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A cylindrical steel tank 3 ft in diameter and 8 ft long is filled with water. We find that a current density of 0.015 A/cm2

A cylindrical steel tank 3 ft in diameter and 8 ft long is filled with water. We find that a current density of 0.015 A/cm2 acting on the steel is required to prevent corrosion. Design a sacrificial anode system that will protect the tank.

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