Question 6021 of 398 · Ohio Pesticide Applicator Core Exam
Which device on a chemigation system automatically shuts down the chemical injection pump when the irrigation pump stops?
Exactly one answer is correct.
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Correct answer to question 6021
- C: An interlock between the injection pump and the irrigation pump motor
Explanation
An interlock prevents the injection pump from running when no irrigation water is flowing, which would otherwise deliver chemical into a pipeline or to one spot. It is part of required chemigation safety equipment on most labels.
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