and TW in electrical wire specification means. dry location 32 Another name for passenger elevator. Lift 33 The minimum face to face distance between elevators in three and four car grouping. 2 mts. 34 Collection line of a plumbing system is sometimes referred to as. House Drain 35 Maximum height of a dumbwaiter. 1.20 mts. 36 A type of lighting that provides illumination to special objects like sculptures, flower Specific Lighting arrangements, etc. 37 Moisture and Heat Resistant- XHHN in wire specification means. Cross-Linked Thermosetting 38 Standard length of an electrical metal conduit. 10' 39 An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a Sheave cable or roped is passed. 40 The other type of flame detector other than the ultraviolet type. Infra Red 41 PABX or PBX means. Pvt. Automatic Branch Exchange 42 Farad is the unit capacity of a ___. Capacitor 43 Another name for distribution panel. Power Panel 44 Type of plastic pipe other than polyvinyl chloride and polybutylene. Polyethylene 45 Standard size of wire for a circuit line. No. 12 46 Standard size of wire for a switch line. No. 14 47 A device for converting alternating current to direct current. Rectifier 48 Another name for a Rectifier. D.C. Generator 49 A controller sensitive to the degree of moisture in the air. Humidistat 50 Another name for Humidistat. Hygrostat Page 1 of 6  Utilities 51 Consist of a flyball or flyweight device designed to stop an elevator. Governor 52 A stop valve placed in the service pipe close to the connection at the water main. Corporation Stop 53 A vent with a function to provide circulation if air between drainage and vent system. Relief Vent 54 Flange used on a pipe to cover a hole or opening in a floor or wall which the pipe pass. Escutcheon 55 Length along the centerline of the pipe and fitting. Developed Length 56 A valve used in a flush tank controlling the flushing of fixture. Flush Valve 57 Any liquid waste containing animal or vegetable matter in suspension or solution. Sewage 58 Component of fire extinguisher. Carbon Monoxide 59 Interrelationship between value of voltage and current with the same frequency. Phase 60 Descriptive of any material such as synthetic resin which hardens when heated or cured, Thermosetting and does not soften when reheated. 61 An Instrument which responds to changes in temperature, and directly or indirectly Thermostat controls temperature. 62 Thin sheets that are used for controlling heat in drywall construction. Rigid Board Insulation 63 Conveys storm water and terminates into a natural drainage such as lakes or rivers. Strom Sewer 64 A machine that converts mechanical energy into electrical energy, a generator of Alternator alternating current. 65 Freon in air-con must be compressed and liquefied in order to absorb ___. Heat 66 Standard size of a wet standpipe outlet for each floor. 1 1/2" (38mm) 67 A type of pipe fitting for a Yoke Vent. 1/8 Bend 68 A device installed on an electric water heater used to detect the working temperature Thermostat to activate a switch. 69 Minimum size of trap or branch for a bidet. 1 1/2" 70 Minimum fixture supply pipe diameter for tank type water closet. 3/8" 71 True or false, 1 3/4" diameter is 'not' a commercial size of G.I. Pipe for water supply. TRUE 72 True or false, 3" diameter is 'not' a commercial size of G.I. Pipe for water supply. FALSE 73 Term applied to the interconnection of the same fixtures in one soil or waste branch with Battery of Fixtures one branch vent. 74 A single vent that ventilates multiple traps in the case of a back to back vent. Common Vent 75 Minimum size of a standpipe for a building in which the highest outlet is 23 meters or less 4" (102mm) from the fire service connection. 76 Minimum size of a wet standpipe for a riser of more than 15 meters from the source. 4" (102mm) 77 Single lever valves used in kitchen sink and lavatory faucets or at shower valves works by Ball Valve the principle of a ___. 78 Treats hard water. Zeolite 79 Minimum height of a branch vent above the fixture it is venting. 6" (150mm) 80 Minimum wire size in square millimeter for a branch circuit with a 30 ampere rating using 5.5 sqmm 81 Type THW stranded copper conductor in a raceway. 82 Standard frequency of power supplied by the local power utility company like Meralco. 60 Cycles 83 The overhead service conductors from the last pole or other aerial support to and including Service Drop splices, if any, connecting to the service entrance conductors at the building. 84 Unit of loudness level. Phon 85 The process of dissipating sound energy by converting it to heat. Sound Absorption 86 Distance sound travels during each cycle of vibration. Wavelength 87 The reduction in the intensity or in the sound pressure level of sound which is transmitted Sound Attenuation from one point to another. 88 Unit of sound absorption equivalent to 1 square foot of perfectly absorptive material. Sabin 89 Acoustical phenomenon which causes sound wave to be bent or scattered around. Sound Diffraction 90 Minimum sound pressure level that is capable of being detected by the human ear. Threshold of Audibility 91 Fluctuation in pressure, a particle displacement in an elastic medium. Sound 92 Sound sensation in a single frequency. Pure Tone 93 Wave produced by a pure tone. Sine Wave 94 Synonymous with a lighting fixture. Luminaire 95 The luminous intensity of light is expressed in ___. Candela 96 It refers to an individual who worked in the sanitary field of ancient Rome. Plumbarius 97 In Latin, it means 'lead'. Plumbum 98 A specially designed system of waste piping embodying the horizontal wet venting of one Combination 99 or more sinks or floor drains by means of a common waste and vent pipe adequately Waste 100 sized to provide free movement of air above the flow line of the drain. and Vent system 101 Vertical flow of air used to separate different functions of spaces. Air curtain 102 Type of lighting dealing with relatively large area lighting. General Lighting Page 2 of 6  Utilities 103 During elevator emergency, to rescue passengers, this part of the elevator is used to open Outside Door Latch the doors from the outside. 104 A device which extends across at least 1/2 the width of each door leaf which will open if Panic Bar subjected to pressure. 105 Sanitary sewage from buildings shall be discharged directly to the nearest ___. Sanitary Sewer Main 106 Receptacles intended to receive and discharge water, water-carried waste into a drainage Fixture system with which they are connected. 107 The simplest type of building automation system. Telecommunication System 108 Standard size of an outlet for a dry standpipe located at each floor. 2 1/2" (64mm) 109 A vent pipe connected to a vent stack. Circuit Vent 110 A vent pipe connected to a stack vent. Loop Vent 111 Instrument used for measuring atmospheric pressure. Barometer 112 Bets type of fire detection that can detect fire during the incipient stage. Ionization 113 Condensing unit is a part of a ___. Refrigeration 114 A fire detector installed in a fire alarm system which uses low melting point solders or Fixed Temperature 115 metal that expands when exposed to heat to detect a fire. Heat Detector 116 A faucet fitted with a nozzle curving downward used as a draw-off tap. Bibbcock 117 Heat rating for a fixed temperature heat detector. 135-197˚F 118 Reference in measuring the depth of a trap seal of a trap. Top Dip to Crown Weir 119 A pipe fitting shaped like 'S'. Double Bend 120 Minimum size of trap and waste branch for a shower stall. 2" 121 Minimum size of trap and waste branch for a pedestal urinal. 3" 122 Ratio of water closets for male population for elementary and secondary school. (1:30) 123 Ratio of water closets for female population for elementary and secondary school. (1:25) 124 Ratio of urinals for elementary school. (1:75) 125 Ratio of water closets for female population for Principal Worship Places. (1:75) 126 Minimum required number of water closets for female for office and public buildings 4 serving 55 occupants for employees. 127 Where there is exposure to skin contamination due to poisonous materials, what is the (1:5) ratio of lavatory to number of occupants. 128 Minimum head of water, in meters, required for each section of plumbing for water test. 3 129 How many days, at least, shall be given before any plumbing work inspection is done 3 after written notice for inspection. 130 Minimum time, in minutes, required for water to stay in the system or pipes for a water 15 minutes test without any leaks to satisfy said testing. 131 Consist of a body, a checking member, and an atmospheric opening. Atmospheric Vacuum Breaker 132 Minimum lead content in percent for pipes and fittings safe for humans. 8% 133 Minimum vertical distance from the bottom of water pipes to the top of sewer or drain pipe 300 mm if laid in the same trench on top of the other. 134 Minimum distance of water pipings from any regulating equipment, water heater, 300 mm conditioning tanks, and similar equipment requiring union fittings. 135 Maximum spacing of pipe supports at intervals. 4' 136 Equivalent of 1/6 bend in degrees. 60˚ 137 True or false, 60˚ branches or offsets may be used only when installed in a true vertical TRUE position. 138 Cleanouts may be omitted on a horizontal drain less than 1.5 meters in length unless TRUE 139 such line is serving sinks or urinals, true or false. 140 Minimum clearance in front of any cleanout in meters for pipes 51mm or less in diameter. 0.305 mtr. / 305 mm 141 Minimum clearance in front of any cleanout in meters for pipes larger than 51 mm. Dia. 0.45 mtr. / 450 mm 142 Maximum distance of any underfloor cleanout from any access door, crawl space, or 6.10 mts. crawl hole. 143 Maximum length of a tailpiece. 600 mm 144 Minimum length of any branch requiring separate venting. 4.60 mts. 145 True or false, no galvanized wrought iron or galvanized steel pipe shall be used TRUE underground and shall be kept at least 15 cms above ground. 146 Minimum extension of a vent stack through roof above the roof. 150 mm / 15 cms. 147 Minimum extension of a vent stack through roof above any other vertical surface. 300 mm 148 Minimum vertical distance of VSTR from above of any openable window or opening. 0.90 mtr. 149 Minimum vertical extension of VSTR from any roofdeck where it is protruded. 2.10 mts. 150 Minimum horizontal distance of any VSTR from a roofdeck used for other purposes aside 3.00 mts. from protection from weather. Page 3 of 6  Utilities 151 Minimum number of stories served by a waste stack requiring a parallel ventstack. 10 152 The rate of flow of light through a surface. Luminous Flux 153 The luminous intensity of any surface in a given direction per unit of projected area. Luminance 154 A unit of illumination equivalent to 1 lumen per square foot. Foot-Candle 155 A unit of illumination equivalent to 1 lumen per square meter. Lux 156 Type of lighting system where 90-100% of light output is directed to the ceiling and upper Indirect Lighting walls of the room. 157 The material used for filament in an incandescent bulb. Tungsten 158 The equivalent of filament in a fluorescent lamp. Cathode 159 An automatic device used for converting high, fluctuating inlet water pressure to a lower Pressure Regulating Valve constant pressure. 160 An air-operated device used to open or close a damper or valve. Air Motor 161 In theater stage house, a weight usually of iron or sand used to balance suspended Counterweight scenery, or the like. 162 On elevators, a gear-driven machine having a drum to which the wire ropes that hoist the Winding-Drum Machine car are fastened, and on which they wind. 163 Vertical tracks that serves as a guide for the car and the counterweight. Guiderails 164 Under NBC, the clearance between the underside of the car and the bottom of the pit 600 mm shall not be less than ___. 165 Under NBC, the minimum diameter of hoisting and counterweight rope. 30 mm 166 Under NBC, the minimum width between balusters in an escalator. 558 mm 167 Under NBC, the maximum rated speed of an escalator along the angle of travel. 38 Meters/Min 168 The effective room temperature in air-conditioning. 68-74 ˚F 169 A private telephone system that interconnects with public telephone systems. PABX 170 Resistance in alternating current system. Impedance 171 The reciprocal of conductance. Resistance 172 The rate of flow of sound energy Sound Intensity 173 Lighting used primarily to draw attention to particular points of interest. Accent Lighting 174 A means of producing light from gaseous discharge. Fluorescense 175 A type of High-Intensity-Discharge lamp (HID). High-Pressure-Sodium (HPS) 176 Sound system input device that reacts to and converts variable sound pressure into Microphone variable electrical current. 177 A rate of rise type detector. Thermal Detector 178 Light originating from sources not facing each other, as from windows in adjacent walls. Cross Light 179 The process of removing calcium and magnesium deposits in water. Softening 180 A lighting unit consisting of one or more electrical lamps. Luminaire 181 A louvered construction divided into cell-like areas and used for redirecting the light Eggcrate emitted by an overhead source. 182 A graph used in air-conditioning and showing the properties of air-system mixtures. Psychrometric Chart 183 Heat that raises air temperature. Sensible Heat 184 The transmission of heat energy from one place to another by circulatory movement of a Convection mass of fluid. 185 A lamp designed to project and diffuse a uniform level of illumination over a large area. Floodlight 186 In boilers, they function only when exceeds prescribed unsafe operating conditions. Limit Controls and Interlocks 187 What type of sound absorbent is best for lower band frequencies. Porous Absorbents 188 The bending of sound wave when traveling forward changes direction as it passes through Refraction different densities. 189 True or false, number of fixture unit is one parameter in sizing a drainage pipe. TRUE 190 Water distribution system which constantly rely its pressure from the main water pipe applied only if the highest fixture is supplied continuously with the flow rate and minimum Upfeed System / Direct Method required working pressure. 191 What combination of pipe fittings is installed at the base of a soil stack? Wye and 1/8 Bend 192 What is the rating index of an air-conditioning/refrigeration system which rates the unit for Energy Efficiency Rating (EER) the number of BTU's of heat removed per watt of electrical input energy? 193 What mechanical equipment, coupled with a central air-conditioning system, is used to Fan Coil Unit to dehumidify and cool the air stream injected to a conditioned space. 194 A rigid metal housing for a group of heavy conductors insulated from each other and the Busway enclosure, also called Busduct. 195 A heavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, Bus and distributing large electric currents, also called a busbar. 196 An approved assembly of insulated conductors with fitting and conductor terminations in Page 4 of 6  Utilities completely enclosed ventilated protective metal housing where the assembly is designed Busway to carry fault current and to withstand the magnetic forces of such current. 197 A type of perimeter detector which detects object in heat range of body temperature. Passive Infrared 198 A type of perimeter detector which detects interruption of light beam. Light Beam 199 A type of perimeter detector which detects change in sound wave pattern. Ultrasonic 200 Women's urinal fixture. Washdown 201 True or false, brass and cast iron body cleanouts shall not be used as a reducer or TRUE adapter. 202 A box with a blank cover which serves the purpose of joining one different runs of raceways or cables and provided with sufficient space for connection and branching of the Pull Box enclosed conductors. 203 A type of water closet that is least efficient, subject to clogging, noisy, and use a simple Washdown (WD) washout action through a small irregular passageway. 204 This type of water closet is similar to that of the siphon-jet except that it has a smaller Reverse Trap (RT) trap passageway and smaller water surface area, moderately noisy. 205 A type of water closet that is noisy but highly efficient. Strong jet into up leg forces Blowout (BO) contents out. Use only with flush valve, requires higher pressure. 206 Water closet that is quiet, extremely sanitary, water is directed through the rim. It scours Siphon Vortex (SV) bowl, folds over into jet; siphon. 207 A water closet that is sanitary, efficient, and very quiet. Water enters through the rim and Siphon Jet (SJ) through the down leg. 208 A toilet bowl similar to the siphon-jet, but having the flushing water directed to the rim to Siphon Vortex (SV) create circular motion or vortex which scours the bowl. 209 A toilet bowl in which the flushing water enters through the rim and a siphonic action Siphon Jet (SJ) initiated by a water jet draws the contents of the bowl through the trapway. 210 A water closet similar to that of the siphon jet but with a smaller water surface and Reverse Trap (RT) trapway. 211 This type of water closet is prohibited by some health codes. Washdown (WD) 212 The concussion and banging noise that results when a volume of water moving in a pipe Water Hammer suddenly stops or loses momentum. 213 The length of a pipeline measured along the centerline of the pipe and pipe fittings. Developed Length 214 A shutoff valve closed by lowering a wedge-shaped gate across the passage. Gate Valve 215 A valve closed by a disk seating on an opening in an internal wall. Globe Valve 216 Liquid sewage that has been treated in a septic tank or sewage treatment plant. Effluent 217 The centerline of pipe. Spring Line 218 The interior top surface of a pipe. Crown 219 The interior bottom surface of a pipe. Invert 220 A type of perimeter detector which is subject to false alarm from aircraft radar and from Microwave movement outside building through window, wood doors, and the like. It uses radio waves. 221 This type of perimeter detector uses both the Passive infrared and Ultrasonic or Passive Infrared with 222 Microwave system. Ultrasonic (or Microwave) 223 This type of perimeter detector detects a change in capacitance of the area covered, Proximity / Capacitance caused by intrusion. 224 Color code for pipes containing acid. Black 225 A high intensity discharge lamp in which the light is produced by the radiation from a Metal Halide Lamp mixture of a metallic vapor, similar to that of a mercury lamp in construction. 226 A type of lamp popular for lighting commercial interiors, uses argon gas to ease starting, Mercury Lamp it produces light by means of an electric discharge in mercury vapor. 227 A type of lamp which produces light by means of the reaction of halogen additive in the Tungsten Halogen Lamp bulb reacts with chemically with tungsten. 228 A type of lamp generally used for roadways and sidewalks, uses sodium gas. High-Pressure-Sodium (HPS) 229 Building with fire alarm and suppression system. Intelligent Building 230 This shows the vertical relationships of all panels, feeders, switches, switchboards, and major components are shown up to, but not including, branch circuiting, it is an electrical Riser Diagram version of a vertical section taken through the building. 231 In elevator, it detects the obstacles during the door closing, and reopens the door if there Safety Shoe is something. Photocell can be used together with this. 232 It prevents passengers from falling into the hoistway when they try to get out Fascia Plate of the car which is stopped between the floors. In elevator, it makes the buzzer alarm when the car is overloaded and the door remains Weighing Device open until overloading is eliminated. Page 5 of 6  Utilities 233 In elevator, it protects the equipment from over current. Circuit Breaker 234 In elevator, these prevent the excessive car travel at the highest and lowest floor. Limit Switches 235 In escalators, these stop the escalator if a foreign object becomes wedged at the guard. Handrail Guard Switches 236 In escalators, this is located at the bottom truss of the escalator and provided with on and Disconnect Switch off positions to stop or prevents the escalator from starting during maintenance service. 237 This device, in escalators, is provided at the drive unit location to protect against Mechanical accidental movement of the escalator during inspection of the drives or during general Maintenance maintenance. Locking Device 238 This device, in escalators, stops the escalator automatically if an abnormal current is Current Overload Safety Switch supplied to the motor. 239 This switch cuts off all current supply to the escalator for inspection, maintenance, or Knife Switch repairs. 240 In a lightning protection system, the combination of a metal rod and its brace or footing, Air Terminal on the upper part of a structure. 241 One of the earlier plastic to be developed in 1938, a du pont trade name for the white, Teflon soft, waxy, and non-adhesive polymer of tetrafluoroethylene. 242 The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles Frequency per second. 243 Of a partition, the number of decibels by which sound is reduced in transmission through it; a measure of the sound insulation value of the partition, the higher the number, the Transmission Loss greater the insulation value. 244 The cooling effect obtained when 1 ton of ice at 32 oF (0 oC) melts to water at the same Ton of Refrigeration tmeperature in 24 hrs. (equivalent to 12,000 Btu/hr) Page 6 of 6