【Daily Question】Production, Storage, and Transportation – 20190628
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This post was last edited by Yu Qin on 2019-6-29 08:36. It’s part of the Daily Question section in the Production, Storage, and Transportation forum; answering it correctly earns 5 wealth points； Effective participation grants 2 units of wealth ； Extra points will be given to those who provide a reasonable explanation first. Multiple-choice question: Which of the following statements is incorrect? A. In compacting coal for coking, coals with low cohesion can be used more frequently to produce coke for blast furnaces. B. Proper selection and crushing of coal helps to avoid breaking down the inert minerals, thus preventing the coal from becoming weaker in quality. C. Dry quenching of coke makes use of inert gases to cool the coke. D. Drying the coal before loading it into the furnace can reduce the coking time. B. Proper selection and crushing of coal helps to avoid breaking down the inert minerals, thus preventing the coal from becoming weaker in quality
B. The selective crushing of coal prevents the inert minerals from being ground too finely, thus avoiding coal dilution
B. The selective crushing of coal can prevent inert minerals from being ground too finely, thus avoiding coal dilution