Question 6004 of 401 · Texas Pesticide Applicator General Standards Exam
What is the main benefit of a diaphragm pump when spraying chemicals that are corrosive or abrasive?
Exactly one answer is correct.
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Correct answer to question 6004
- B: Only the diaphragm and valves touch the pesticide, not the drive
Explanation
In a diaphragm pump the drive parts are separated from the liquid by a flexible membrane, which protects them from wear and corrosion. Diaphragm pumps still need pressure regulation.
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