Engine : Motor Plants and Auxiliary Boilers - 1332/947
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| Sacrificial zinc anodes are used on the salt water side of diesel engine heat exchangers to __________. |
| A) keep heat transfer surfaces shiny and clean |
| B) reduce electrolytic action on heat exchanger metals |
| C) prevent rapid accumulation of marine growth |
| D) provide a protective coating on heat exchanger surfaces |
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