Class C Drinking Water Practice Test, Categorized – Each ...

Class C Drinking Water Practice Test, Categorized – Each worth 1.333 pts. Corrosion Control _____ of 11 questions. 1. Aluminum, zinc and magnesium are often used as anodes to prevent corrosion to other metals. Where does aluminum, zinc and magnesium place in the galvanic series? A. As the least active metals ................
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