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Exam (elaborations)

Cross-Connection Control – AWWA Certification Review Set 2 – Definitions, Installation Specs, and Accurate Answers

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This document offers a second complete set of cross-connection control questions and verified answers designed for AWWA certification exam prep. It includes technical definitions of backflow, backpressure, and backsiphonage, alongside installation requirements for AVBs and PVBs, device comparisons (RPZ, DCVA), pressure thresholds, and air gap sizing. Also included are examples of hazardous chemicals, reclaimed water use, and real-world cross-connection risks such as flush valves, lab sinks, and agricultural tanks. This is a highly practical review guide for those in water safety, plumbing inspection, or utility operations.

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Institution
Backflow Certification
Course
Backflow certification

Content preview

Cross-Connection Control questions with accurate
answers
Backflow Ans✓✓✓ The reverse flow of water back into any a potable
water system.


Backpressure Ans✓✓✓ Condition where a system has higher pressure
than potable water system that is cross-connected to it


Backsiphonage Ans✓✓✓ Condition where foreign material is drawn
into water system due to system pressure being less than atmospheric
pressure


Can Double check valve assemblies be connected to health hazard cross-
connection situations? Ans✓✓✓ No


Cross-Connection Ans✓✓✓ Any connection between potable water
system and another fluid system through which contamination can occur


Double Check Valve Assemblies Ans✓✓✓ Two check valves just like
RPZ except no Relief valve.


How high above highest point of downstream outlet are (Atmospheric
Vacuum Breakers (AVB) installed? (inches) Ans✓✓✓ 6 inches


How high are Pressure Vacuum Breakers (PVB) installed above highest
point of downstream outlet? (inches) Ans✓✓✓ 12 inches
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Institution
Backflow certification
Course
Backflow certification

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Uploaded on
July 26, 2025
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • cross connection control awwa certification revi
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