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Exam (elaborations)

WATER DISTRIBUTION GRADE IV - PRACTICE EXAM 3 QUESTIONS WITH CORRECT ANSWERS 2025

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WATER DISTRIBUTION GRADE IV - PRACTICE EXAM 3 QUESTIONS WITH CORRECT ANSWERS 2025

Institution
WATER DISTRIBUTION D1 AND D2 CALIFORNIA
Course
WATER DISTRIBUTION D1 AND D2 CALIFORNIA









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Written for

Institution
WATER DISTRIBUTION D1 AND D2 CALIFORNIA
Course
WATER DISTRIBUTION D1 AND D2 CALIFORNIA

Document information

Uploaded on
February 7, 2025
Number of pages
5
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • water distribution grade iv practice exam 3 ques

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WATER DISTRIBUTION GRADE IV - PRACTICE EXAM
3 QUESTIONS WITH CORRECT ANSWERS 2025
ARcoupleRtestRinRaRdistributionRsystemRisRusedRtoR(choseRbestRanswer)R-RCORRECTRANSWERR-
DetermineRscalingRorRcorrosionRrate



Normally,RsurfaceRwaterR&RgroundwaterRhaveRaRpHRrangeRofR-RCORRECTRANSWERR-6.8RtoR8.5



AR"competentRperson"RmustRinsectRexcavationR&RadjacentRareasRforRhazardsR-RCORRECTRANSWERR-
Daily,RpriorRtoRtheRstartRorRwork,RandRasRneededRthroughoutRtheRshift



ModeratelyRhardRhasRaRrangeRofR___________Rmg/LRasRcalciumRcarbonateR-RCORRECTRANSWERR-
61RtoR120



CommonRremovalRmethodRforRhydrogenRsulfideRfromRwaterR-RCORRECTRANSWERR-Aeration



LeadRinRdrinkingRwaterRcanRresultRinR-RCORRECTRANSWERR-ImpairedRmentalRfunctioningRinRchildren



PumpRperformanceRcurveRreflectR-RCORRECTRANSWERR-PumpRhorsepower



AccordingRtoRtheRAWWARwhatRflowRrateRcouldRbeRexpectedRfroRaR"Red"RfireRhydrant?R-
RCORRECTRANSWERR-0RGPMR-R500RGPM




ARwharfRhydrantRnozzleRisR-RCORRECTRANSWERR-2"



ARnoisyR&RvibratingRgateRvalveRindicatesR-RCORRECTRANSWERR-Cavitation



DifferenceRbetweenRTierR1RandRTierR2RviolationsRisR-RCORRECTRANSWERR-
TierR1RviolationsRpotentiallyRimposeRdirectR&RadverseRhealthReffects;RTierR2Rdon't



DeviseRusedRtoRmeasureRdistributionRsystemRflowR-RCORRECTRANSWERR-PitotRgauge

, ChemicalR(s)RinRwaterRsuppliesRthatRcanRbeRharmfulRtoRaRperson'sRhealthRwhenRpresentRinRexcessRofRdrinki
ngRwaterRstandardsR-RCORRECTRANSWERR-Mercury



Pathogenic,RwaterRsystem,RorganismsRcausingRdiseaseRoutbreakR-RCORRECTRANSWERR-Giardia



TestRkitRusedRtoRdetermineRchlorineRresidualsR-RCORRECTRANSWERR-DPD



WhichRcolorRofRfineRhydrantRwouldRyouRexpectRtoRprovideRtheRbestRflow?R-RCORRECTRANSWERR-Blue



TheRaccuracyRforRlargeRwaterRmetersRisR-RCORRECTRANSWERR-100R±R3%



TheRspoilRbileRinRaRtrenchRlessRthanR4RftRshouldRbeRplacedR-RCORRECTRANSWERR-
AtRleastR2RftRfromRtheRtrench



MaximumRspringRforRtrenchRuprightsRisR-RCORRECTRANSWERR-8Rft



WaterRdistributionRsystemRsurveillanceRprogramsRincludeR-RCORRECTRANSWERR-StormRDamage



TheRmaximumRconcentrationRofRchlorineRthatRoperatorsRshouldRbeRexposedRtoRisR-RCORRECTRANSWERR-
1RPPM



TheRminimumRnumberRofRsamplesRinRaRrepeatRsampleRsetRofRcoliformRisR-RCORRECTRANSWERR-3



PrimaryRdrinkingRwaterRregulationsRrequireReachRpublicRwaterRsystemRtoRmaintainRrecordsRofR-
RCORRECTRANSWERR-ActionsRtakenRtoRcorrectRviolations




InformationRshownRonRcomprehensiveRmapsR-RCORRECTRANSWERR-Hydrants,RWells,RValvesR&RReservoirs



ARtearRoneRviolationRmustRbeRreportedRtoRtheRDHSRwithinR-RCORRECTRANSWERR-24Rhours
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