Wood Destroying Organism (WDO) Home Inspection 2025 – 400 Free Practice Questions to Pass the Exam

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The movement of a liquid pesticide mixture back through the filling hose and into the water source is referred to as what?

A) Back-siphoning

The movement of a liquid pesticide mixture back through the filling hose and into the water source is known as back-siphoning. This term specifically describes a situation where negative pressure in a hose causes liquid to flow back into the source from which it came. It is a significant concern in pest control and other agricultural applications because it poses risks of contaminating water supplies with harmful chemicals.

Back-siphoning can occur when there's a sudden drop in pressure, such as when a hose is submerged in a tank or when the filling hose is left uncovered. Proper safety measures, such as using vacuum breakers or backflow prevention devices, are essential to prevent this occurrence.

By understanding back-siphoning, professionals in the field can implement the necessary precautions to ensure that pesticide mixtures do not inadvertently contaminate clean water sources, thus safeguarding public health and the environment.

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B) Back-flooding

C) Back-drafting

D) Backflow

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