| 9736718595 | national master plumbers association of the philippines | NAMPAP | | 0 |
| 9736718596 | shut off valve | a gate valve normally used to shut off flow of water from supply pipe | | 1 |
| 9736718597 | key cock | a faucet normally turned 90 degrees to open or close | | 2 |
| 9736718598 | indirect system | overhead tank water distribution system is a _____ system | | 3 |
| 9736718599 | jack pump | pump normally used for farm purposes |  | 4 |
| 9736718600 | centrifugal rotary | pumps with turbines | | 5 |
| 9736718601 | building design
occupants
heating capacity | things to consider when sizing the hot water tank | | 6 |
| 9736718602 | 4"? | minimum house drain diameter | | 7 |
| 9736718603 | .5 | pipe sleeves must be ___ x the size of a pipe they protect | | 8 |
| 9736718604 | lead | cleanout plugs must be made of | | 9 |
| 9736718605 | 2 | minimum " for underground drainage pipe | | 10 |
| 9736718606 | 100 | temperature needed to be considered hot water ___ C | | 11 |
| 9736718607 | bedpen washer | aka clinical sink | | 12 |
| 9736718608 | 2 | minimum water service connections for hospital | | 13 |
| 9736718609 | backflow prevention device | sillcocks require a ____ | | 14 |
| 9736718610 | private water source | a well is considered mostly as a ____ | | 15 |
| 9736718611 | 6 | maximum distance in ft a 2 in trap from its vent | | 16 |
| 9736718612 | .02 | maximum allowable % for soldered connections with lead pipe joints | | 17 |
| 9736718613 | 8 | maximum allowable % for soldered connections with lead | | 18 |
| 9736718614 | 12 | minimum ' clearance infront of a cleanout | | 19 |
| 9736718615 | 10 | minimum ' clearance from a terminal and a window opening in a building | | 20 |
| 9736718616 | 6 | maximum pipe side diameter not needing an effing manhole | | 21 |
| 9736718617 | 1" | recommended size of MWSS for service pipe in 2 storey residential | | 22 |
| 9736718618 | 3/4 | minimum water supply size for flush valve urinal | | 23 |
| 9736718619 | 1 | minimum water supply pipe diameter size " for flushometer valve water closet | | 24 |
| 9736718620 | 1/2 | minimum water supply pipe diameter size " for water closet without flushometer valve | | 25 |
| 9736718621 | potability | first steps in selecting water source | | 26 |
| 9736718622 | residence | class 1 type occupancy water supply | | 27 |
| 9736718623 | restricted use | class 2 type occupancy water supply | | 28 |
| 9736718624 | unrestricted use | class 3 type occupancy water supply | | 29 |
| 9736718625 | permanent temporary | what makes up total hardness | | 30 |
| 9736718626 | greensand filtraiton | treatment of wells for acidity | | 31 |
| 9736718627 | marblestone filtration | treatment for waste water | | 32 |
| 9736718628 | whitesand filtration | treatment for swimming pool treatment | | 33 |
| 9736718629 | algae | cause of objectionable tastes and odor of water | | 34 |
| 9736718630 | service pipe | pipe from the street water main to the building served | | 35 |
| 9736718631 | GV WM CV | order of valves for water connection | | 36 |
| 9736718632 | building supply pipe | pipe carrying potable water from the water meter to a building or other point of use or distribution | | 37 |
| 9736718633 | fixture supply | water supply pipe connecting the fixture with the fixture branch | | 38 |
| 9736718634 | unit vent | vent installed so that one vent pipe serves two traps | | 39 |
| 9736718635 | circuit vent | a group vent which starts infront of the extreme fixture connection on a horizontal branch and connects to the vent stack | | 40 |
| 9736718636 | looped vent | vent used for islands and lavatories away from the wall and vent branch | | 41 |
| 9736718637 | 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 |
| 9736718638 | 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 |
| 9736718639 | relief vent | A vent to relieve the pressure ahead of moving effluent in a horizontal fixture branch. | | 44 |
| 9736718640 | 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 |
| 9736718641 | 5 | yoke vent is required for every ___ floors | | 46 |
| 9736718642 | .6 | house sewer is part of the plumbing system which extends ____ m from the foundation of the wall of the building | | 47 |
| 9736718643 | invert | lowest part of the inside face of any pipe | | 48 |
| 9736718644 | crown | highest part of the inside face of any pipe | | 49 |
| 9736718645 | spring line | the midpoint level of a pipe | | 50 |
| 9736718646 | clevice | pipe hanger for pipes with pressure
shape: ---o--- | | 51 |
| 9736718647 | bending pin | tool used for straightening or bending lead pipe | | 52 |
| 9736718648 | tailpiece | pipe or tubing that connects the outlet of a plumbing fixture to a trap | | 53 |
| 9736718649 | slip joint | adjustable tubing connection consisting of a compression nut, friction ring, and compression washer | | 54 |
| 9736718650 | building subdrain | that portion of an underground system, which cannot drain by
gravity into the building sewer | | 55 |
| 9736718651 | 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 |
| 9736718652 | 15 | cleanout is required every ____m run of pipes | | 57 |
| 9736718653 | upper terminal | each horizontal drainage pipe shall be provided a cleanout at its ____ | | 58 |
| 9736718654 | 1.5 | pipe runs that don't need a cleanout | | 59 |
| 9736718655 | 135 | additional cleanout is to be provided for every line of pipe exceed ____ in angle | | 60 |
| 9736718656 | after | cleanouts shall be provided ____ interceptors | | 61 |
| 9736718657 | 305 | clearance needed in front of a 51mm or less cleanout | | 62 |
| 9736718658 | 450 | clearance needed in front of a >51mm cleanout | | 63 |
| 9736718659 | 750 | clearance of underfloor cleanout to the nearest well | | 64 |
| 9736718660 | 450 | clearance of an underfloor cleanout to the upper slab | | 65 |
| 9736718661 | countersunk | type of cleanout installed where raised heads may cause hazard to uisers or vehicles | | 66 |
| 9736718662 | 9.79 kpa | difference in pressure per meter of elevation | | 67 |
| 9736718663 | 6.895 | ______ kpa = 1 psi | | 68 |
| 9736718664 | french drain | a covering for trench normally used for provincial cities using the curb and gutter | | 69 |
| 9736718665 | 200 | minimum mm for gutter | | 70 |
| 9736718666 | 1:3 | ratio of allowable offsets | | 71 |
| 9736718667 | 2" | minimum depth of floor drain outlet to crown of drain pipe | | 72 |
| 9736718668 | 3 | maximum number of water closets for one horizontal 3" soil pipe | | 73 |
| 9736718669 | 4 | maximum number of water closets for one vertical 3" soil pipe | | 74 |
| 9736718670 | largest building sewer | minimum aggregate cross sectional area of all venting pipes | | 75 |
| 9736718671 | 152 | minimum mm of vent vertical rise from flood level rim of fixtures | | 76 |
| 9736718883 | union | |  | 77 |
| 9736718672 | union | designed to allow quick and convenient disconnection of pipes for maintenance or fixture replacement | | 78 |
| 9736718673 | neoprene rubber compression gasket | used on CIPs using a compression joint | | 79 |
| 9736718674 | o-ring | used on CIPs with hubless joint | | 80 |
| 9736718675 | threaded joints | joinery used for galvanized iron, steel, and plastic pipes | | 81 |
| 9736718676 | male threads | pipe joint material should be applied on | | 82 |
| 9736718677 | soldering nipple or caulking ferrule | joints between lead pip and cast iron or wrought iron shall be of ____ | | 83 |
| 9736718678 | standard flare | 2 types of compression fittings | | 84 |
| 9736718679 | cement mortar joint | joinery used in concrete pipes | | 85 |
| 9736718680 | burned lead joint | used for lead jointery | | 86 |
| 9736718681 | neoprene rubber rings + coupling of same material | used in asbestos cement sewer pipe joint | | 87 |
| 9736718682 | flange joint | joint consisting of 2 companion flanges bolted together and made leak proof by means of a gasket | | 88 |
| 9736718683 | heat fusion joint | joint used on thermoplastic pipes where both pieces are simultaneously heat and pressed together | | 89 |
| 9736718684 | flange joint | lNl | | 90 |
| 9736718685 | weld | --xNx-- | | 91 |
| 9736718686 | screw | -N- | | 92 |
| 9736718687 | soldered | -oNo- | | 93 |
| 9736718688 | 6" | diameter of pipe conveying main to house supply | | 94 |
| 9736718689 | lead cadmium arsenic | common harmful substances normally contained in pipe material | | 95 |
| 9736718884 | polyethylene pipe | |  | 96 |
| 9736718690 | galvanized steel or iron | traditional piping material | | 97 |
| 9736718691 | lead cadmium arsenic | most probable contaminants infused in piping material` | | 98 |
| 9736718692 | galvanized steel or iron | material used in traditional piping | | 99 |
| 9736718693 | 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 |
| 9736718694 | Polybutylene | a flexible non-metallic material that can be used in hot and cold drinking piping lines | | 101 |
| 9736718695 | PVC | usually white in default color and is used only for carrying cold water | | 102 |
| 9736718696 | ABS | black in default and mainly used for DWV. can be connected to metal pipes | | 103 |
| 9736718697 | Polyethylene cross link | PEX | | 104 |
| 9736718698 | ABS | acrylonitrite butadiene styrene | | 105 |
| 9736718699 | CPVC | yellow in default color, hot and cold water. but can't be burried. cheap but lacks long term durability | | 106 |
| 9736718700 | PVC | becomes brittle when exposed outside or to too much heat | | 107 |
| 9736718701 | HDPE | normally used for drainage which can withstand high temperatures and pressure | | 108 |
| 9736718702 | MDPE | PE that can withstand higher internal pressure due to its flexibility. normally used for long distance water drinking piping | | 109 |
| 9736718703 | LDPE | applied to instances where operating pressures are low, low cost, and high degree of flexibility | | 110 |
| 9736718704 | underwriters laboratory | international Non-profit organization that provides guidelines and certification for physical security | | 111 |
| 9736718705 | PNS | Philippine National Standards | | 112 |
| 9736718706 | teflon tape | used on threaded piping materials | | 113 |
| 9736718707 | Type L & M | copper type used in residential and commercial water supply and pressure applications | | 114 |
| 9736718708 | type DWV | copper type normally used for unpressurized applications | | 115 |
| 9736718709 | M | copper type with red stripe | | 116 |
| 9736718710 | L | copper type with blue stripe | | 117 |
| 9736718711 | K | copper type with green stripe | | 118 |
| 9736718712 | DWV | copper type with yellow stripe | | 119 |
| 9736718713 | Polypropylene | PPR | | 120 |
| 9736718714 | heat fusion | PPR is joined by ______ | | 121 |
| 9736718715 | durham system | system of soil or waste system with threaded and recessed drainage fittings | | 122 |
| 9736718716 | Browne and Sharpe | aka bell and spigot system | | 123 |
| 9736718717 | 800 | water is denser than air by _____ | | 124 |
| 9736718718 | 1.5 | minimum water service pipe diameter in " | | 125 |
| 9736718719 | permit | required when replacing existing water heater | | 126 |
| 9736718720 | lead | cleanout plug must be made of ____ | | 127 |
| 9736718721 | 1/4" | minimum diameter of closet flange for plastic | | 128 |
| 9736718722 | fill tube | part of water closet that refills the bowl with a predetermined amount of water | | 129 |
| 9736718723 | float adjustment screw | adjusts the ball valve level of the water closet | | 130 |
| 9736718724 | overflow tube | tube that leads excess water into the bowl. also the termination of the fill tube | | 131 |
| 9736718725 | trip lever | lifts the flapper which allows water to escape via the flush valve | | 132 |
| 9736718726 | 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 |
| 9736718885 | trough urinal | |  | 134 |
| 9736718727 | parking deck drain | drain with countersunk deck flange 394mm in diameter with round top and ductile iron gate | | 135 |
| 9736718886 | sanitary floor drain | |  | 136 |
| 9736718728 | roof drain | identify the blue part in the picture |  | 137 |
| 9736718729 | open ceiling | upright sprinkler systems are placed on areas with ____ | | 138 |
| 9736718730 | 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 |
| 9736718731 | 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 |
| 9736718732 | 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 |
| 9736718733 | jet pump | a pump used frequently for domestic water supply. works by suction | | 142 |
| 9736718734 | plumbing appliance | a special device or equipment intended to perform a special plumbing function | | 143 |
| 9736718735 | plumbing appurtenance | serves as adjunct to the basic piping system and plumbing fixture | | 144 |
| 9736718736 | plumbing fixture | receptacle which water or water wastes may be collected or retained for ultimate discharge into the plumbing system | | 145 |
| 9736718737 | flushometer tank | air accumulator vessel to discharge a predetermined quantity of water for flushing purposes | | 146 |
| 9736718738 | flushometer valve | to discharge a predetermined quantity of water for flushing purposes acutated by direct water pressure | | 147 |
| 9736718739 | air break | physical separation from indirect waste pipe to waste receptor | | 148 |
| 9736718740 | air gap | unobstructed vertical distance through free atmosphere between the lowest opening from any pipe to the flood level rim | | 149 |
| 9736718741 | 2 | air gap being maintained from effective opening to flood rim is ___ x outlet diameter | | 150 |
| 9736718742 | battery | two or more similar adjacent with discharge into a common horizontal or soil branch | | 151 |
| 9736718743 | 4 | required faucets/bibbs for 1 plumbing unit | | 152 |
| 9736718744 | 3 | required floor drains for 1 plumbing unit | | 153 |
| 9736718745 | .6 | distance of the center of one urinal to another | | 154 |
| 9736718746 | .3 or .5? | distance of center of one urinal to a wall | | 155 |
| 9736718747 | flush | class of lavatory where the rim of the fixture aligns with the top portion of the counter | | 156 |
| 9736718748 | self rimming | class of lavatory where the rim of the fixture is above the top portion of the counter | | 157 |
| 9736718749 | under counter | class of lavatory where the rim of the fixture aligns with the bottom portion of the counter | | 158 |
| 9736718750 | .75 | center to center distance of a bidet/water closet to another similar fixture | | 159 |
| 9736718751 | .375 | center distance of a bidet to a wall | | 160 |
| 9736718752 | 3" | minimum trap seal of a floor drain | | 161 |
| 9736718753 | 2" | minimum outlet size of a floor drain | | 162 |
| 9736718754 | 2-4% | shower receptor slope range | | 163 |
| 9736718755 | .6 | min. interior area of shower | | 164 |
| 9736718756 | 762 | minimum diameter circle of a shower compartment | | 165 |
| 9736718757 | 1.78 | min clear height of a shower compartment | | 166 |
| 9736718758 | 4.9 | spacing for gang shower drains | | 167 |
| 9736718759 | 3m | minimum height of water test | | 168 |
| 9736718760 | 3m+previous 3m | minimum height of water test for more than 1 section | | 169 |
| 9736718761 | 15m | minimum time for water test before inspection | | 170 |
| 9736718762 | 5 PSI 34.5 kpa | minimum air pressure of air test | | 171 |
| 9736718763 | once a year | how often does a septic tank need to be inpsected | | 172 |
| 9736718764 | 3" | a septic tank needs to be cleaned if the bottom of scum mat is within ____ from the bottom outlet | | 173 |
| 9736718765 | 50% | a septic tank needs to cleaned if scum has reduced the liquid capacity by ____ | | 174 |
| 9736718766 | septic tanks | ______ shall not be washed after being cleansed | | 175 |
| 9736718767 | 1.2m | minimum depth of septic tank | | 176 |
| 9736718768 | 1:2 | proportion of leaching chamber to digesting chamber | | 177 |
| 9736718769 | 20cm | minimum vertical distance from liquid level to inside top of the septic tank | | 178 |
| 9736718770 | .508 | minimum size of manhole for septic tank | | 179 |
| 9736718771 | 25 | septic tanks shall be placed ______ m from spring, well cistern or other source of drinking water supply | | 180 |
| 9736718772 | 1.5 | septic tanks shall be placed ______ m from water service line | | 181 |
| 9736718773 | 3 | septic tanks shall be placed ______ m from water main | | 182 |
| 9736718774 | innocuous | industrial waste must first be rendered ____ | | 183 |
| 9736718775 | 2 | all (practical) drainage slopes should be aligned at a uniform slope of ____% | | 184 |
| 9736718776 | threaded | cast iron soil pipes shall not be ____ | | 185 |
| 9736718777 | 102 | an enlargement of a closet bend from 76mm to ____ shall not be considered as an obstruction | | 186 |
| 9736718778 | embedded metal pipe sleeves | pipes passing through or under walls shall be protected from breakage via ___ | | 187 |
| 9736718779 | bitumen | void between pipes through concrete floors or walls in the ground shall be sealed with ___ | | 188 |
| 9736718780 | 45 | degree from which a pipe should be clear from a building element | | 189 |
| 9736718781 | .6 | no building sewer shall be installed under or within ____m of any building or structure | | 190 |
| 9736718782 | .3 | no building sewer shall be placed below ____m finish ground surface | | 191 |
| 9736718783 | 102 | minimum diameter of a pipe to allow a 1% slope | | 192 |
| 9736718784 | wye and 1/8 bend | connection of a horizontal drainage pipe to a vertical stack is composed of a sanitary tee or ______ | | 193 |
| 9736718785 | 2 | how many pipe sizes larger should the barrel of a double sanitary tee be as opposed to its branches | | 194 |
| 9736718786 | RA 1738 | also known as the plumbing law of the philippines | | 195 |
| 9736718787 | 6 | sets reuired for requirements of a permit | | 196 |
| 9736718788 | 1 obo 2 owner | retention of plans | | 197 |
| 9736718789 | 1 year | validity of permit if not commenced | | 198 |
| 9736718790 | 120 days | validity of permit if suspended or abandoned | | 199 |
| 9736718791 | Virgilio Simbulan | chairman of Master plumbers | | 200 |
| 9736718792 | 1935 | year NAMPAP was formally organized | | 201 |
| 9736718793 | >= 1.4 cu.m. | unconfined space aggregate area | | 202 |
| 9736718794 | backflow prevention device | required for pipes carrying chemicals | | 203 |
| 9736718795 | 3 | minimum airgap for water distribution if affected by sidewalls is ___x the diameter of outlet | | 204 |
| 9736718796 | 305 | clearance of backflow prevention devices from the ground | | 205 |
| 9736718797 | 1.52 | backflow installations above ___ shall be provided with a platform | | 206 |
| 9736718798 | 25mm | minimum airgap of an outlet | | 207 |
| 9736718799 | 152mm | minimum elevation of atmospheric vacuum breaker to the flood rim | | 208 |
| 9736718800 | 8% | water lead content unfit for consumption | | 209 |
| 9736718801 | 18 mess | screen protector for gravity supply tanks: _____ per 25mm | | 210 |
| 9736718802 | 103 kpa | pressure deemed inadequate for water supply | | 211 |
| 9736718803 | .3 | height difference of water supply to building drainage if crossing paths | | 212 |
| 9736718804 | .3 | minimum horizontal distance of water supply pipe from building drain | | 213 |
| 9736718805 | bitumastic or fiberglass wrapping | ferrous pipes shall be protected with _______ | | 214 |
| 9736718806 | .3 | minimum distance of placement of union to the serving fixture | | 215 |
| 9736718807 | 1" | minimum depth of lead for caulked joints | | 216 |
| 9736718808 | 3.2 | minimum ____mm for finished joint of caulked joints | | 217 |
| 9736718809 | 610 | minimum depth in mm for sand interceptor | | 218 |
| 9736718810 | local water utilities administration | LWUA | | 219 |
| 9736718811 | creek | not a source of ground water | | 220 |
| 9736718812 | 10 | number of sprinkler heads needed for 10x15 congregation room | | 221 |
| 9736718813 | 1.8 | minimum length of digestive chamber | | 222 |
| 9736718814 | .90 | minimum length of leaching chamber | | 223 |
| 9736718815 | 1.2 | minimum width of septic tank | | 224 |
| 9736718816 | 610 | minimum mm depth of sand interceptor from invert of pipe | | 225 |
| 9736718817 | 1.2 | maximum horizontal distance of grease trap inlet to outlet | | 226 |
| 9736718818 | .75 | maximum vertical distance of grease trap inlet to outlet | | 227 |
| 9736718819 | 102 mm/h | normal rainfall intensity within manila | | 228 |
| 9736718820 | 1 | floor drain | | 229 |
| 9736718821 | 2 | lavatory | | 230 |
| 9736718822 | 2 | bathtub/shower bath | | 231 |
| 9736718823 | 2 | laundry tub | | 232 |
| 9736718824 | 3 | slop sink | | 233 |
| 9736718825 | 5 | pub urinal? | | 234 |
| 9736718826 | 6 | public water closet | | 235 |
| 9736718827 | 4 | private water closet | | 236 |
| 9736718828 | 28.3 | _____liters per minute = 1 FU | | 237 |
| 9736718829 | 7.5 | ____ gallons per minute = 1 FU | | 238 |
| 9736718830 | bowl gasket | placed inbetween the water closet and the closet bend | | 239 |
| 9736718831 | 1 2 | bar sink private and public use | | 240 |
| 9736718832 | 2 4 | bathtub private and public use | | 241 |
| 9736718833 | 1 | dental unit or cuspidor | | 242 |
| 9736718834 | 3 5 | hose bibb public and private use | | 243 |
| 9736718835 | 6 | mobile home | | 244 |
| 9736718836 | 2 4 | shower private and public use | | 245 |
| 9736718837 | 1 2 | bar sink private and public uise | | 246 |
| 9736718838 | 10 | flushing rim clinic | | 247 |
| 9736718839 | 1 | lawn sprinkler per head | | 248 |
| 9736718840 | 70 | percentage of fresh water that goes to agriculture | | 249 |
| 9736718841 | 5000 | number of larg water supply system service connections | | 250 |
| 9736718842 | 1000 | number of service connections for small water supply | | 251 |
| 9736718843 | coagulation | the process of forming semisolid lumps in a liquid | | 252 |
| 9736718844 | point source | protected well or developed spring without distribution system | | 253 |
| 9736718845 | 15 | number of households able to serve a level 1 water supply system | | 254 |
| 9736718846 | 4-6 | number of households able to serve a level 2 water supply system | | 255 |
| 9736718847 | communal faucet system | level 2 water supply system | | 256 |
| 9736718848 | waterworks system | level 3 water supply system | | 257 |
| 9736718849 | artesian well | wel confined under hydrostatic pressure | | 258 |
| 9736718850 | bored well | well constructed by manually driven augers | | 259 |
| 9736718851 | deep well | well with depth normally of 20m | | 260 |
| 9736718852 | drilled well | well constructed of percussion or rotary drills | | 261 |
| 9736718853 | 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 |
| 9736718854 | dug well | well normally with diameter of 1-1.5m | | 263 |
| 9736718855 | shallow well | well with a depth of not more than 20m | | 264 |
| 9736718856 | 6.5 -8.5 | ph levels of potable water | | 265 |
| 9736718857 | sea water
animal waste | causes of chlorides in water | | 266 |
| 9736718858 | reverse osmosis | A desalinization process that involves forcing salt-water through a membrane permeable to water but not to salt | | 267 |
| 9736718859 | reverse osmosis
deionization | used to dechlorinate water | | 268 |
| 9736718860 | copper | causes blue green stain on plumbing fixtures | | 269 |
| 9736718861 | adjust alkalinity | treatment for copper in water | | 270 |
| 9736718862 | flouride | added to water to elevate alkalinity | | 271 |
| 9736718863 | hardness | inherent raw water quality due to presence of calcium and magnesium | | 272 |
| 9736718864 | hardness | causes white powdery residue on plumbing fixture | | 273 |
| 9736718865 | iron and manganese | present in water to induce yellow to black discoloration | | 274 |
| 9736718866 | iron and manganese | causes bitter metallic taste | | 275 |
| 9736718867 | 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 |
| 9736718868 | aeration | best treatment for removing taste and odors from water | | 277 |
| 9736718869 | aeration
granulated activated carbon filtration
ozonation | treatment for taste and odors of water | | 278 |
| 9736718870 | deionization | process wherein water passes through a cartridge where dissolved mineral salts are retained producing mineral free water | | 279 |
| 9736718871 | granulated activated carbon | a type of neutralizing filter | | 280 |
| 9736718872 | angat dam | supplies 97% of water needs in metro manila | | 281 |
| 9736718873 | novaliches plant | plant supplying west zone of mm | | 282 |
| 9736718874 | balara | plant supplying the east zone of mm | | 283 |
| 9736718875 | indirect pressure distribution | classification of public water distribution using deep wells | | 284 |
| 9736718876 | direct pressure distribution | public water distribution where water undergoes the filtration plant | | 285 |
| 9736718877 | air pressure system | system of water dist which has less initial cost but higher residual cost due to electricity consumption | | 286 |
| 9736718878 | 10 | maximum floor able to reach pneumatic tank | | 287 |
| 9736718879 | 7.5 | how many gallons per 1 f.u. | | 288 |
| 9736718880 | 50-100 | probability of simultaneous use for 1-5 FU | | 289 |
| 9736718881 | 25-50 | probability of use for 6-50 fixture units | | 290 |
| 9736718882 | 10-25 | probability of simul. use for 50+ f.u. | | 291 |
