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For the following pairs of alloys that are coupled in seawater, predict the possibility of corrosion; if corrosion is probable, note which metal/alloy will corrode. a) Aluminum and cast iron b) Inconel and nickel c) Cadium and zinc d) Brass and titanium e) Low-carbon steel and copper

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Answer:

The correct option is E

Explanation:

Galvanic Series; The nobility of the metal and the nonmetal is expressed in the galvanic series table. In galvanic series, when the list goes downward, the metal will corrode fast than the metals who comes first. Low carbon steel is more active material than the copper so when the pair of low carbon steel and the copper are coupled in the sea water the metal will corrode.

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