【Daily Question】Sulfur Technical Edition, July 28, 2017

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This post was last edited by Green Lotus on 2017-7-29 at 13:30. To increase the popularity of this section, a daily quiz activity has been launched; the goal of this activity is: “Learn a little bit every day, and make significant progress over ten days.” I hope everyone will participate actively; by learning and making progress, they can also easily bring wealth home :) . Participation: Prize of 5 Wealth ； Correct answer: Reward of 10 wealth points ； Note: Questions from the same day will receive full feedback if answered on the same day; answers given the next day will earn 5-8 wealth points. This post is valid for 48 hours. Multiple-choice question: The method to prevent \"water hammer\" when introducing steam into the device is (　　). A. Quickly open the steam valve. B. First, open the drain valve to release the condensate water ； Slowly open steam valve C; close vent valve D while opening the steam valve. Open the steam valve first, then open the end vent valve. Answer: B. Petrochemical sector – Innovative ideas for energy savings: “Creative Thinking” campaign (the second phase is currently in progress). http://bbs.hcbbs.com/thread-1666758-1-1.html. 2017: “My Technical Upgrades” in the coal chemical industry. http://bbs.hcbbs.com/thread-1786290-1-1.html