Question 3014 of 401 · Texas Pesticide Applicator General Standards Exam
What device prevents pesticide from flowing back into a water supply while filling a sprayer?
Exactly one answer is correct.
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Correct answer to question 3014
- A: An air gap or a backflow prevention valve
Explanation
An air gap between the hose and tank or an approved check valve prevents siphoning. Strainers and regulators serve other purposes.
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