Terms : Hide Images
| 4635077983 | national master plumbers association of the philippines | NAMPAP | 0 | |
| 4635077984 | shut off valve | a gate valve normally used to shut off flow of water from supply pipe | 1 | |
| 4635077985 | key cock | a faucet normally turned 90 degrees to open or close | 2 | |
| 4635077986 | indirect system | overhead tank water distribution system is a _____ system | 3 | |
| 4635077987 | jack pump | pump normally used for farm purposes |  | 4 |
| 4635077988 | centrifugal rotary | pumps with turbines | 5 | |
| 4635077989 | building design occupants heating capacity | things to consider when sizing the hot water tank | 6 | |
| 4635077990 | 4"? | minimum house drain diameter | 7 | |
| 4635077991 | .5 | pipe sleeves must be ___ x the size of a pipe they protect | 8 | |
| 4635077992 | lead | cleanout plugs must be made of | 9 | |
| 4635077993 | 2 | minimum " for underground drainage pipe | 10 | |
| 4635077994 | 100 | temperature needed to be considered hot water ___ C | 11 | |
| 4635077995 | bedpen washer | aka clinical sink | 12 | |
| 4635077996 | 2 | minimum water service connections for hospital | 13 | |
| 4635077997 | backflow prevention device | sillcocks require a ____ | 14 | |
| 4635077998 | private water source | a well is considered mostly as a ____ | 15 | |
| 4635077999 | 6 | maximum distance in ft a 2 in trap from its vent | 16 | |
| 4635078000 | .02 | maximum allowable % for soldered connections with lead pipe joints | 17 | |
| 4635078001 | 8 | maximum allowable % for soldered connections with lead | 18 | |
| 4635078002 | 12 | minimum ' clearance infront of a cleanout | 19 | |
| 4635078003 | 10 | minimum ' clearance from a terminal and a window opening in a building | 20 | |
| 4635078004 | 6 | maximum pipe side diameter not needing an effing manhole | 21 | |
| 4635078005 | 1" | recommended size of MWSS for service pipe in 2 storey residential | 22 | |
| 4635078006 | 3/4 | minimum water supply size for flush valve urinal | 23 | |
| 4635078007 | 1 | minimum water supply pipe diameter size " for flushometer valve water closet | 24 | |
| 4635078008 | 1/2 | minimum water supply pipe diameter size " for water closet without flushometer valve | 25 | |
| 4635078009 | potability | first steps in selecting water source | 26 | |
| 4635078010 | residence | class 1 type occupancy water supply | 27 | |
| 4635078011 | restricted use | class 2 type occupancy water supply | 28 | |
| 4635078012 | unrestricted use | class 3 type occupancy water supply | 29 | |
| 4635078013 | permanent temporary | what makes up total hardness | 30 | |
| 4635078014 | greensand filtraiton | treatment of wells for acidity | 31 | |
| 4635078015 | marblestone filtration | treatment for waste water | 32 | |
| 4635078016 | whitesand filtration | treatment for swimming pool treatment | 33 | |
| 4635078017 | algae | cause of objectionable tastes and odor of water | 34 | |
| 4635078018 | service pipe | pipe from the street water main to the building served | 35 | |
| 4635078019 | GV WM CV | order of valves for water connection | 36 | |
| 4635078020 | building supply pipe | pipe carrying potable water from the water meter to a building or other point of use or distribution | 37 | |
| 4635078021 | fixture supply | water supply pipe connecting the fixture with the fixture branch | 38 | |
| 4635078022 | unit vent | vent installed so that one vent pipe serves two traps | 39 | |
| 4635078023 | circuit vent | a group vent which starts infront of the extreme fixture connection on a horizontal branch and connects to the vent stack | 40 | |
| 4635078024 | looped vent | vent used for islands and lavatories away from the wall and vent branch | 41 | |
| 4635078025 | pump circuit system | system used to produce a more efficient circulation of hot water to the upper floor levels of a multi storey building circulation of hot water by means of mechanical device | 42 | |
| 4635078026 | zdownfeed & gravity return system | system of where hot water rises on the the highest point of the plumbing system and travels to the fixture via gravity | 43 | |
| 4635078027 | relief vent | A vent to relieve the pressure ahead of moving effluent in a horizontal fixture branch. | 44 | |
| 4635078028 | yoke vent | A pipe CONNECTING UPWARD from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stack | 45 | |
| 4635078029 | 5 | yoke vent is required for every ___ floors | 46 | |
| 4635078030 | .6 | house sewer is part of the plumbing system which extends ____ m from the foundation of the wall of the building | 47 | |
| 4635078031 | invert | lowest part of the inside face of any pipe | 48 | |
| 4635078032 | crown | highest part of the inside face of any pipe | 49 | |
| 4635078033 | spring line | the midpoint level of a pipe | 50 | |
| 4635078034 | clevice | pipe hanger for pipes with pressure shape: ---o--- | 51 | |
| 4635078035 | bending pin | tool used for straightening or bending lead pipe | 52 | |
| 4635078036 | tailpiece | pipe or tubing that connects the outlet of a plumbing fixture to a trap | 53 | |
| 4635078037 | slip joint | adjustable tubing connection consisting of a compression nut, friction ring, and compression washer | 54 | |
| 4635078038 | building subdrain | that portion of an underground system, which cannot drain by gravity into the building sewer | 55 | |
| 4635078039 | subsoil drain | an underground drainpipe that receives only sub-surface or seepage water and convey it to a sump for disposal by gravity flow or by lift pump | 56 | |
| 4635078040 | 15 | cleanout is required every ____m run of pipes | 57 | |
| 4635078041 | upper terminal | each horizontal drainage pipe shall be provided a cleanout at its ____ | 58 | |
| 4635078042 | 1.5 | pipe runs that don't need a cleanout | 59 | |
| 4635078043 | 135 | additional cleanout is to be provided for every line of pipe exceed ____ in angle | 60 | |
| 4635078044 | after | cleanouts shall be provided ____ interceptors | 61 | |
| 4635078045 | 305 | clearance needed in front of a 51mm or less cleanout | 62 | |
| 4635078046 | 450 | clearance needed in front of a >51mm cleanout | 63 | |
| 4635078047 | 750 | clearance of underfloor cleanout to the nearest well | 64 | |
| 4635078048 | 450 | clearance of an underfloor cleanout to the upper slab | 65 | |
| 4635078049 | countersunk | type of cleanout installed where raised heads may cause hazard to uisers or vehicles | 66 | |
| 4635078050 | 9.79 kpa | difference in pressure per meter of elevation | 67 | |
| 4635078051 | 6.895 | ______ kpa = 1 psi | 68 | |
| 4635078052 | french drain | a covering for trench normally used for provincial cities using the curb and gutter | 69 | |
| 4635078053 | 200 | minimum mm for gutter | 70 | |
| 4635078054 | 1:3 | ratio of allowable offsets | 71 | |
| 4635078055 | 2" | minimum depth of floor drain outlet to crown of drain pipe | 72 | |
| 4635078056 | 3 | maximum number of water closets for one horizontal 3" soil pipe | 73 | |
| 4635078057 | 4 | maximum number of water closets for one vertical 3" soil pipe | 74 | |
| 4635078058 | largest building sewer | minimum aggregate cross sectional area of all venting pipes | 75 | |
| 4635078059 | 152 | minimum mm of vent vertical rise from flood level rim of fixtures | 76 | |
| 4635078060 | union |  | 77 | |
| 4635078061 | union | designed to allow quick and convenient disconnection of pipes for maintenance or fixture replacement | 78 | |
| 4635078062 | neoprene rubber compression gasket | used on CIPs using a compression joint | 79 | |
| 4635078063 | o-ring | used on CIPs with hubless joint | 80 | |
| 4635078064 | threaded joints | joinery used for galvanized iron, steel, and plastic pipes | 81 | |
| 4635078065 | male threads | pipe joint material should be applied on | 82 | |
| 4635078066 | soldering nipple or caulking ferrule | joints between lead pip and cast iron or wrought iron shall be of ____ | 83 | |
| 4635078067 | standard flare | 2 types of compression fittings | 84 | |
| 4635078068 | cement mortar joint | joinery used in concrete pipes | 85 | |
| 4635078069 | burned lead joint | used for lead jointery | 86 | |
| 4635078070 | neoprene rubber rings + coupling of same material | used in asbestos cement sewer pipe joint | 87 | |
| 4635078071 | flange joint | joint consisting of 2 companion flanges bolted together and made leak proof by means of a gasket | 88 | |
| 4635078072 | heat fusion joint | joint used on thermoplastic pipes where both pieces are simultaneously heat and pressed together | 89 | |
| 4635078073 | flange joint | lNl | 90 | |
| 4635078074 | weld | --xNx-- | 91 | |
| 4635078075 | screw | -N- | 92 | |
| 4635078076 | soldered | -oNo- | 93 | |
| 4635078077 | 6" | diameter of pipe conveying main to house supply | 94 | |
| 4635078078 | lead cadmium arsenic | common harmful substances normally contained in pipe material | 95 | |
| 4635078079 | polyethylene pipe |  | 96 | |
| 4635078080 | galvanized steel or iron | traditional piping material | 97 | |
| 4635078081 | lead cadmium arsenic | most probable contaminants infused in piping material` | 98 | |
| 4635078082 | galvanized steel or iron | material used in traditional piping | 99 | |
| 4635078083 | type K | thickest usable copper pipe diameter size for drainage; normally used for deep underground burial such as under sidewalks and streets, with a suitable corrosion protection coating or continuous polyethylene sleeve as required by code. | 100 | |
| 4635078084 | Polybutylene | a flexible non-metallic material that can be used in hot and cold drinking piping lines | 101 | |
| 4635078085 | PVC | usually white in default color and is used only for carrying cold water | 102 | |
| 4635078086 | ABS | black in default and mainly used for DWV. can be connected to metal pipes | 103 | |
| 4635078087 | Polyethylene cross link | PEX | 104 | |
| 4635078088 | ABS | acrylonitrite butadiene styrene | 105 | |
| 4635078089 | CPVC | yellow in default color, hot and cold water. but can't be burried. cheap but lacks long term durability | 106 | |
| 4635078090 | PVC | becomes brittle when exposed outside or to too much heat | 107 | |
| 4635078091 | HDPE | normally used for drainage which can withstand high temperatures and pressure | 108 | |
| 4635078092 | MDPE | PE that can withstand higher internal pressure due to its flexibility. normally used for long distance water drinking piping | 109 | |
| 4635078093 | LDPE | applied to instances where operating pressures are low, low cost, and high degree of flexibility | 110 | |
| 4635078094 | underwriters laboratory | international Non-profit organization that provides guidelines and certification for physical security | 111 | |
| 4635078095 | PNS | Philippine National Standards | 112 | |
| 4635078096 | teflon tape | used on threaded piping materials | 113 | |
| 4635078097 | Type L & M | copper type used in residential and commercial water supply and pressure applications | 114 | |
| 4635078098 | type DWV | copper type normally used for unpressurized applications | 115 | |
| 4635078099 | M | copper type with red stripe | 116 | |
| 4635078100 | L | copper type with blue stripe | 117 | |
| 4635078101 | K | copper type with green stripe | 118 | |
| 4635078102 | DWV | copper type with yellow stripe | 119 | |
| 4635078103 | Polypropylene | PPR | 120 | |
| 4635078104 | heat fusion | PPR is joined by ______ | 121 | |
| 4635078105 | durham system | system of soil or waste system with threaded and recessed drainage fittings | 122 | |
| 4635078106 | Browne and Sharpe | aka bell and spigot system | 123 | |
| 4635078107 | 800 | water is denser than air by _____ | 124 | |
| 4635078108 | 1.5 | minimum water service pipe diameter in " | 125 | |
| 4635078109 | permit | required when replacing existing water heater | 126 | |
| 4635078110 | lead | cleanout plug must be made of ____ | 127 | |
| 4635078111 | 1/4" | minimum diameter of closet flange for plastic | 128 | |
| 4635078112 | fill tube | part of water closet that refills the bowl with a predetermined amount of water | 129 | |
| 4635078113 | float adjustment screw | adjusts the ball valve level of the water closet | 130 | |
| 4635078114 | overflow tube | tube that leads excess water into the bowl. also the termination of the fill tube | 131 | |
| 4635078115 | trip lever | lifts the flapper which allows water to escape via the flush valve | 132 | |
| 4635078116 | flush valve | A device located at the bottom of a flush tank that is operated to flush water closets, holds the flapper in place | 133 | |
| 4635078117 | trough urinal |  | 134 | |
| 4635078118 | parking deck drain | drain with countersunk deck flange 394mm in diameter with round top and ductile iron gate | 135 | |
| 4635078119 | sanitary floor drain |  | 136 | |
| 4635078120 | roof drain | identify the blue part in the picture |  | 137 |
| 4635078121 | open ceiling | upright sprinkler systems are placed on areas with ____ | 138 | |
| 4635078122 | centrifugal pump | a pump using an impeller to pull water into the suction side of the pump, scoops it and pushes it out on the vertical end | 139 | |
| 4635078123 | piston pump | a pump using a piston to move fluid up, Positive-displacement pump using one or more reciprocating pistons to force water from the pump chambers. | 140 | |
| 4635078124 | rotary pump | uses vanes that trap the water between 2 vanes and move water from the inlet to the outlet side of the pump | 141 | |
| 4635078125 | jet pump | a pump used frequently for domestic water supply. works by suction | 142 | |
| 4635078126 | plumbing appliance | a special device or equipment intended to perform a special plumbing function | 143 | |
| 4635078127 | plumbing appurtenance | serves as adjunct to the basic piping system and plumbing fixture | 144 | |
| 4635078128 | plumbing fixture | receptacle which water or water wastes may be collected or retained for ultimate discharge into the plumbing system | 145 | |
| 4635078129 | flushometer tank | air accumulator vessel to discharge a predetermined quantity of water for flushing purposes | 146 | |
| 4635078130 | flushometer valve | to discharge a predetermined quantity of water for flushing purposes acutated by direct water pressure | 147 | |
| 4635078131 | air break | physical separation from indirect waste pipe to waste receptor | 148 | |
| 4635078132 | air gap | unobstructed vertical distance through free atmosphere between the lowest opening from any pipe to the flood level rim | 149 | |
| 4635078133 | 2 | air gap being maintained from effective opening to flood rim is ___ x outlet diameter | 150 | |
| 4635078134 | battery | two or more similar adjacent with discharge into a common horizontal or soil branch | 151 | |
| 4635078135 | 4 | required faucets/bibbs for 1 plumbing unit | 152 | |
| 4635078136 | 3 | required floor drains for 1 plumbing unit | 153 | |
| 4635078137 | .6 | distance of the center of one urinal to another | 154 | |
| 4635078138 | .3 or .5? | distance of center of one urinal to a wall | 155 | |
| 4635078139 | flush | class of lavatory where the rim of the fixture aligns with the top portion of the counter | 156 | |
| 4635078140 | self rimming | class of lavatory where the rim of the fixture is above the top portion of the counter | 157 | |
| 4635078141 | under counter | class of lavatory where the rim of the fixture aligns with the bottom portion of the counter | 158 | |
| 4635078142 | .75 | center to center distance of a bidet/water closet to another similar fixture | 159 | |
| 4635078143 | .375 | center distance of a bidet to a wall | 160 | |
| 4635078144 | 3" | minimum trap seal of a floor drain | 161 | |
| 4635078145 | 2" | minimum outlet size of a floor drain | 162 | |
| 4635078146 | 2-4% | shower receptor slope range | 163 | |
| 4635078147 | .6 | min. interior area of shower | 164 | |
| 4635078148 | 762 | minimum diameter circle of a shower compartment | 165 | |
| 4635078149 | 1.78 | min clear height of a shower compartment | 166 | |
| 4635078150 | 4.9 | spacing for gang shower drains | 167 | |
| 4635078151 | 3m | minimum height of water test | 168 | |
| 4635078152 | 3m+previous 3m | minimum height of water test for more than 1 section | 169 | |
| 4635078153 | 15m | minimum time for water test before inspection | 170 | |
| 4635078154 | 5 PSI 34.5 kpa | minimum air pressure of air test | 171 | |
| 4635078155 | once a year | how often does a septic tank need to be inpsected | 172 | |
| 4635078156 | 3" | a septic tank needs to be cleaned if the bottom of scum mat is within ____ from the bottom outlet | 173 | |
| 4635078157 | 50% | a septic tank needs to cleaned if scum has reduced the liquid capacity by ____ | 174 | |
| 4635078158 | septic tanks | ______ shall not be washed after being cleansed | 175 | |
| 4635078159 | 1.2m | minimum depth of septic tank | 176 | |
| 4635078160 | 1:2 | proportion of leaching chamber to digesting chamber | 177 | |
| 4635078161 | 20cm | minimum vertical distance from liquid level to inside top of the septic tank | 178 | |
| 4635078162 | .508 | minimum size of manhole for septic tank | 179 | |
| 4635078163 | 25 | septic tanks shall be placed ______ m from spring, well cistern or other source of drinking water supply | 180 | |
| 4635078164 | 1.5 | septic tanks shall be placed ______ m from water service line | 181 | |
| 4635078165 | 3 | septic tanks shall be placed ______ m from water main | 182 | |
| 4635078166 | innocuous | industrial waste must first be rendered ____ | 183 | |
| 4635078167 | 2 | all (practical) drainage slopes should be aligned at a uniform slope of ____% | 184 | |
| 4635078168 | threaded | cast iron soil pipes shall not be ____ | 185 | |
| 4635078169 | 102 | an enlargement of a closet bend from 76mm to ____ shall not be considered as an obstruction | 186 | |
| 4635078170 | embedded metal pipe sleeves | pipes passing through or under walls shall be protected from breakage via ___ | 187 | |
| 4635078171 | bitumen | void between pipes through concrete floors or walls in the ground shall be sealed with ___ | 188 | |
| 4635078172 | 45 | degree from which a pipe should be clear from a building element | 189 | |
| 4635078173 | .6 | no building sewer shall be installed under or within ____m of any building or structure | 190 | |
| 4635078174 | .3 | no building sewer shall be placed below ____m finish ground surface | 191 | |
| 4635078175 | 102 | minimum diameter of a pipe to allow a 1% slope | 192 | |
| 4635078176 | wye and 1/8 bend | connection of a horizontal drainage pipe to a vertical stack is composed of a sanitary tee or ______ | 193 | |
| 4635078177 | 2 | how many pipe sizes larger should the barrel of a double sanitary tee be as opposed to its branches | 194 | |
| 4635078178 | RA 1738 | also known as the plumbing law of the philippines | 195 | |
| 4635078179 | 6 | sets reuired for requirements of a permit | 196 | |
| 4635078180 | 1 obo 2 owner | retention of plans | 197 | |
| 4635078181 | 1 year | validity of permit if not commenced | 198 | |
| 4635078182 | 120 days | validity of permit if suspended or abandoned | 199 | |
| 4635078183 | Virgilio Simbulan | chairman of Master plumbers | 200 | |
| 4635078184 | 1935 | year NAMPAP was formally organized | 201 | |
| 4635078185 | >= 1.4 cu.m. | unconfined space aggregate area | 202 | |
| 4635078186 | backflow prevention device | required for pipes carrying chemicals | 203 | |
| 4635078187 | 3 | minimum airgap for water distribution if affected by sidewalls is ___x the diameter of outlet | 204 | |
| 4635078188 | 305 | clearance of backflow prevention devices from the ground | 205 | |
| 4635078189 | 1.52 | backflow installations above ___ shall be provided with a platform | 206 | |
| 4635078190 | 25mm | minimum airgap of an outlet | 207 | |
| 4635078191 | 152mm | minimum elevation of atmospheric vacuum breaker to the flood rim | 208 | |
| 4635078192 | 8% | water lead content unfit for consumption | 209 | |
| 4635078193 | 18 mess | screen protector for gravity supply tanks: _____ per 25mm | 210 | |
| 4635078194 | 103 kpa | pressure deemed inadequate for water supply | 211 | |
| 4635078195 | .3 | height difference of water supply to building drainage if crossing paths | 212 | |
| 4635078196 | .3 | minimum horizontal distance of water supply pipe from building drain | 213 | |
| 4635078197 | bitumastic or fiberglass wrapping | ferrous pipes shall be protected with _______ | 214 | |
| 4635078198 | .3 | minimum distance of placement of union to the serving fixture | 215 | |
| 4635078199 | 1" | minimum depth of lead for caulked joints | 216 | |
| 4635078200 | 3.2 | minimum ____mm for finished joint of caulked joints | 217 | |
| 4635078201 | 610 | minimum depth in mm for sand interceptor | 218 | |
| 4635078202 | local water utilities administration | LWUA | 219 | |
| 4635078203 | creek | not a source of ground water | 220 | |
| 4635078204 | 10 | number of sprinkler heads needed for 10x15 congregation room | 221 | |
| 4635078205 | 1.8 | minimum length of digestive chamber | 222 | |
| 4635078206 | .90 | minimum length of leaching chamber | 223 | |
| 4635078207 | 1.2 | minimum width of septic tank | 224 | |
| 4635078208 | 610 | minimum mm depth of sand interceptor from invert of pipe | 225 | |
| 4635078209 | 1.2 | maximum horizontal distance of grease trap inlet to outlet | 226 | |
| 4635078210 | .75 | maximum vertical distance of grease trap inlet to outlet | 227 | |
| 4635078211 | 102 mm/h | normal rainfall intensity within manila | 228 | |
| 4635078212 | 1 | floor drain | 229 | |
| 4635078213 | 2 | lavatory | 230 | |
| 4635078214 | 2 | bathtub/shower bath | 231 | |
| 4635078215 | 2 | laundry tub | 232 | |
| 4635078216 | 3 | slop sink | 233 | |
| 4635078217 | 5 | pub urinal? | 234 | |
| 4635078218 | 6 | public water closet | 235 | |
| 4635078219 | 4 | private water closet | 236 | |
| 4635078220 | 28.3 | _____liters per minute = 1 FU | 237 | |
| 4635078221 | 7.5 | ____ gallons per minute = 1 FU | 238 | |
| 4635078222 | bowl gasket | placed inbetween the water closet and the closet bend | 239 | |
| 4635078223 | 1 2 | bar sink private and public use | 240 | |
| 4635078224 | 2 4 | bathtub private and public use | 241 | |
| 4635078225 | 1 | dental unit or cuspidor | 242 | |
| 4635078226 | 3 5 | hose bibb public and private use | 243 | |
| 4635078227 | 6 | mobile home | 244 | |
| 4635078228 | 2 4 | shower private and public use | 245 | |
| 4635078229 | 1 2 | bar sink private and public uise | 246 | |
| 4635078230 | 10 | flushing rim clinic | 247 | |
| 4635078231 | 1 | lawn sprinkler per head | 248 | |
| 4635078232 | 70 | percentage of fresh water that goes to agriculture | 249 | |
| 4635078233 | 5000 | number of larg water supply system service connections | 250 | |
| 4635078234 | 1000 | number of service connections for small water supply | 251 | |
| 4635078235 | coagulation | the process of forming semisolid lumps in a liquid | 252 | |
| 4635078236 | point source | protected well or developed spring without distribution system | 253 | |
| 4635078237 | 15 | number of households able to serve a level 1 water supply system | 254 | |
| 4635078238 | 4-6 | number of households able to serve a level 2 water supply system | 255 | |
| 4635078239 | communal faucet system | level 2 water supply system | 256 | |
| 4635078240 | waterworks system | level 3 water supply system | 257 | |
| 4635078241 | artesian well | wel confined under hydrostatic pressure | 258 | |
| 4635078242 | bored well | well constructed by manually driven augers | 259 | |
| 4635078243 | deep well | well with depth normally of 20m | 260 | |
| 4635078244 | drilled well | well constructed of percussion or rotary drills | 261 | |
| 4635078245 | driven well | A well constructed by driving a pipe in the ground. The drive pipe is usually fitted with a well point and screen. | 262 | |
| 4635078246 | dug well | well normally with diameter of 1-1.5m | 263 | |
| 4635078247 | shallow well | well with a depth of not more than 20m | 264 | |
| 4635078248 | 6.5 -8.5 | ph levels of potable water | 265 | |
| 4635078249 | sea water animal waste | causes of chlorides in water | 266 | |
| 4635078250 | reverse osmosis | A desalinization process that involves forcing salt-water through a membrane permeable to water but not to salt | 267 | |
| 4635078251 | reverse osmosis deionization | used to dechlorinate water | 268 | |
| 4635078252 | copper | causes blue green stain on plumbing fixtures | 269 | |
| 4635078253 | adjust alkalinity | treatment for copper in water | 270 | |
| 4635078254 | flouride | added to water to elevate alkalinity | 271 | |
| 4635078255 | hardness | inherent raw water quality due to presence of calcium and magnesium | 272 | |
| 4635078256 | hardness | causes white powdery residue on plumbing fixture | 273 | |
| 4635078257 | iron and manganese | present in water to induce yellow to black discoloration | 274 | |
| 4635078258 | iron and manganese | causes bitter metallic taste | 275 | |
| 4635078259 | zeolite | A substance used in water softening which exchanges sodium ions for magnesium or calcium ions in hard water. It is regenerated by passing brine through it which reverses the exchange. | 276 | |
| 4635078260 | aeration | best treatment for removing taste and odors from water | 277 | |
| 4635078261 | aeration granulated activated carbon filtration ozonation | treatment for taste and odors of water | 278 | |
| 4635078262 | deionization | process wherein water passes through a cartridge where dissolved mineral salts are retained producing mineral free water | 279 | |
| 4635078263 | granulated activated carbon | a type of neutralizing filter | 280 | |
| 4635078264 | angat dam | supplies 97% of water needs in metro manila | 281 | |
| 4635078265 | novaliches plant | plant supplying west zone of mm | 282 | |
| 4635078266 | balara | plant supplying the east zone of mm | 283 | |
| 4635078267 | indirect pressure distribution | classification of public water distribution using deep wells | 284 | |
| 4635078268 | direct pressure distribution | public water distribution where water undergoes the filtration plant | 285 | |
| 4635078269 | air pressure system | system of water dist which has less initial cost but higher residual cost due to electricity consumption | 286 | |
| 4635078270 | 10 | maximum floor able to reach pneumatic tank | 287 | |
| 4635078271 | 7.5 | how many gallons per 1 f.u. | 288 | |
| 4635078272 | 50-100 | probability of simultaneous use for 1-5 FU | 289 | |
| 4635078273 | 25-50 | probability of use for 6-50 fixture units | 290 | |
| 4635078274 | 10-25 | probability of simul. use for 50+ f.u. | 291 |
