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← HistoryWhich outcome results when a wooden sailing ship utilizes sacrificial anodes?
A)Reduced galvanic corrosion rate✓
B)Increased magnetic compass error
C)Decreased hull structural elasticity
D)Elevated risk of dry rot spreads
💡 Explanation
Using sacrificial anodes near dissimilar metals causes a reduction in localized electrochemical gradients and galvanic corrosion, because the anodes preferentially corrode; therefore the hull is protected rather than corroding, while introducing magnetic interference or preventing biological decay would require different mechanisms.
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