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【Daily Question】Utilities - Civil Engineering - 20190701

2019-07-01View Original

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This post was last edited by hesonchang214 on 2019-7-6 at 11:45. In the presence of corrosive gases, in order to prevent corrosion of the inner wall of the container, when using sulfur rubber sheets as a lining, the method of lining is ( ). A. Two layers of hard rubber lining B. Two layers of soft rubber lining C. One layer of hard rubber lining followed by two layers of soft rubber lining D. Two layers of semi-hard rubber lining Answer: A

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