EXAM 1 Prac prob1a term synonymous with lavatory a vessel used for washing hands and face identify the type of lavatory according to design and made of installationapedestal type0bwall hang typecstall typedcountertop type2what is the minimun trap and arm size of a drinking fountaina32 mm0b38mmc51mmd76mm3this is sometimes referred to as looped ventalooped vent 0bventing loopcyoke ventdstack vent4minimum size of fixture suppply pipe for a service sinka10mm0b13mmc19mmd25mm5these pipes are installed to remove wastewater and waterborne waste from plumbing fixturesasanitary drainage pipes0bdrainage fittingscdrainaage system pipesdvent pipes6the lowest portion of the inside top srface of the channel through the trapatrap seal0bcrown weircbottom dipdinvert7a toxic substance that may be presnt in water which may elalve laxative effect on an individualasodium 0bchlorineczincdsulfate8a system of collection transportation treatment and disposal of sewageasewage disposal system0bsewage treatment systemcpublic sanitary sewer systemddrainage system9ientify type of trap shown below classified as objectionable type of trap designafull s trap0bPtrapcbag trapd2/4 trap10as provided in the code and recommended by health authority what is the minimun number of chamber in a septic tanka10b2c3d411in a typical trap seal is measured as the vertical distance betweenatopdip and bot dip0binlet and outeltctopdip and inletdtop dip and crown weir12what type of venting system can be used to ventilate a sink or wash bsain that is located away from walls or partition such as in an island kitchen counterayoke vent0bindividual ventcloooped ventdstack vent13which of the following fittings is considered and used in sanitary drainage systemawye branch0bstraight teecnippledunion14when installing a horizontal branch in a sanitary piping system what should be provided at the upper end of such pipeatrap 0bwye branchcbenddcleanout15identfy this ventillation provide air circulation n plumbing system specifically two traps that are placed back to back or side by sidealoop vent0bindividual ventcunit ventdcircuit vent16which of the following is considered a permissible ytpe of trapafull s trap0bbag trapcgrease trapdbell trap17turbidity may be associated with what characteristic of waterachemical0bphysicalcbiologicaldradiological18type of water filtration process that removes iron or manganese chlorine chemically oxidizes the iron and manganeseapressure sand filter0bslow sand filtercfine filtrationddiatomaceous earth filter19it has an outside thread on one end and inside thread on the other used to connect sections of pipes that are perpendicular to each otherastreet elbow0bstraight elbowcelbow reducerdeccentric elbow reducer20an out house used for the deposition of excrementaseptic tank0bcesspoolcprivydleaching field21which of the following is not a part of typical septic tanksainvert elevation0bdigestive chambercmanholedfixture group22what is the minimu level invert elevation between the inlet and the outlet of a septic tanka0.0250b0.05c0.075d0.123a well usually less than 100 ft. deep dug with the use of earth augersadriven well0bdrilled wellcbored wellddug well24water with an material or substance that affects the uality of water and affects the health of an individualacontaminated water0bgrey watercpolluted waterdblack water25a valve in which in the flw of fluid is controlled by a rotating drilled wellsagate valve0bfloat valvecbutterfly valvedball valve26following are example of plumbing fixture exceptaurinal0bbidetctrap dfloor drain27which type of venting system is sued to ventilate two fixture traps usually placed or installes side by side or back to abackaindividual vent0bcommon ventccircuit ventdloop vent28in a trap it is the lowest portion of the inside top surface of the channel through the trapacrown weir0bdipcinlet doutlet 29in a horintal pipe it is the lowest portion of the insied pipe acrown 0bdipccrown weirdinvert 30which of the following is considered a plumbing appurtenanceavacuum breaker 0bwater closet ctapdswimming pool 31in plumbing system installation a pipe which could be either horizontal or vertical that conveys only liquid waste free from fecal matte lavatory floor drain bath tub drain pipeasoil stack 0bwaste pipe cwaste stack dsoil pipe32w awate pipe that does not connect directly with drainage system waste is collected through a receptacle fixture receptor or interceptor through air break example ref waste washing machine dish dryer or washeraindirect waste pipe0bwaste pipe cdirect waste pipe dwaste stack 33the following are examples of materials used for drain sewer pipe above ground installation exceptacopper tube0bplstic synthetic pipeccast iron pipedvitrified clay pipe34a kind of fitting used to connect sections of oies on straight run or riser with both ends internally threaded indentify illustration belowahex bushing 0bnipplecsocketdface bushing35in back to back fixture connection the following ma ybe used exceptadouble sanitary tee0bdouble wye combinationcdouble inverted wyeddouble tapped tee36a horizontal pipe is a pipe that makes an angle ofaless htna 45 degress w the vert0b48 deg. With the verticalcless than or more htan 45 deg with the vertdless than 45 deg with the hor.37a measure of the probalbe discharge ointe the plumbign system by various typesof fixtures plumbing fixtures are rated according to their discharge capacities in cu. Ft. per min. or gals per min unitadrainage fixture unit0bdischarge ratecplumbing unitdflow rate38this type of trap is installesd alomg horizontal lines of sanitrsay rainage such as horizontal branches and house drains ita jas two cleanout at both ends indetify ilustrationabag trap0bptrapcrunning tgrapddrum trap39a cespool should be located note less than -------from a septic tanka30 m0b6mc1.5md3m40a type of vent used to provide air circulation to a single fixture trapaunit vent0bback ventccircuit ventdbranch vent41a fitting with two sides intenallt threaded and one externallt threaded/. Externallt threaded portion should be connected to a ftting rather thatn to a pipe since pipes aer externallt threadedaservice tee0bcross teecstraight teedtee reducer42what is recommended slope percentage for horizontal sanitary drainage pipesa1%0b2%c3%d4%43what type d bventing system is installed between soul or waste stack and vent stacjaunit vent0bback ventcyoke ventdcircuit vent44ftting used in changing ditection sic as from horiontal branc to a stack in cinnection with another fitting namely 1/8 benf. Also in horizontal to horizontal change of directionabend0bwye combinationcurinal wyedwye branch45in terms at colume what is the theoretical ratio of the colume of sewage in leaching chamber ti that g the digestive chambera 1/30b 1/2c 2/3dsame volume46identify kind of water closet design it is provided ith a valve that can be activated to release a pre determined anout of water for flushingaflushometer tyoe water closet0btank type water closetcsiphon vortex type water lcosetdwall hung water closet47what kind of fitting is used to connect lavatory arm to a drain piepe when the change is 90 degreesawye bracnk0bupright brachcsanitary teedbend48what is the minimum drain pipe size of water closeta50mm0b75mmc100mmd125mm49which externally threaded fitting can be used to close the end of a galvanized steel pipeaplug0bcapcbushingdnipple50which type of valve is used to control or regulate the flow of water in a water supply system along the water service pipe sectionaglobe valve0bangle valvecplug valvedgate valve51which of the following is condisred a plumbing fixtureagate valve0bfaucetcwater meterdfloor drain52the following are ways of preventing backflow exceptabackpressure0bair gapcbackwater valve dcheck valve 53how many drinking fountains may be required on a theater having an occupant load f 600a20b4c6d854identify the type of pump shown. This pump contains an impeller mounted on a rotating shaft the rotating impeller increases the water velocity while forcing the water into a casing thus converting the waters velocity into higher pressureareciprocating pump0brotary pumpcsubmersible pumpdcentrifugal pump55which of the following fixture traps is classified as permissible trapafull S-trap0bP-trapcBell trapdmechanically sealed trap56which of the following situations locations do not rewuire a cleanoutaat upper end of every horizontal soil and waste branch0bat every branch interval along the stackcany horizontal soil pipe less than 15 mdat the base of every soil stack57a fixture having a drainage fixture unit value of 6 Fu has a discharge rate ofa2 cu ft/min0b4 cu ft/minc6 cu ft/mind8 cu ft/min58identify the plumbing fitting shown below. This water supply fitting type is used to change direction and both ends are internally threadedacoupling0bunioncelbowdstraight tee59what is the minimum fixture supply pipe of a lavatorya10mm0b13mm 19mmd25mm60which og thr follwing plastic or syntethic pipes is a flexible type of pipeaunplasticized polyvinyl chloride UPVC0bpolybutelenecpolypropylene PPdAcrylonitrile butadine styrene ABS61the abrreviation IPS stands forainternal pipe size0bindividual plumbing systemcinternational piping symboldiron pipe size62calculate the velocity of wastewater flowing through a pipe having cross sectional area of 2 cm^2 and a discharge rate of 8cm^3/seca4 cm/sec0b6 cm/secc8 cm/secd16 cm/sec63what characteristic best describes a plastic or syntethic piepe?alow resistance to fluid flow0bease of assemblychot and cold water system applicationdall of these64what do you call a type of wrench used in no hub plumbing insatallation it is used to ensure a tight leajk free jointaallen wrench0bvalve seat toolcstrap wrenchdtorque wrench65which tool is recommended for removing and assemling lavatory fittingsamonkey wrnech0bbasin wrenchccresent wrenchdspud wrench66a tool used t make watertight jpints between flexible copper tbing anf fitting valve. Identify the said plumbing tiil given thedrawingaflaring tool0bpipe vicecyoke vicedpipe extractor67a term use to describe the onstallation p\of ixtures or parts of the plumbing system which can be completed prior to the installation of fixtures or finishingapipelaying0bplumbing assemblycroughing indmock up installation68the following are examples of sanitary wares exceptakitchen sink0bbathubcurinaldwater closet 69what is the other word for plumbers friendaplumbing apprentice0bforce cupcjourneymandpipefitter70which among the plumbing practices is proihibited under the codeadouble trapping fixture 0bprovideing a vent pipe to a fixturecusing fittings to ceonnect piupes instead of bendingdproviding an ar gap or air break between the oulet and the flood level rim of a fixture71which plumbing principle is contrary to established principles as stipulated in the NPCawater closet shall be located in a properly lighted and ventilated room0bplumbing system shall be maintained ina sanitary and serviceavle condtitioncvent terminal shall not extend above the roof]dfixture connected to the plumbing sytem shall be equipped with water sealed trap72bidet is a plumbing fixture used for washingabody0bface bushingcexternal genataliadfeet73every exposed trap must beabe self cleaning0bhave inadequate trap esal in order to cause trap seal losscnot provided with a removable cleanout plugdnot able to reatain amount of waste water74which of the following is not a sanitary drainage fittingawye branch0bnipplectapped teeduprght wye75which of the following materailsis not recommended for water supply applicationaconcrete pipe0bbrass pipecplastic piepedgalvanized steel pipe76identify the kind of trap, this trap is considered objectionableaanti siphon tra[0bdrum trapcbell trapdfunnel trap77the following are the types of coper pipe except atype K0btype Lctype Mdtype N78what do you call the supply pie between the fixture supply pipe and the water ditriuting pipeafixture branch0bfixture supplycwater service pipedbuilding supply pipe79identify the type of ventilation system used in the illustration below, above overflow rin not two traps not two horizontal trapsaunit vent0bindividual ventccircuit ventdyoke vent80an insanitray type of water closet, have invisible seals, does not flushahoper type0bplunger typecpan typedall of these81which of the following is not a type of flushing design action of a water closetasiphon jet0bsiphon vortex creverse trapdblowoff82plastic pipes are manufactured fromathermoplastic plastic 0bthermoset plasticcrubber based plasticdnone of the above83the flow of water in a pipe is affected by the following conditionsasize of pipe0bnumber of turns or changes in direction of pipescinternal surface condition of pipesdall of these84a cubic foot of water has a weight equivalenta62.4 lbs0b100lbsc150lbsdnone of these85this tool is used to extract pipes through 2 inches nipplesaspud wrench0binternal wrenchcmonkey wrnechdstillson wrench86plumbing valve ring like with vertical cylinder aball valve0bglobe valvecbutterfly valvedgate valve87the followings are ways in which the ways in which the water seal in a trap may be lostatuberculation0bsiphonagecbackpressuredcapillary action88chooes from the pist the best type of sewage disposal systemaseepage pit0bprivycseptic tankdcesspool89what is the minmun required flo pressure for a water closet equipped with a flushometer valvea8psi0b10psic15psid25psi90calculate the volume of a cylindrical tank having a diameter of 1 meter anf a length of two metersa1.57 cum0b1.75cumc2.15cumd3.51cum91the abbreviation dwv stands foradrain waste and vent0bdrain water ventcdrainage velocityddrainpipe waste volume92which of the following is not a part of a typical trapadip0btrap sealcbottom dipdflood level rim93the following are types of filtration process for water exceptaslow sand 0bpressure sand cdistillationddiatomaceous earth 94an objectionable type of trapafull S trap0bbag trapcmetal partition trapdall of these95what is the other word for toiletawater closet0burinalclavatorydkitchen sink96identify this plumbing toolatorque wrench0bstillson wrenchcpipe wrenchdmonkey wrnech97a 1/4 bend is a fitting having an angle equivalnet to a30*0b45*c60*d90*98where do you install a flushometer valveaurinal0blavatorycbath tubdkitchen sink99a pop up waste can be found in a awater closet0bbath tubclavatorydboth a and c100DFU is a abbreviation used in sizing what pert of the plumbing systemawater supply pipes0bsanitary drainage pipescventilation pipesscore:total:dstorm drainage pipes000101the size of storm drainage system is dependent on the following items or parameters exceptarate of rainfall0bslope roofcnumber of storm drainage pipesdbrand of pipe102which of the following is a plumbing applianceawater closet0bwashing machinecswimming pool dfloor drain103which of the ff joint pipes si comomly used on galvanized steel piepsascrewed joint0bflange jointcwelded jointdsolvent cement welded joint104what material property characterizes cast iron pipesaductility0bmalleabilitycbrittlenessdflexibility105what do you call a type of backflow preventing device is used on water supply systemagate valve0bbackwater valve ccheck valve dfloat valve106as defined a floor drain is considered afitting0bfixturectooldappurtenance107what is the volume of swimming pool with rhe following dimension 5 ft 50 ft 100fta187000 gal0b120000galc105000gald169000gal108which of the ff galvanized itron pipes is the heaviestasched 100bsched 40csched 60dsched 80109which of the ff fixture group qualifies the definition of battery of fixturesa2 lav 2urinals and 1 water closet0b3 lav 2wcc5 wcd3wc 1lav 1 fd110what is the unit weight of watera1000kg/cum0b1500kg/cumc2000kg/cumd3000kg/cum111what is the other word for vent stackastack vent0bmain ventcyoke ventdsovent system112identify this type of plummbing toll. It is used to remove external and internal burrs resulting from cutting of pipesapiep bender0btorque wrenchcuniversal wrenchdcombination reamer113waste water flushed out of the water closet or urinal is known asagrey water0bwhite watercblack waterdstorm water114the other name for hubabell0bspigotcboddsleeve115a horizontal pipe is a pipe that makes an angle ofaless than 45 deg or less with th vert0b45 deg with the verticalc45 deg dless than 45 deg. With the hor116a kinf of well dug with earh augers are usually less than 30 meters 100 ft. they are used when the earth to ne nires ies boulde free and will not cave in. the diameter ranges from 2 to 3 inch. The well is lines with meta vitrified tile or concrete.adug well0bbored wellcdrilled welldwell hole117a typical compression type tap is generally made of what kind of valveagate valve0bcheck valve cglobe valvedstop and waste valve118the term stack applies to what type o pieasoil0bwastecventdall of these119identify the valve shown elow. This is used to prevent backflow in water supply systemacheck valve 0bback water valvecgate valvedbutterfly valve120what type o copper tube is the heaviestatype K0btype Lctype Mdtype DWV121which of the following is the earliest model of water closetaclose coupled0bhigh tankclow profiledmedium tank122what tool is aplty used to remove or tighten the head of a plugabasin wrench0bpipe wrenchccrecent wrenchdtap123whis tool is used to cut external threads of a pipe what is itapipe threadr0btapcreamerdhacksaw124what is the correct order of valves or devices in a water ser vice and bilding supply dystemacheck valve gate valve water meter0bwater meter check valve gate valvecgate valve check valve water meterdgate valve water meter check valve125which of the following materials is not used in caulkingarunner0boakumcleaddflange 126galvanized steel pipes are generally measured by its ainside diameter0boutside diamtercdeveloped lengthdnumber of threads127what type of vent system is used ona single fixture above overflow rimarevent0bcircuit ventcyoke ventdunit vent128which of the following is not a commercial size of a galvanized steel pipea2 inch0b2 3/4 inchc1 1/2 inchd1inch129what is the standard length of plastic or syntethic pipea2000mm0b3000mmc4000mmd5000mm130what is q inside dia=250 v=5m/sa0.565m3/s0b0.825m3/sc0.1249m3/sd0.245m3/s131where d you connect a downspoutaseptic tank0bstorm darinage ccesspooldprivy132where do you use a crowfootavent piping system0bsanitary piping systemcstorm drainage systemdwater supply system133this type of venting system is connected at the drain side of a trap.afixture vent0byoke ventcvapor ventdwet vent134what type of pvc pipe is used on sanitary drainage systemaseries 10000bseries 2000cseries 3000dseries4000135what type of vent is used in conjunction with loop ventaindividual vent0bcircuit ventcunit ventdlooped vent136a word synonymous with p trapafull S trap0bgooseneckcbell trapscore:Total:ddrum trap000137a0bcd138a0bcd139a0bcd140a0bcd141a0bcd142a0bcd143a0bcd144a0bcd145a0bcd146a0bcd147a0bcd148a0bcd149a0bcd150a0bcd151a0bcd152a0bcd153a0bcd154a0bcd155a0bcd156a0bcd157a0bcd158a0bcd159a0bcd160a0bcd161a0bcd162a0bcd163a0bcd164a0bcd165a0bcd166a0bcd167a0bcd168a0bcd169a0bcd170a0bcd171a0bcd172a0bcd173a0bcd174a0bcd175a0bcd176a0bcd177a0bcd178a0bcd179a0bcd180a0bcd181a0bcd182a0bcd183a0bcd184a0bcd185a0bcd186a0bcd187a0bcd188a0bcd189a0bcd190a0bcd191a0bcd192a0bcd193a0

EXAM 2 design1a vertical vent that is continuation of the drain to which it connects is aabranch vent0brelief ventccontinous ventdcircuit vent2a piping system designed to control and conveys excess ground water to a suitable locationastorm water drainage piping0bsewer pipingcvertical stackddownspot3when no public sewer intended to serve any lot or premises is available in any througfare or right of way abutting such a lot or pre mises drainage piping from the building shall be connected toasewage ejector0bholding tankcprovate sewage disposal systemdcesspool4a unit which is equivalnet to the flow rate of one cubit foot of water per minute or 7 1/2 gpm of water isafixture unit 0bnumber of water closets cenglish unitdmetric unit5roof joint shalll= beagas tight0bair tightcsmoke tightdwater tight6a fixture designed for the washing of hands or face sometimes called washbasinasink0blavatorycbathtubdshower7a condition in the distribution system where it could damage or create condition that will damage components of the distrinution system or create a nuissance is termed as aexcessive water pressure0bloss of pressurecexcessive air pressuredloss of water flow8a stack a as defined in the code isathe vertical main soil waste or vent piping0bany vertical ventcthe main ventdhorizontal main9air pressure in drainage pipes greater than atmospheric pressureastandard pressure0bnormal pressurecback pressuredbarometric pressure10no clevical toilet shall be installed in any building unless first approved by theahealth officer0barchitectcbuilding and safetydzoning administration11all water suppply drainage, vending system and al fixtures and their traps complete with their connectionaplumbing system0bpiping systemcsewer systemdsanitary system12the minimum size of water supply pipe to alavatory isa1 diamter0b2/4 inch diameterc3/8 inch diameterd1/2 inch diameter13request for inspection by the master plumber to the administrative authority is required to be made in advance at least before the work to be testeda12 hrs0b24hrsc36hrsd8hrs14the vertical distance that waste travels through open air between the waste pipe and the indirect waste receptor isaconnection0bair gap (drainage)cconveyancedvaccum15a means of measurement for vertical waste or soil stack. It is equal to each floor level or storey in a building but are always a laest eight fet intervalsavertical distance0bfloor distancecbranch intervalsdstorey16a drain connecting the compartments of a certain fixture to its trap is calledacombination waste and vent0bcontinuos wastecspecial wastedindirect waste17storm water is apotable water0bwaste watercrain waterdsea water18a pipe fitting used to reduce the size of an opening is calledacap0bunioncnippledbushing19the minimum pressure that should be mmaintained for fixtures containing flush tank suppliesa8 psi0b4.34psic30psid434psi20a piece of chemetal fixed under another piece of flat metal or wood over which water is expected to run is calledagutter'0bsheetingcflashingdroofing21supports or anchorage of piping shall not exceed an interval ofa10ft0b12ftc20ftd15ft22when connecting plastic pipes to other types of piping the specific transition intended shall be made with approvedasoldered joint0bthreaded jointcfittings and adaptorsdsweated joint23the inspection of a gas piping system prior to covering or concealing such pipe isaroutine inspection0bhydro piping inspectoincsite inspectiondrough piping inspection24copper tubbing used for water ping under concrete slabs within a building shall beacoppertube with brazed0bbrazed joint with cast brass fittingcinstalled without joints where possible dprotected with factory applied coating25the static water pressure at the water hammer is 80psi. At the outlet 40 ft above their meter, the static water pressure woud be approx.a80 psi0b60psic120psid40psi26the water demand for shower heada7 gallon/min0b5gal/minc12 gal/mind10gal/min27vent pipes may offset horizontally when the distance above the extreme overflow level of the fixture is at leasta1inch0b6inchc18inchd1 foot28the minimum plumbing permit charge for one unit isa15 pesos0b5pesosc10pesosd7pesos29a drainage pipe used to carry main or surface water cooling water and similar liquid wasteahouse drain0bhouse sewercsanitary swewerdcold water30a receptacle attached to the plumbing system other han the trap in which waste or waste may collected or retaind for an ultimate discharge into the plumbing systemacontainer0bfixture ctankdcesspool31cast iron piping 10 ft. leghts installed horiontally shall e suportdd at intervals of not more thana12 ft0b15ftc5ftd10ft32sizes of vertical and horizontal drainage pipe shall be determined from atype of building0bnumber of bathroom installedclocation of fixturesdtotal fixture untis33tha value for controlling two or more outlet is a cold water supply line may be a arising stem gate valve0bheavy duty globe valvecground key valvednonrising stem globe valve34the flow of water hich has grdual and regular variation over time and space isalaminar flow0bstream linecturbulentdmixed flow35an expansion joint shall be acceptable except in piping foravents0bhot watercsteamdcold water36the minimum size building supply allowed by the code for water isa3/4 inch0b1 inchc1/2 inch diameterd1 1/4 inch37cast iron pieps weld stell pipes copper pipres verified clay concrete and asbestos shall conform to standard other than the phil standaraANSI0bAISCcASTMdAPI38a material not listed in the code for use in water piping isaaluminium0basbestos cementccast irondplastic39the critical level maring or a backflow prevention device or vacuum breaker is a point established by the atesting laboratory0bhealth officercinspectordmanufacturer40CPVC water pipe may be used for hot and cold water distribution systemaabove ground only0bbelow ground onlycin residences onlydwithin a building41plugging an opening with oakum lead or other materials that are rounded into placeacaulking0bfilling ccompressingdcompacting42when connecting horizontal drain line with another horizontal drain line the acceptable fitting to be used areacoupling 0bcross teeccombination Y and 1/8dsanitary tee43the minimum allowable size of any building drain horizontal branch vertical soil or wate stack serving one or more waste closets shall bea4 inch0b4 1/2 inchc3 inchd5 inch44it s a box like collection device which is located on the exterior of the building and receives storm water on one sideascupper0bgutter'cstorm draindfoor drain45the air pressure test for any threaded low pressure gas piping system shall be at leasta10psi for 15 min0b15 psi for 15 minsc15psi for 10 mins'd10 psi for 10 min46caulked or screwed joints shall be applicable toaPVC0bcast ironcvitrified claydasbestos47the vent pipe serving a combination waste and vent syatem with a 4 inch drainpipe shall be at leasta2 1/2 inch0b3 1/2 inchc3 inchd2 inch48bulding sewer shall be tested by completely filling the sewer with water from the alowest to at least 10 ft head0blowest to the highest pointclowest to at least ground leveldlowest to at least 5ft head49in water supply piping slip joints may be used only on theacold water supply0bconcealed fixturecexposed fixture supplydhot water supply50a water system containing a water heater will requireamixing valve0bheat water return limecpressure relief valvedcheck valve51the drainage pipe running from outside a building foundation to the main sewer is calledabuilding drain0bsewercwaste draindstorm drain52a set of regulation adapted by an administrative agenc that has jurisdiction over materials and deign specification in plumbingaplumbing code0bcode of ethicscbuilding codedcivil code53the maximum size of water supply pipe for flush walve isa2 inches0b1 inchc3/4 inchd1/2 inch diameter54the lowest piping system that receives the discharge from soil waste and other drainage pipeawaste pipe0bbuilding draincbuilding sewerdsoil pipe55the maximum lead content llowed in pipe used to convey potable watera3 perc0b2 percc1percd8perc56is it permissible to place building sewer and drainage piping in the same trench with the water service pipeayes0bnocmaybe yesdsomethimes yes57upon issuance of plumbing permit plumbing installation shall commence withinano limit0bone monthcone yeardsix months58an automatic fill device most commonly found in toilet tanksaglobe valve0bballcockcbutterfly valvedgate valve59a vert pipe to convey main wasteadrain pipe0bconductior leader or downspoutcvent pipedsoil pipe60the drainage system is subdoided into 3 diff components drainage the wate and the vent this is reffered to asasanitary sewer system0bstorm water drainage pipingcDWV systemdvent system61that part of the lumbing system extending from a point 4 or 5 ft from the inner dface of the foundatoin wall of nuidling to the jnction with another sewerahouse sewer 0bstorm sewercsanitary swewerdsewer pipe62equipment which includes all vale and controls used in the plumbing sstem which are required to be accessible or readily accessible is calledamachines0bcontrolscregulation equipmentdpipes63rain water piping located on the exterior of a building using galvanized sheet metal shall not be lessthana25 gal0b32 gal3c28 gald30 gal64a term used which is contrary to sanitaray principle or injurious to health isainsanitary0bunhealthychealthfuldsanitary65an electrically or mechanically operated device used to elevate sewage and liquid waste from a lower level to a point of dscharge into a sewer or other diposal systemaejector0bramcscrewdhard pump66the maximum fixture units loading allowed on a 2 inch waste stack isa40b6c16d867a watertight receptacle that receives sewage isawater tank0bseptic tankccesspoolddraingae tank68the force required to move the water inside the pipe is calledaforce0bfrictioncvelocitydpressure 69another name for a clincal sink isaspecial sink0bordinary sinkcextra ordinary sinkdbedpan washer70building sewer or draingae pipe shall be placed with same tranch with water service pipeafalcse0bnot samecmaybe dTRUE71a measure of inertia forces to viscous forces which sometimes describe wheter it is turbulent or laminar flow areynolds number0bfroude numbercmoody numberdweber number72a deviceused to connect drainage of a dishwasher with the sanitray drainage system is calledawasher device0bvacuum breakercexplosion devicedair gap device73a pipe which makes an angle of 45 deg. From the vertical is consideredahorizontal0bcrackedcvertdoffset74the min quantity of water for flushing urinals a4gal0b6galc7 gald2 gal75changes in direction at copper tubing maybe made withabending equipemtn0bmetallic fittingsclpastic fittingsdprepare torch76pert of lowest horizontal piping of the plumbing which receives the discharge from soil waste and other drainage pipes inside of the building and conveys it to the house seweravert drain0bstorm drainchouse draindsoil pipe77piping which shall not be installed under or within 2 ft at any building or structure isacast iron0bplasticccopperdasbestos cement78fixture conection between drainage pipe and water closets shall be made withahot poured compound0bfalcgescexpansion jointsdunion79a joint made by firmly packing oakum anf filled with molten lead to a depth of not less than 1 inch foracast iron bell and spigot soil pipe0bcast iron no hub pipecplastic piedsteel pipe80the dist bet a water heater and the union on water lines shall not be more thana18 inch'0b12 inchc6 inchd24 inch81what valve is requires ahead of each water supplied appliance each slip joint or on metallic connectionaflow valve0bcheck valveccontrol valvedsolenoid valve82when pipe makes an angle f not more than 45 deg with the etical it is considered asavertical pipe0bdiagonal pipeccrooked pipedhorizontal pipe83total number of water closets on a 3 inch stack isa60b3c4d284a vent in a combustion waste and vent system shall be approximately equal in area to one halfaarea of the house sewer0bcross section area of the draw pipecarea of the public sewerddiameter of the draw pipe served85DWV materials meanadrainage water vents0bdrainage water valvecdrum waste valveddrainage waste and vent86every passage way to an attic water heater shall have a solid continous floorinf not less thana36 inch wide0b48 inch widec60inch wided24 inch wide87every nbuilding in which plumbing fixtures are installed water pressure for fixture isadeywell0bcesspoolcstorm water dpublic or private sewer88the maximum trap laoding for a 2inch trap isa1unit0b2unitsc4unitsd3units89allowing friction and other pressure loss the available water pressure for fixturea30psi0b20psic15psid45psi90the movemtn of water through the surface of a soil and into the soil below the surface isastorm meter run off0bdepressioncevaporationdinfiltration91the min slope of 3 inch horizontal pipe shall not be less than a3/4 inch/ft0b1/2inch/ftc1inch/ftd1/4inch/ft92the size of the supple piping outlet for any gas appliance shall be not less than athe smallest size pipe in the system0bthe inlet connection of that applicanec3/4 inch f total length is 30 ftd1 inch to allow future expansion93the quantity of water required to be supplied to every plumbing fixture shallb= be represneted byalbs /inch sq0bgal/mincfixture unitsdft/sec94a pit or receptacle at a low point which the liquid waste are drainacanal0bsumpctankdcister95the waste test for drainage system shall be at leasta5ft head0b10psic25psid10ft head96a fixture vent pipe increased one pipe size its entire lengthamay exceed the max horizonntal length limited by code 0bwill be a better workmanshio jobcwill increased venting efficiencydwill reduce the cost of installation97what pressure is required to test water supply systema100 perc of used water pressure0b150 perc used water pressurec200perc of used water pressured300perc of used water pressure98fee for one unit of plumbing as plumbing unitaP50bP15cP12dP1099the min size clean out allowed to serve a 4 inch drain line isa3 1/2 inch0b2 inchc3 inchd4 inch100a storm drain sometimes located under the basement floor within the walls of the buildingainside storm drain0bhouse sewer coutside storm drainscore:total:dinside sewer000101what is the minimum pressure outlet to operate a flush valve in water closet and urinala15psi0b25psic10psid20psi102the appropriate type of material for vent pipes in an acid waste system isagalvanized iron0bmalleable ironcplasticdDWV copper103what is the FU of a restaurant with: 7 WC, 4 urinal, 4 lavatory, 5 FD, 1 Bar counter, 1 veg sink, 1 slop sinka94.50b88c84.8d74.5104where is surface water for domestic use collectedaseas0bstreamscmountainsdoceans105what is the fixtre unit of a 25 storey hotel building with 8 private nathroom group on each floor usse class 1a12400b1200c1210d1260106what is the least method to lay a Pb or Pe tube on trenchesastretched0bstraightliecon steel sleevesdsnake like107what really seals a caulked jointapig lead0bcementcepoxydoakum108what fitting is needed in a cleanout if the pipe is S-inches diameteranipple0belbowclong sweepdreducer109PE plastic tubing is a material used for water service connectionaPlastic Extrusion0bPolyethylenecPlastic ExpanderdPoly Enzyme110what produces when magnesium salt is present in wateramineral hardness0bpermanent hardnessctotal hardnessdtemporary harndes111what should be used in supporting suspended horizontal single run plumbing pipeaclamp hanger0bclevis hangerctrapeze hangerdbracket hanger112what kind of lubricant is use during operation for threading machineaanimal oitl0bvegetable oilcengine oildwater soluble oil113iron in the form of ferrous bicarbonate can be removes from water by means ofalimeston filtration0baerationcsedimentationdactivated charcoal filtration114when should pipe be reamed to remove burrsaafter threading0bbefore threadingcbefore cuttingdafter cuttting115water is many times heavier tha air bya8030b300c830d308116what should be done before working with lead that is wetawipe it0bpre heatcuse blowerduse drier117how many lavaory shall e installed in a school with 240 male studentsa30b5c6d4118what water is a portion of rainwater wich percolates into the earth to form underground depositaspring surface0bground watercdewdsurface water119what is the min retention period of waste water in a septic tank which will settle and stabilize solids suspended in watera12 hr0b24hrsc48hrsd30hrs120what is the size of the downspout if the rainfall intensity is 100mm if the deck roof is 425 sq m.a50mm0b100mmc150mmd75mm121which of these stages is not one among cycle of H2Oasaturation0bprecipitationcevaporationdcondensatoin122what is the name of the process in which steel and wrought iron pipe rustaelectrolysis0bsand blastcpercolationdtubercolation123what system uses an assembly of mechanical device which raise water using compressed air as delivery methodapneumatic air pressure system0bdown feed systemcoverhead feed systemddeep well system124what is the hor rainwater pipe with 2 percent slope if the maximum rainfall is 150mm on a 200mm^2 slaba3000b200c375d250125how man female office employess suited for 5 lavatorya1300b150c90d100126how many persons can be served by a 6inch CHB wall and 6inch concrete slab septic tank whose sludge chamber outside dimensions is 2.10 wide x 3.9 x 2.0 deep including 0.2 air spacea300b50c40d20127what is the fu of a factory building with 6 urin flush valve 4 shower multispray 3 wb 4wc (c-2) 3 FD 2 DFa580b88c68d78128which of these maintenance procedures maybe performed on a pump while it is runningalubrication the impeller fins0btightening the packing nutcreplacing the seal partsdreplacing the packing129what is the distancebetween the faucet and the floor rim of the basin into which it dischargesaair chamber0bair gapcair valvedair bubble130where is rainwater for domestic use collectedalakes0broofscplantsdgrounds131a flush valve urinal wall hung type should have a min. water supply sizea5/8 inch0b3/4 inchc1 1/4 inchd3/8 inch132what is the fu of 10 hospital private rooms using class 2 bathroom group.a700b80c40d50133how many lavatories shall be installed in an office with 50 femal employessa30b4c2d5134what pressure is loss caused by water flowing thru the pipe hub and spigot typeadynamic0bfriction losscstatic water pressuredwater pressure135what is the device or fitting used to provide a liquid seal to keep sewer gases out of the house without affecting the flow of waste water sewagearunning trap0btrap sealcplumbing trapdbackwater valve136how can acidity of water be neutralizedacrust stone filtration0bwhite sand filtrationcmarble stone filtrationdgreen and filtrration137which of these pipes is measured on the outside diameteraconcrete pipe0bgalvanized iron pipecasbestosdcopper pipe138what is the size of gutter 2 percent slope if the maximum reainfall is 50mm on 44.5m^2a100 mm dia0b175mm diac125mm diad250mm dia139what is the size of downspout if the rainfall intensity on 200mm (8inch) if the deck roof is 102m^2a150mm dia0b75mm diac50mm diad100mm dia140what is the size of the gutter 2% slope if the maximum rainfall is 150mm on 13m^2a175mm dia0b200mm diac120mm diad150mm dia141the removal of silts dirts and other objectionable minerals in water is calledasedimentation0bpollutioncfiltrationdsiltation142one of the first steps in the selection of a suitable water supply source isademand0bbudgetary costcwater potabilitydtopography143what is the test used in determining if a newly installed water system is leak freeapressure test0bhydraulic testchydraulic testdleak test144what is the partner of the gate valve in the GI pipe system of installationacheck valve0bunion patenteccouplingdhub and spigot145which of these joints is adoptable to assemble cast iron pipe hub and spigot typeascrewed joint0bcompression jointscbrazed jointdmortar joints146what is the recommended size of service pipe approved by mwss for a 2 storey residetial housea1 1/4 dia - 31 mm dia0b1 dia -25mm diac1/2dia-12mm diad3/4 dia -19mm dia147what is the minmum size of water supply for water closet flush valve typea1/2 inch0b1"c1 1/4"d3/4"148how can sulphur in the form of hydrogen sulphate be removed from wateraaeration0bevaporationcfiltrationdsedimentation149what is joining compound is used to assemble poly vinyl chloride pipe and fitting togetheraepoxy0bsolvent cementcrugbydglue150what is the common pipe material use in house water systemaBI pipe0bCl pipecGi pipedAC pipe151what is the required when cast iron pipe and fittings of different size are to be joined or connectedagasket0bnipplecan increaser or reducerdunion patente152what is the size of gutter 2% slope if the maximum rainfall is 75 mm on 11m^2 slaba1500b200c100d125153what is the fixture unit of an 18 storey dormitory building with 6 bathroom group on every floor with class-2a7650b756c763d648154what is the size of the horizontal pipe whose roof area is 3500ft^2 max rainfall/hr is 6 inch slope is 1/8a2" dia0b8" diac4" diad6" dia155what is the size of horizontal rainwater 2% slope if the max rainfall intensity is 150 mm on a 390m^2 slaba125mm dia0b300mmdiac100mm diad375mm dia156what is the size of a horizontal rainwater pipe with a 2% sllope if the max rainfall is 50mm on a 390m^2 slaba375mm dia0b200mm diac300mmdiad150mm dia157what is the standard size of cleanout for a 4inch pipe3inch02inch4inch2 1/2 inch158what is the size of horizontal rainwater 2% slope if the max rainfall intensity is 75 mm on a 11m^2 slaba1500b200c100d125159what is the number of thread of one" dia to 2" dia for effective joints?a8 threads0b11 1/2 threadsc14 threadsd15 1/2 threads160watrer collected from sorping and wall as source of water for deomestic water supply is called aunderground waster0bnatura watercsurface waterdground water161what is meant by PE plastic tube material for service connectionaplastic extrusion0bpolyethelenecpolyenzymedplastic expander162what is size of h=gutter to percent slope if the maximum rainfall is 50mm on 28 m^2 a175mm dia0b100mmc200mm diad150mm dia163what is the sieze f a emicircular roof gutter whose area is 258.24 m^2, he maximum rainfall is 4" the gutter slope is 1/8a5"0b10"c8"d3"164what is the size f dwonspotu of the rainfall intensty is 100mm on a 100 mm^2 deck roof a75mm dia0b100mmc200mm diad150mm dia165how does the safety fixture of a service hot water system workaautomatically0bmaunallycelectricallydmechanically166where does the level 3 type ofwater service repairedaindiv shallow well hand pump inst0bpublic faucetscindv house pipe in connection with meterdartesian well167what is the size of da downspout of a five storey building whose max rainfall/hr is for inch the roof deck area is a shown in fgure DS-2a6"0b4"c5"d8"168how many female factory worjers are suited to 4 w.c.a4000b300c200d500169plumbing fixture classified as class 3 are intended for acondominium building0bcinema theater'coffice buldingdfactory building170how many female stadium addience is suited for 3 W.c.a6000b150c300d450171what is the min hor clear dist of water well supply to bulding sewer as per UPCa5' (1.50m)0b10' (3. m)c3' (0.9m)d50' (15.2m)172an automatic safety device of a hot water supply system is always providein order to elimintaeahuman error0bburstingcunderheatingdoverheating173what is the cause of objectionable taste and odor of wateramineral0bnitrogencoxygendalgae174how do you measure the rainfall intensityainches/hr0binches/mincinch/secdonches/day175the minimum size of water supply to bath tuba1/4"0b3/8"c1/2"d1"176what is the meaning of "u" placed before PVC pipe a material used for a water systemaultra0bunplasticizedcunderduniversal177how does the safety features of a service hot water system workaautomatically0belectricallycmechanicallydmanually178what do you call the vertical distance of a column of water from the pump dischargeahead loss0bfriction headcgravity headdpressure head179arin water for domestic use is collected fromaroof0bleakescgroundsdplants180a seepage is define as a sewage terminalareceiveing both liquid and solid waste0breceiving only liquid wastecreceiving only solid wastedreeiving direct human excreta181the total fixture units in a house sewer receiving sewage from townhouse is with 90 flush tank, 90 shower heads, 30 bath tubs, 30 kitchen sinks, 210 floor drains, 90 lavatoris , 3 bidets:: what is the total fixture unitsa10200b1002c1200d1000182what is the minimum commercial house sewer of 2% slope is useda7"0b8"c6"d5"183what is 3% slope is useda2"0b4"c5"d8"184what if 4% slope is useda8"0b4"c6"d5"185what is FU of w.ca2700b200c210d250186what is the FU of FDa1600b200c180d210187what is the FU of lavatorya650b70c90d80188what is the FU of KSa600b90c80d70189what is the FU of BDa900b120c60d100190what is the FU of bath tuba600b90c80d100191a 5 storey office building has a total C-11 fixtures/connects one soil stack composing of 50 flush valve water closets 40 conter type lavatories, 10 flush valve urinals, 5 mop slop sinks 30 ordinary flush drain:::: what is the total fixture unit of the systema340 FU0b435FUc430FUd345FU192what is the size of the soil stack if wye/bend inlet connection is useda5"0b8"c4"d6"193what is the size of the soil stack if sanitray conncection is useda4"0b5"c8"d6"194what is the FU of line 2809107195what is the FU of line 3a31 FU0b27Fuc26FUd25FU196what is the FU of line 4a14FU0b16FUc20FUd18FU197what is the horizontal branch (soil pipe) of line 2 in each floora3"0b4"c5"d6"198what is the size of the horizontal branch of line 1 in each floora2"0b4"c3"d5"199what is the length of the soil stack of the office buildinga15m0b14mc10md12m200what is the size of the vent stack or relief venta4"0b3"c2"score:total:d2 1/2"000

EXAM 3 PLumbing1a vertical pipe conveys only waste water or liquid waste free of fecal matterawaste pipe0bsoil pipecsoil stackdwaste stack2a pipe which conveys potable water from the building supply pipe to the plumbing fixture and other outletsawater service pipe0bwater maincwater distributing pipedbuilding water supply pipe3any pipe which convesy the ischarge of water closet urinal or fixture having similar function with or without the discharge from other fixtures to the building drain or building sewerasoil pipe0bwaste pipecbuilding draindbuilding sewer4in a building it consist of water service pipe water supply line water distributing pipes and the essential branch pipes valves and all other appurtenances for the supply of potable waterawater service system0bwater pipe systemcwater supply and distribution systemdbuilding water service and sewage piping system5where can you find a flushometer valveaurinal 0bbathtubclavatorydbidet6water which comes from discharge of laundry trays lavatoris bathtubsablack water0bgrey waterccontaminated waterdhard water7what property of water is characterized as its ability to slick to itself and pull itself together it can be demonstrated on a dripping tap where water clings to outlet of tap and forms a tiny globule before it failsacapillary action0bdissolving ability of watercabsorptiondsurface tension8hardness in water can be observed in the following ways exceptainability t produce lather0bdeposition of scalecwhen using soap it easily produces bubblesdwater tends to become slimy9what do you call iron that is present in wateraferrous bicarbonate0bsodium chloridecsulfur dioxidedferric chloride10in the coliform of bacteria e. coli is presnt in ecal matters as well as those birds and ther animals what is the abbreviation e coliaentamoeba0bescherichiacexcretadestrada11this is a processs whereby soil content in water is removed therevy rendering water potable. It is done by heating seawatere then puming water into low pressure vessels where water is partially vaporized. Water vapor is then condensd and turned into potable water. what do you call this process?adesalting0bevaporationccondensationddesalination12what is the mist common type odwater distribuitoin system. This method is dependent on the pressure provided bu water main invlvevs a minimum number and type of components such as overhead water tank and pressure tankadirect system0bhydropneumatic systemcupfeed and gravity distribution systemdupfeed system13what system of joint may be used in bell and spigot type cast iron pipeamehcnical joint0bthredadded kointccaulked jointdslip joint14the process of remooving suspended mater in water alomng with some discoloration using hydrated sulfide or coomonly called alum to form a gelatinous substance also known as flocculationafiltration0baerationcirradiationdcoagulation15it refers to the continous exchange of water within the hydrosphere between the atmosphere groundsurface underground surface and water surfaceaecological cycle0batmospheric cyclechydrologic cycledmeteorological cycle16what fits inta a bell or hubaspigot0bfittingctheraddfixture17where can a cleanout be lcoatedaat the upper end of every horiozntal branch0bat the base of stackcat intervals of 15 metersdall of these18the following are examples of drainage fttings exceptawye branch0bstreet teectapped teedsanitary tee19what is the minimu trap and trap arm size of a lavatory singlea32mm0b38mmc50mmd75mm20which condition qualifies the ter, battery of fixturesasimilar fixture as a group of water closet urinals0btwo or more fixtures connected to a common branchcfixtures are adjacent to each otherdall of these21what type of ventilation system is used in fixtre such as sinks that are located away from walls and partitionaunit vent0bback ventclooped ventdejector vent22a kind of trap seal loss resulting from change in temperature I usuaslly haapens when fixture is not walways usedaback pressure0bevaporationcsiphonagedcapillary cation23the length along the center line of pipes and fitting. This is measured when pipes and fittings are installedatotal length0bface to face lengthcend to end lengthddeveloped length24a bathroom that contains a water clsoet and a lavtory without a bathhubahalf bath0bthree quarter bath cfullbathdone and a half bath25a tnak or pit that is provided below normal grade such as in basement of a building from which waste or sewage is discharge into and removed by mechanical means into an ultimate means of waste disposal such as steet seweracistern0breservoircsump pitdholding tank26teflon a white soft waxy and non adhesive polymer is ued as a leak prevention material for pipes particulary galvanized iron pipes . It is located located betwenn the threade pipe end and fitting what is the chemical name of teflonatrifluoroethelene0bpolyethylenectretrafluoroethylenedpentafuorocarbon27an engineered material created through patented procedure that bonds glossy porcelain enameled metal to a structural composite through an injection moulding process used partiulary in manufacturing bathtubs what is this patented material used in the market today.axpelar0bdacroncluciledamericast28in a typical grease trap what shoul be correct arrangemetn of its inlet and putlet in its elevationathe inlet should be higher thatn the outet0bthe outlet should be higher than the inletcboth inlet and outlet should be at the same elevation specifically a the upper section of the trapdany elevation will do29a standard pipeing material used by the local water utility company to connect the water service pipe of any establishment to the water main. Ht I this plastic piping materialapolyvinyl chloride0binplasticized polyvinyl chloridecacylonitrile butadine styrenedpolyethylene30when designing a septic tank which of the following practices is not acceptable in so far as standard trade practice and code requirement is concerenedavents not necessary\0binlet pipe connected at the leaching chambercno airspace between underside of slab and scum linedall f these31what material has that property that allows the smooth flow of water water due to its low flow resistanceaplastic pipe0bgalvanized steel pipecconcrete pipedcast iron pipe32what kind of joint which utilizes heat as means of bonding monolitically plastic pipes and fittings of homogenous competitionaheat bonding joint0bheat fusion jointcfusion welding jointdplastic welding joint33in waste disposal system one of the concerns of sanitary engineers and public health officials is the spread of disese caused by bacteria found in sewage what type of bacteria are presnet in feces excreted by man and animalsaescheri coli (e.coli)0bsalmoneliacentamoeba histoliticadnecator americanus34using the rule of thumb in the design of a septic tnk with a digestive chamber capacity of 4 cubic meters what should be the liquid capacity o the leaching chambera1cum0b2cumc3cumd4cum35when designing sanitary drainage system what material specification should be specified when using polyvinyl chloride pipeaseries 4000bseries 600cseries 800dseries 100036in the abbreviation Pex what does x stands foracross linked0bextracalkoxy componentdexterior application37pipes used in the plmbing industry are provided by manufacturese. The manufacturinf of piepes on standard et bu authorities ans trade conultants. Which of the folowing sizes is not commercially availablee hecnce pipes of this sieze are commonly subtituted with a larger onea0.5 in0b3/4 inc1 1/2 ind1 3/4 in38which among the following classes of galvanized pipes has the thickest wall sectionaschedule 800bschedule 60cschedule 40dschedule 1039which of the folowing fixture combination can be technically considered a battery of fixtuersa4urinals0b2 wter closet 1 lav 1 shower headc1 showerd 1 waeter closet 1 shower and 1 urinal40which of the ff items is ocnsidered a fixtureafloor drain0bbidetcwter closetdall of these41which of the following conditions can cause result to backflowaback pressure0bdifference in elevationccross sconnectiondall of these42a check valve is a kind of backflow prevention device used n wath system of plumbingasanitary drainage system0bwater supply systemcstorm drainage systemdnone of these43which type of valve is used ion the water supply shut off portion of a lavatoryaball valve0bgate valvecangle valvedbutterfly valve44a kind of check valve used at the end of the section line of a pump . It is designed to prevent water from flowing back into the tank causing priming problmensafoot valve0bgate valvecbutterfly valvedangle valve45a source of water which can be made by excavating digging boring into the groundawell0briver stream or lakecprecipitatedsurface runoff46a kind of sewer system where both sanitary waste and storm water are drained intoasanitatry sewer0bwaste sewercstorm waterdcombination sewer47what do you call a device ni fixture for flushing this device discharges a predetermined quatity of water to a fixture for flushing purposes and is activated by direct watere pressure afoot valve0bflushometer valvecballcock assemblydbutterfly valve48an pening in a pipe used for the purpose of cleaning also for inspection and designing or removing debris inside pipe runs and slacks it is filles with a removal plug or cap and usually placed o slb or underneath sllabamanhole0bapppurtenenceccleanoutdhandhole49a general term which refers to the process of removing contaminnats from raw water it onvolves several process that is intended to rende raw water potablr and sale for consumptionawater purification0bwater filtrationcwater softeningdwater sesalination50which of the following is a violation or in contrast with the basic plumbing principlesaplumbing system shall be maintained in a sanitary or serviceable condition0bwater closet may be located inunlightend or unventilated roomcplumbing ficture shall be designed and adjusted to use min amount of water for flushingdall premises intended for human habilitation shall be provided with ample and wholesome anount of water51the following are components of a basic plumbing system exceptafixtures0bvalvesculitiliy boxesdfittings52cylindrical conduit or conductor the wall thickness is sufficient to receive a standard pipeaconduit0bpipecfittingdvalves53a wateright receptacle which the discharge of sanitray plumbing system or part thereofdesigned and constructed to retain solids digest or ganic atter throuhg a period of detention and to allow the liquids to discharge into the soil outside of the tank through a system of open jointed subsurface pipine or a seepage pitaseepage pit0bcesspoolcseptic tankdprivy vault54a loosely lined excavtion in the ground which receives the discharge of a septic tank and designed to permit the effluent from the septic tank to seep through the bot and sides of the pitaprivy vault0bdrain pitcseptic tankdcesspool55a common measure of the probable discharge into the drainage system by varius types of plumbing fixtures on the basis of one unit of this being equal to adrainage rate of 7.5 gals per minute of one cubic foot of water per minuteaflow rate0bdrainage fixture unitcflow pressureddrainage flow56the installttoin of parts of the pumbing system shich can be completed prior ro installation of fixture or fnishing. This included drainage water supply and vent pipint and necessary fixture supportsaroughing in0bmock up installationcpreinstallatinodsetting57 water supply pipe that extend vertically one full storey or more to cnvey water to fixture branches or group of fixturesaup pipe0brisercstock pipescore:total:dwater stack pipe00058a0bcd59a0bcd60a0bcd61a0bcd62a0bcd63a0bcd64a0bcd65a0bcd66a0bcd67a0bcd68a0bcd69a0bcd70a0bcd71a0bcd72a0bcd73a0bcd74a0bcd75a0bcd76a0bcd77a0bcd78a0bcd79a0bcd80a0bcd81a0bcd82a0bcd83a0bcd84a0bcd85a0bcd86a0bcd87a0bcd88a0bcd89a0bcd90a0bcd91a0bcd92a0bcd93a0bcd94a0bcd95a0bcd96a0bcd97a0bcd98a0bcd99a0bcd100a0bcd101a0bcd102a0bcd103a0bcd104a0bcd105a0bcd106a0bcd107a0bcd108a0bcd109a0bcd110a0bcd111a0bcd112a0bcd113a0bcd114a0bcd115a0bcd116a0bcd117a0bcd118a0bcd119a0bcd120a0bcd121a0bcd122a0bcd123a0bcd124a0bcd125a0bcd126a0bcd127a0bcd128a0bcd129a0bcd130a0bcd131a0bcd132a0bcd133a0bcd134a0bcd135a0bcd136a0bcd137a0bcd138a0bcd139a0bcd140a0bcd141a0bcd142a0bcd143a0bcd144a0bcd145a0bcd146a0bcd147a0bcd148a0bcd149a0bcd150a0bcd151a0bcd152a0bcd153a0bcd154a0bcd155a0bcd156a0bcd157a0bcd158a0bcd159a0bcd160a0bcd161a0bcd162a0bcd163a0bcd164a0bcd165a0bcd166a0bcd167a0bcd168a0bcd169a0bcd170a0bcd171a0bcd172a0bcd173a0bcd174a0bcd175a0bcd176a0bcd177a0bcd178a0bcd179a0bcd180a0bcd181a0bcd182a0bcd183a0bcd184a0bcd185a0bcd186a0bcd187a0bcd188a0bcd189a0bcd190a0bcd191a0bcd192a0bcd193a0bcd194a0bcd195a0bcd196a0bcd197a0bcd198a0bcd199a0bcd200a0bcd

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