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Exam (elaborations)

Backflow Troubleshooting Quiz with Correct Answers.

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Backflow Troubleshooting Quiz with Correct Answers.

Institution
Backflow Certification
Course
Backflow certification

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Backflow Troubleshooting Quiz with
Correct Answers
WhileIIfieldIItestingIItheIIcheckIIvalveIIofIIaIIpressureIIvacuumIIbreaker,IIwaterIIcontinuesIItoIIflowIIfrom
IItheII#II2IItestIIcockII.IIHowIIdoIIyouIIproceedII?II-

II<CORRECTIIANSWERII>>OpenIItheIIbleedIIoffIIvalveIIuntilIItheIIflowIIslowsIItoIIaIIslightIIdrip.




WellIIfieldIItestingIItheIIfirstIIcheckIIvalveIIofIIaIIdoubleIIcheckIIvalveIIassembly,IIwaterIIcontinuesIItoIIflo
wIIfromIItheIIsiteIItube.IIHowIIdoIIyouIIproceed?II-
II<CORRECTIIANSWERII>>ObserveIIreadingIIonIIgaugeII(firstIIstep).IIOpenIIhighIIsideIIofIIbleedIIvalveII(se

condIIstep).


WhileIIfieldIItestingIItheIIcheckIIvalveIIofIIaIIspillIIresistantIIpressureIIvacuumIIbreaker,IIwaterIIcontinue
sIItoIIflowIIfromIItheIIventIIvalve.IIWhatIIdoesIIthisIIimply?II-
II<CORRECTIIANSWERII>>NumberII1IIshutIIoffIIvalveIIisIIleaking.




WhileIIfieldIItestingIItheIIdifferentialIIpressureIIreliefIIvalveIIopeningIIpointIIofIIRP,IIitIIisIIfoundIIthatIItheI
IshutII-

IIoffIIvalveII#II2IIisIIleakingII.IIHowIIshouldIItheIItemporaryIIbypassIIhoseIIbeIIconnectedIItoIIcompensateIIf

orIItheIIleak?II-II<CORRECTIIANSWERII>>TestIIcockII#II1IItoIItestIIcockII#II4


WhileIIfieldIItestingIItheIIsecondIIcheckIIvalveIIofIIaIIreducedIIpressureIIprincipleIIassembly,IIhighIIsideII
pressureIIisIIappliedIIthroughIItestIIcockII#II4IIandIItheIIgageIIreadingIIbeginsIItoIIincrease.IIHowIIdoIIyouII
proceed?II-II<CORRECTIIANSWERII>>CloseIItheII#II2IItestIIcock.


WhileIIfieldIItestingIItheIIdifferentialIIpressureIIreliefIIvalveIIopeningIIpointIIofIIanIIRP,IItheIIhighIIsideIIco
ntrolIIneedleIIvalveIIisIIopen,IIandIItheIIlowIIsideIIcontrolIIneedleIIvalveIIisIIopenII1/4IIturn,IIhoweverIIthe
IIreadingIIonIItheIIgaugeIIwillIInotIIlowerIItoIItheIIreliefIIvalveIIopeningIIpoint.IIWhatIIdoesIIthisIIimply?II-

II<CORRECTIIANSWERII>>NumberII2IIshutIIoffIIvalveIIisIIleaking




WhatIIareIIacceptableIIfieldIItestIIreadingsIIforIIaIIproperlyIIoperatingIIdoubleIIcheckIIvalveIIassembly?II
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Uploaded on
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Number of pages
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Written in
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