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Exam (elaborations)

Backflow Multiple Choice Test #1 Questions and Correct Answers

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Backflow Multiple Choice Test #1 Questions and Correct Answers

Institution
Backflow Certification
Course
Backflow certification

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Backflow Multiple Choice Test #1
Questions and Correct Answers
WhichIItypeIIofIIbackflowIIpreventerIIisIImostIIreliableII-II<CORRECTIIANSWERII>>AirIIgap


WhatIIisIItheIImaximumIIpressureIIdropIIaIIlittleIIthroughIIaIIdoubleIIcheckIInowIIassemblyII-
II<CORRECTIIANSWERII>>10IIpsi




ToIIbreakIItheIIback-siphonageIIactionIItheIIbestIIapproachIIisII-
II<CORRECTIIANSWERII>>IntroduceIIairIIintoIItheIIsystem




TheIImaximumIIheightIIthatIIwaterIIcanIIbeIIdrawnIIaboveIIaIIfreeIIwaterIIsurfaceIIbyIIback-
siphoangeIIisII-II<CORRECTIIANSWERII>>34IIfeet


WatermainIIpressureIIisIIdrasticallyIIreducedIItoIIaIIreduceIIpressureIIprincipalIIbackflowIIpreventerIIth
eIIreliefIIvalveIIshouldII-II<CORRECTIIANSWERII>>AlwaysIIopenIItoIIdischargeIItheIIwaterIIinIItheIIzone


InIIapprovedIIErrgottIImustIIhaveIIatIIleastII__________ofIIfreeIIairIIspaceII-
II<CORRECTIIANSWERII>>AIIminimumIIofIItwoIIpipeIIdiameterIIofIItheIIsupplyIIpipeIIorII6IIinchesIIwhichII

everIIisIIlesser


WhatIIisIItheIImostIIimportantIIstepIIbeforeIIinstallingIIbackflowIIpreventionIIassembliesIIinIInewIIorIIex
istingIIlinesII-
II<CORRECTIIANSWERII>>PlayIIplanesIIwillIIbeIIflushedIIallIIchipsIIscaleIIandIIforeignIImatter




AIIparallelIIside-by-sideIIbackflowIIpreventionIIassemblyIIinstallationIIasIIdesiredIIinIIorderIItoII-
II<CORRECTIIANSWERII>>AllowIIforIItestingIIandIImaintenance




WhenIItestingIIanIIRPIItheIIreliefIIofIIdischargesIIatIItheIInumberIItoIIshutIIoffIIvalveIIisIIclosedIItheIIproble
mIIisII-II<CORRECTIIANSWERII>>AIIfaultyIInumberIIoneIIcheckIIvalve
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Backflow certification
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Backflow certification

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Uploaded on
November 19, 2025
Number of pages
4
Written in
2025/2026
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Questions & answers

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  • backflow multiple choice test 1 questions and cor
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