Terms : Hide Images
| 4666727900 | national master plumbers association of the philippines | NAMPAP | 0 | |
| 4666727901 | shut off valve | a gate valve normally used to shut off flow of water from supply pipe | 1 | |
| 4666727902 | key cock | a faucet normally turned 90 degrees to open or close | 2 | |
| 4666727903 | indirect system | overhead tank water distribution system is a _____ system | 3 | |
| 4666727904 | jack pump | pump normally used for farm purposes |  | 4 |
| 4666727905 | centrifugal rotary | pumps with turbines | 5 | |
| 4666727906 | building design occupants heating capacity | things to consider when sizing the hot water tank | 6 | |
| 4666727907 | 4"? | minimum house drain diameter | 7 | |
| 4666727908 | .5 | pipe sleeves must be ___ x the size of a pipe they protect | 8 | |
| 4666727909 | lead | cleanout plugs must be made of | 9 | |
| 4666727910 | 2 | minimum " for underground drainage pipe | 10 | |
| 4666727911 | 100 | temperature needed to be considered hot water ___ C | 11 | |
| 4666727912 | bedpan washer | aka clinical sink | 12 | |
| 4666727913 | 2 | minimum water service connections for hospital | 13 | |
| 4666727914 | backflow prevention device | sillcocks require a ____ | 14 | |
| 4666727915 | private water source | a well is considered mostly as a ____ | 15 | |
| 4666727916 | 6 | maximum distance in ft a 2 in trap from its vent | 16 | |
| 4666727917 | .02 | maximum allowable % for soldered connections with lead pipe joints | 17 | |
| 4666727918 | 8 | maximum allowable % for soldered connections with lead | 18 | |
| 4666727919 | 12 | minimum ' clearance infront of a cleanout | 19 | |
| 4666727920 | 10 | minimum ' clearance from a terminal and a window opening in a building | 20 | |
| 4666727921 | 6 | maximum pipe side diameter not needing an effing manhole | 21 | |
| 4666727922 | 1" | recommended size of MWSS for service pipe in 2 storey residential | 22 | |
| 4666727923 | 3/4 | minimum water supply size for flush valve urinal | 23 | |
| 4666727924 | 1 | minimum water supply pipe diameter size " for flushometer valve water closet | 24 | |
| 4666727925 | 1/2 | minimum water supply pipe diameter size " for water closet without flushometer valve | 25 | |
| 4666727926 | potability | first steps in selecting water source | 26 | |
| 4666727927 | residence | class 1 type occupancy water supply | 27 | |
| 4666727928 | restricted use | class 2 type occupancy water supply | 28 | |
| 4666727929 | unrestricted use | class 3 type occupancy water supply | 29 | |
| 4666727930 | permanent temporary | what makes up total hardness | 30 | |
| 4666727931 | greensand filtraiton | treatment of wells for acidity | 31 | |
| 4666727932 | marblestone filtration | treatment for waste water | 32 | |
| 4666727933 | whitesand filtration | treatment for swimming pool treatment | 33 | |
| 4666727934 | algae | cause of objectionable tastes and odor of water | 34 | |
| 4666727935 | service pipe | pipe from the street water main to the building served | 35 | |
| 4666727936 | GV WM CV | order of valves for water connection | 36 | |
| 4666727937 | building supply pipe | pipe carrying potable water from the water meter to a building or other point of use or distribution | 37 | |
| 4666727938 | fixture supply | water supply pipe connecting the fixture with the fixture branch | 38 | |
| 4666727939 | unit vent | vent installed so that one vent pipe serves two traps | 39 | |
| 4666727940 | circuit vent | a group vent which starts infront of the extreme fixture connection on a horizontal branch and connects to the vent stack | 40 | |
| 4666727941 | looped vent | vent used for islands and lavatories away from the wall and vent branch | 41 | |
| 4666727942 | 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 | |
| 4666727943 | 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 | |
| 4666727944 | relief vent | A vent to relieve the pressure ahead of moving effluent in a horizontal fixture branch. | 44 | |
| 4666727945 | 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 | |
| 4666727946 | 5 | yoke vent is required for every ___ floors | 46 | |
| 4666727947 | .6 | house sewer is part of the plumbing system which extends ____ m from the foundation of the wall of the building | 47 | |
| 4666727948 | invert | lowest part of the inside face of any pipe | 48 | |
| 4666727949 | crown | highest part of the inside face of any pipe | 49 | |
| 4666727950 | spring line | the midpoint level of a pipe | 50 | |
| 4666727951 | clevice | pipe hanger for pipes with pressure shape: ---o--- | 51 | |
| 4666727952 | bending pin | tool used for straightening or bending lead pipe | 52 | |
| 4666727953 | tailpiece | pipe or tubing that connects the outlet of a plumbing fixture to a trap | 53 | |
| 4666727954 | slip joint | adjustable tubing connection consisting of a compression nut, friction ring, and compression washer | 54 | |
| 4666727955 | building subdrain | that portion of an underground system, which cannot drain by gravity into the building sewer | 55 | |
| 4666727956 | 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 | |
| 4666727957 | 15 | cleanout is required every ____m run of pipes | 57 | |
| 4666727958 | upper terminal | each horizontal drainage pipe shall be provided a cleanout at its ____ | 58 | |
| 4666727959 | 1.5 | pipe runs that don't need a cleanout | 59 | |
| 4666727960 | 135 | additional cleanout is to be provided for every line of pipe exceed ____ in angle | 60 | |
| 4666727961 | after | cleanouts shall be provided ____ interceptors | 61 | |
| 4666727962 | 305 | clearance needed in front of a 51mm or less cleanout | 62 | |
| 4666727963 | 450 | clearance needed in front of a >51mm cleanout | 63 | |
| 4666727964 | 750 | clearance of underfloor cleanout to the nearest well | 64 | |
| 4666727965 | 450 | clearance of an underfloor cleanout to the upper slab | 65 | |
| 4666727966 | countersunk | type of cleanout installed where raised heads may cause hazard to uisers or vehicles | 66 | |
| 4666727967 | 9.79 kpa | difference in pressure per meter of elevation | 67 | |
| 4666727968 | 6.895 | ______ kpa = 1 psi | 68 | |
| 4666727969 | french drain | a covering for trench normally used for provincial cities using the curb and gutter | 69 | |
| 4666727970 | 200 | minimum mm for gutter | 70 | |
| 4666727971 | 1:3 | ratio of allowable offsets | 71 | |
| 4666727972 | 2" | minimum depth of floor drain outlet to crown of drain pipe | 72 | |
| 4666727973 | 3 | maximum number of water closets for one horizontal 3" soil pipe | 73 | |
| 4666727974 | 4 | maximum number of water closets for one vertical 3" soil pipe | 74 | |
| 4666727975 | largest building sewer | minimum aggregate cross sectional area of all venting pipes | 75 | |
| 4666727976 | 152 | minimum mm of vent vertical rise from flood level rim of fixtures | 76 | |
| 4666727977 | union |  | 77 | |
| 4666727978 | union | designed to allow quick and convenient disconnection of pipes for maintenance or fixture replacement | 78 | |
| 4666727979 | neoprene rubber compression gasket | used on CIPs using a compression joint | 79 | |
| 4666727980 | o-ring | used on CIPs with hubless joint | 80 | |
| 4666727981 | threaded joints | joinery used for galvanized iron, steel, and plastic pipes | 81 | |
| 4666727982 | male threads | pipe joint material should be applied on | 82 | |
| 4666727983 | soldering nipple or caulking ferrule | joints between lead pip and cast iron or wrought iron shall be of ____ | 83 | |
| 4666727984 | standard flare | 2 types of compression fittings | 84 | |
| 4666727985 | cement mortar joint | joinery used in concrete pipes | 85 | |
| 4666727986 | burned lead joint | used for lead jointery | 86 | |
| 4666727987 | neoprene rubber rings + coupling of same material | used in asbestos cement sewer pipe joint | 87 | |
| 4666727988 | flange joint | joint consisting of 2 companion flanges bolted together and made leak proof by means of a gasket | 88 | |
| 4666727989 | heat fusion joint | joint used on thermoplastic pipes where both pieces are simultaneously heat and pressed together | 89 | |
| 4666727990 | flange joint | lNl | 90 | |
| 4666727991 | weld | --xNx-- | 91 | |
| 4666727992 | screw | -N- | 92 | |
| 4666727993 | soldered | -oNo- | 93 | |
| 4666727994 | 6" | diameter of pipe conveying main to house supply | 94 | |
| 4666727995 | lead cadmium arsenic | common harmful substances normally contained in pipe material | 95 | |
| 4666727996 | polyethylene pipe |  | 96 | |
| 4666727997 | galvanized steel or iron | traditional piping material | 97 | |
| 4666727998 | lead cadmium arsenic | most probable contaminants infused in piping material` | 98 | |
| 4666727999 | galvanized steel or iron | material used in traditional piping | 99 | |
| 4666728000 | 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 | |
| 4666728001 | Polybutylene | a flexible non-metallic material that can be used in hot and cold drinking piping lines | 101 | |
| 4666728002 | PVC | usually white in default color and is used only for carrying cold water | 102 | |
| 4666728003 | ABS | black in default and mainly used for DWV. can be connected to metal pipes | 103 | |
| 4666728004 | Polyethylene cross link | PEX | 104 | |
| 4666728005 | ABS | acrylonitrite butadiene styrene | 105 | |
| 4666728006 | CPVC | yellow in default color, hot and cold water. but can't be burried. cheap but lacks long term durability | 106 | |
| 4666728007 | PVC | becomes brittle when exposed outside or to too much heat | 107 | |
| 4666728008 | HDPE | normally used for drainage which can withstand high temperatures and pressure | 108 | |
| 4666728009 | MDPE | PE that can withstand higher internal pressure due to its flexibility. normally used for long distance water drinking piping | 109 | |
| 4666728010 | LDPE | applied to instances where operating pressures are low, low cost, and high degree of flexibility | 110 | |
| 4666728011 | underwriters laboratory | international Non-profit organization that provides guidelines and certification for physical security | 111 | |
| 4666728012 | PNS | Philippine National Standards | 112 | |
| 4666728013 | teflon tape | used on threaded piping materials | 113 | |
| 4666728014 | Type L & M | copper type used in residential and commercial water supply and pressure applications | 114 | |
| 4666728015 | type DWV | copper type normally used for unpressurized applications | 115 | |
| 4666728016 | M | copper type with red stripe | 116 | |
| 4666728017 | L | copper type with blue stripe | 117 | |
| 4666728018 | K | copper type with green stripe | 118 | |
| 4666728019 | DWV | copper type with yellow stripe | 119 | |
| 4666728020 | Polypropylene | PPR | 120 | |
| 4666728021 | heat fusion | PPR is joined by ______ | 121 | |
| 4666728022 | durham system | system of soil or waste system with threaded and recessed drainage fittings | 122 | |
| 4666728023 | Browne and Sharpe | aka bell and spigot system | 123 | |
| 4666728024 | 800 | water is denser than air by _____ | 124 | |
| 4666728025 | 1.5 | minimum water service pipe diameter in " | 125 | |
| 4666728026 | permit | required when replacing existing water heater | 126 | |
| 4666728027 | lead | cleanout plug must be made of ____ | 127 | |
| 4666728028 | 1/4" | minimum diameter of closet flange for plastic | 128 | |
| 4666728029 | fill tube | part of water closet that refills the bowl with a predetermined amount of water | 129 | |
| 4666728030 | float adjustment screw | adjusts the ball valve level of the water closet | 130 | |
| 4666728031 | overflow tube | tube that leads excess water into the bowl. also the termination of the fill tube | 131 | |
| 4666728032 | trip lever | lifts the flapper which allows water to escape via the flush valve | 132 | |
| 4666728033 | 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 | |
| 4666728034 | trough urinal |  | 134 | |
| 4666728035 | parking deck drain | drain with countersunk deck flange 394mm in diameter with round top and ductile iron gate | 135 | |
| 4666728036 | sanitary floor drain |  | 136 | |
| 4666728037 | roof drain | identify the blue part in the picture |  | 137 |
| 4666728038 | open ceiling | upright sprinkler systems are placed on areas with ____ | 138 | |
| 4666728039 | 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 | |
| 4666728040 | 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 | |
| 4666728041 | 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 | |
| 4666728042 | jet pump | a pump used frequently for domestic water supply. works by suction | 142 | |
| 4666728043 | plumbing appliance | a special device or equipment intended to perform a special plumbing function | 143 | |
| 4666728044 | plumbing appurtenance | serves as adjunct to the basic piping system and plumbing fixture | 144 | |
| 4666728045 | plumbing fixture | receptacle which water or water wastes may be collected or retained for ultimate discharge into the plumbing system | 145 | |
| 4666728046 | flushometer tank | air accumulator vessel to discharge a predetermined quantity of water for flushing purposes | 146 | |
| 4666728047 | flushometer valve | to discharge a predetermined quantity of water for flushing purposes acutated by direct water pressure | 147 | |
| 4666728048 | air break | physical separation from indirect waste pipe to waste receptor | 148 | |
| 4666728049 | air gap | unobstructed vertical distance through free atmosphere between the lowest opening from any pipe to the flood level rim | 149 | |
| 4666728050 | 2 | air gap being maintained from effective opening to flood rim is ___ x outlet diameter | 150 | |
| 4666728051 | battery | two or more similar adjacent with discharge into a common horizontal or soil branch | 151 | |
| 4666728052 | 4 | required faucets/bibbs for 1 plumbing unit | 152 | |
| 4666728053 | 3 | required floor drains for 1 plumbing unit | 153 | |
| 4666728054 | .6 | distance of the center of one urinal to another | 154 | |
| 4666728055 | .3 or .5? | distance of center of one urinal to a wall | 155 | |
| 4666728056 | flush | class of lavatory where the rim of the fixture aligns with the top portion of the counter | 156 | |
| 4666728057 | self rimming | class of lavatory where the rim of the fixture is above the top portion of the counter | 157 | |
| 4666728058 | under counter | class of lavatory where the rim of the fixture aligns with the bottom portion of the counter | 158 | |
| 4666728059 | .75 | center to center distance of a bidet/water closet to another similar fixture | 159 | |
| 4666728060 | .375 | center distance of a bidet to a wall | 160 | |
| 4666728061 | 3" | minimum trap seal of a floor drain | 161 | |
| 4666728062 | 2" | minimum outlet size of a floor drain | 162 | |
| 4666728063 | 2-4% | shower receptor slope range | 163 | |
| 4666728064 | .6 | min. interior area of shower | 164 | |
| 4666728065 | 762 | minimum diameter circle of a shower compartment | 165 | |
| 4666728066 | 1.78 | min clear height of a shower compartment | 166 | |
| 4666728067 | 4.9 | spacing for gang shower drains | 167 | |
| 4666728068 | 3m | minimum height of water test | 168 | |
| 4666728069 | 3m+previous 3m | minimum height of water test for more than 1 section | 169 | |
| 4666728070 | 15m | minimum time for water test before inspection | 170 | |
| 4666728071 | 5 PSI 34.5 kpa | minimum air pressure of air test | 171 | |
| 4666728072 | once a year | how often does a septic tank need to be inpsected | 172 | |
| 4666728073 | 3" | a septic tank needs to be cleaned if the bottom of scum mat is within ____ from the bottom outlet | 173 | |
| 4666728074 | 50% | a septic tank needs to cleaned if scum has reduced the liquid capacity by ____ | 174 | |
| 4666728075 | septic tanks | ______ shall not be washed after being cleansed | 175 | |
| 4666728076 | 1.2m | minimum depth of septic tank | 176 | |
| 4666728077 | 1:2 | proportion of leaching chamber to digesting chamber | 177 | |
| 4666728078 | 20cm | minimum vertical distance from liquid level to inside top of the septic tank | 178 | |
| 4666728079 | .508 | minimum size of manhole for septic tank | 179 | |
| 4666728080 | 25 | septic tanks shall be placed ______ m from spring, well cistern or other source of drinking water supply | 180 | |
| 4666728081 | 1.5 | septic tanks shall be placed ______ m from water service line | 181 | |
| 4666728082 | 3 | septic tanks shall be placed ______ m from water main | 182 | |
| 4666728083 | innocuous | industrial waste must first be rendered ____ | 183 | |
| 4666728084 | 2 | all (practical) drainage slopes should be aligned at a uniform slope of ____% | 184 | |
| 4666728085 | threaded | cast iron soil pipes shall not be ____ | 185 | |
| 4666728086 | 102 | an enlargement of a closet bend from 76mm to ____ shall not be considered as an obstruction | 186 | |
| 4666728087 | embedded metal pipe sleeves | pipes passing through or under walls shall be protected from breakage via ___ | 187 | |
| 4666728088 | bitumen | void between pipes through concrete floors or walls in the ground shall be sealed with ___ | 188 | |
| 4666728089 | 45 | degree from which a pipe should be clear from a building element | 189 | |
| 4666728090 | .6 | no building sewer shall be installed under or within ____m of any building or structure | 190 | |
| 4666728091 | .3 | no building sewer shall be placed below ____m finish ground surface | 191 | |
| 4666728092 | 102 | minimum diameter of a pipe to allow a 1% slope | 192 | |
| 4666728093 | wye and 1/8 bend | connection of a horizontal drainage pipe to a vertical stack is composed of a sanitary tee or ______ | 193 | |
| 4666728094 | 2 | how many pipe sizes larger should the barrel of a double sanitary tee be as opposed to its branches | 194 | |
| 4666728095 | RA 1738 | also known as the plumbing law of the philippines | 195 | |
| 4666728096 | 6 | sets reuired for requirements of a permit | 196 | |
| 4666728097 | 1 obo 2 owner | retention of plans | 197 | |
| 4666728098 | 1 year | validity of permit if not commenced | 198 | |
| 4666728099 | 120 days | validity of permit if suspended or abandoned | 199 | |
| 4666728100 | Virgilio Simbulan | chairman of Master plumbers | 200 | |
| 4666728101 | 1935 | year NAMPAP was formally organized | 201 | |
| 4666728102 | >= 1.4 cu.m. | unconfined space aggregate area | 202 | |
| 4666728103 | backflow prevention device | required for pipes carrying chemicals | 203 | |
| 4666728104 | 3 | minimum airgap for water distribution if affected by sidewalls is ___x the diameter of outlet | 204 | |
| 4666728105 | 305 | clearance of backflow prevention devices from the ground | 205 | |
| 4666728106 | 1.52 | backflow installations above ___ shall be provided with a platform | 206 | |
| 4666728107 | 25mm | minimum airgap of an outlet | 207 | |
| 4666728108 | 152mm | minimum elevation of atmospheric vacuum breaker to the flood rim | 208 | |
| 4666728109 | 8% | water lead content unfit for consumption | 209 | |
| 4666728110 | 18 mess | screen protector for gravity supply tanks: _____ per 25mm | 210 | |
| 4666728111 | 103 kpa | pressure deemed inadequate for water supply | 211 | |
| 4666728112 | .3 | height difference of water supply to building drainage if crossing paths | 212 | |
| 4666728113 | .3 | minimum horizontal distance of water supply pipe from building drain | 213 | |
| 4666728114 | bitumastic or fiberglass wrapping | ferrous pipes shall be protected with _______ | 214 | |
| 4666728115 | .3 | minimum distance of placement of union to the serving fixture | 215 | |
| 4666728116 | 1" | minimum depth of lead for caulked joints | 216 | |
| 4666728117 | 3.2 | minimum ____mm for finished joint of caulked joints | 217 | |
| 4666728118 | 610 | minimum depth in mm for sand interceptor | 218 | |
| 4666728119 | local water utilities administration | LWUA | 219 | |
| 4666728120 | creek | not a source of ground water | 220 | |
| 4666728121 | 10 | number of sprinkler heads needed for 10x15 congregation room | 221 | |
| 4666728122 | 1.8 | minimum length of digestive chamber | 222 | |
| 4666728123 | .90 | minimum length of leaching chamber | 223 | |
| 4666728124 | 1.2 | minimum width of septic tank | 224 | |
| 4666728125 | 610 | minimum mm depth of sand interceptor from invert of pipe | 225 | |
| 4666728126 | 1.2 | maximum horizontal distance of grease trap inlet to outlet | 226 | |
| 4666728127 | .75 | maximum vertical distance of grease trap inlet to outlet | 227 | |
| 4666728128 | 102 mm/h | normal rainfall intensity within manila | 228 | |
| 4666728129 | 1 | floor drain | 229 | |
| 4666728130 | 2 | lavatory | 230 | |
| 4666728131 | 2 | bathtub/shower bath | 231 | |
| 4666728132 | 2 | laundry tub | 232 | |
| 4666728133 | 3 | slop sink | 233 | |
| 4666728134 | 5 | pub urinal? | 234 | |
| 4666728135 | 6 | public water closet | 235 | |
| 4666728136 | 4 | private water closet | 236 | |
| 4666728137 | 28.3 | _____liters per minute = 1 FU | 237 | |
| 4666728138 | 7.5 | ____ gallons per minute = 1 FU | 238 | |
| 4666728139 | bowl gasket | placed inbetween the water closet and the closet bend | 239 | |
| 4666728140 | 1 2 | bar sink private and public use | 240 | |
| 4666728141 | 2 4 | bathtub private and public use | 241 | |
| 4666728142 | 1 | dental unit or cuspidor | 242 | |
| 4666728143 | 3 5 | hose bibb public and private use | 243 | |
| 4666728144 | 6 | mobile home | 244 | |
| 4666728145 | 2 4 | shower private and public use | 245 | |
| 4666728146 | 1 2 | bar sink private and public uise | 246 | |
| 4666728147 | 10 | flushing rim clinic | 247 | |
| 4666728148 | 1 | lawn sprinkler per head | 248 | |
| 4666728149 | 70 | percentage of fresh water that goes to agriculture | 249 | |
| 4666728150 | 5000 | number of larg water supply system service connections | 250 | |
| 4666728151 | 1000 | number of service connections for small water supply | 251 | |
| 4666728152 | coagulation | the process of forming semisolid lumps in a liquid | 252 | |
| 4666728153 | point source | protected well or developed spring without distribution system | 253 | |
| 4666728154 | 15 | number of households able to serve a level 1 water supply system | 254 | |
| 4666728155 | 4-6 | number of households able to serve a level 2 water supply system | 255 | |
| 4666728156 | communal faucet system | level 2 water supply system | 256 | |
| 4666728157 | waterworks system | level 3 water supply system | 257 | |
| 4666728158 | artesian well | wel confined under hydrostatic pressure | 258 | |
| 4666728159 | bored well | well constructed by manually driven augers | 259 | |
| 4666728160 | deep well | well with depth normally of 20m | 260 | |
| 4666728161 | drilled well | well constructed of percussion or rotary drills | 261 | |
| 4666728162 | 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 | |
| 4666728163 | dug well | well normally with diameter of 1-1.5m | 263 | |
| 4666728164 | shallow well | well with a depth of not more than 20m | 264 | |
| 4666728165 | 6.5 -8.5 | ph levels of potable water | 265 | |
| 4666728166 | sea water animal waste | causes of chlorides in water | 266 | |
| 4666728167 | reverse osmosis | A desalinization process that involves forcing salt-water through a membrane permeable to water but not to salt | 267 | |
| 4666728168 | reverse osmosis deionization | used to dechlorinate water | 268 | |
| 4666728169 | copper | causes blue green stain on plumbing fixtures | 269 | |
| 4666728170 | adjust alkalinity | treatment for copper in water | 270 | |
| 4666728171 | flouride | added to water to elevate alkalinity | 271 | |
| 4666728172 | hardness | inherent raw water quality due to presence of calcium and magnesium | 272 | |
| 4666728173 | hardness | causes white powdery residue on plumbing fixture | 273 | |
| 4666728174 | iron and manganese | present in water to induce yellow to black discoloration | 274 | |
| 4666728175 | iron and manganese | causes bitter metallic taste | 275 | |
| 4666728176 | 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 | |
| 4666728177 | aeration | best treatment for removing taste and odors from water | 277 | |
| 4666728178 | aeration granulated activated carbon filtration ozonation | treatment for taste and odors of water | 278 | |
| 4666728179 | deionization | process wherein water passes through a cartridge where dissolved mineral salts are retained producing mineral free water | 279 | |
| 4666728180 | granulated activated carbon | a type of neutralizing filter | 280 | |
| 4666728181 | angat dam | supplies 97% of water needs in metro manila | 281 | |
| 4666728182 | novaliches plant | plant supplying west zone of mm | 282 | |
| 4666728183 | balara | plant supplying the east zone of mm | 283 | |
| 4666728184 | indirect pressure distribution | classification of public water distribution using deep wells | 284 | |
| 4666728185 | direct pressure distribution | public water distribution where water undergoes the filtration plant | 285 | |
| 4666728186 | air pressure system | system of water dist which has less initial cost but higher residual cost due to electricity consumption | 286 | |
| 4666728187 | 10 | maximum floor able to reach pneumatic tank | 287 | |
| 4666728188 | 7.5 | how many gallons per 1 f.u. | 288 | |
| 4666728189 | 50-100 | probability of simultaneous use for 1-5 FU | 289 | |
| 4666728190 | 25-50 | probability of use for 6-50 fixture units | 290 | |
| 4666728191 | 10-25 | probability of simul. use for 50+ f.u. | 291 |
