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[Daily Question] Basic Process Knowledge (Multiple Choice) 20200304

2020-03-04View Original

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This post was last edited by Qingse Nianhua on 2020-3-4 08:05. Dew point corrosion of the convection tubes in heating furnaces occurs when the temperature of the outer surface of the heat exchange surface is lower than the dew point temperature of the flue gas, resulting in the formation of () dew drops that cause corrosion. A. Sulfuric acid B. Hydrochloric acid C. Nitric acid D. Carbonic acid Answer: C

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