【Daily Question】Sulfur Technical Edition, July 20, 2017
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To increase the popularity of this section, a daily quiz campaign has been launched. The purpose of this campaign 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: For questions from the same day, full feedback will be given if answered on the same day; answering the next day earns 5-8 wealth points. This post is valid for 48 hours. Multiple-choice question: The temperature of the circulating water entering the device generally does not fall below ( ). A. 40℃ B. 30℃ C. Temperature of domestic water D. Air temperature. Answer: D. Petrochemical industry – New ideas for energy savings: an innovative brainstorming activity (the second phase is currently in progress). http://bbs.hcbbs.com/thread-1666758-1-1.html. In 2017, in the field of coal chemical industry: “My technical improvements”. http://bbs.hcbbs.com/thread-1786290-1-1.html
The temperature of the circulating water inlet device generally does not fall below ( D ). A、 40℃ B、 30℃ C、 Temperature of domestic water D、 Air temperature
This post was last edited by Peng Zuosen on 2017-7-20 at 12:05. D
I chose the fourth one because it is air-cooled