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Unit 5. Backflow Prevention - Test Your Knowledge QUESTIONS AND CORRECT ANSWERS GRADED A+ 2024/2025 $11.49   Add to cart

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Unit 5. Backflow Prevention - Test Your Knowledge QUESTIONS AND CORRECT ANSWERS GRADED A+ 2024/2025

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Unit 5. Backflow Prevention - Test Your Knowledge QUESTIONS AND CORRECT ANSWERS GRADED A+ 2024/2025

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  • September 4, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • backflow prevention
  • BACKFLOW PREVENTION
  • BACKFLOW PREVENTION
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Unit 5. Backflow Prevention - Test Your
Knowledge

Define and in short provide an explanation for "backflow." - ANSThe motion of a liquid in
reverse of the ordinary course of drift in a piping machine. Backflow can also occur in the
injection line, inflicting the pesticide tank to overflow. Backflow results from either
backsiphonage or backpressure.

Why is backflow prevention so crucial? - ANSTo shield water resources from pollutants.
Backflow prevention is a critical part of secure and powerful chemigation.

Define "backsiphonage" and call some commonplace reasons. - ANSA vacuum as a result
of decreased pressure in a supply line to a piping gadget. This vacuum causes a siphoning
movement. Common causes are:


1. High liquid speed in pipelines.


2. A line break or restore this is lower than a service factor.


Three. Lowered main pressure due to a excessive charge of water withdrawal (ex. Fireplace
preventing).


Four. Reduced deliver stress at the suction facet of the booster pump.

Define "backpressure" and name some not unusual causes. - ANSA difference in stress
while a deliver line is attached to a excessive-strain device. If the device exceeds the
running strain of the supply pipes, backpressure can end result. Common causes are:


1. Booster pumps.


2. Connections to boilers.


Three. Cross connections with any other device running at a better pressure.


Four. Elevated piping.

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