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Rules: 1. If you want to answer immediately, give a score of +1 wealth to Floor 1 and write your answer in the “Reason for action” field (only the content inside the parentheses); see the image below for details. 2. One “*” represents 1 Chinese character (or 1 digit), and the answer must match exactly to be considered correct. 3. The first person to answer correctly will receive +10 wealth points; please reply in the replies on floor 2 and below to claim the reward ; 4. The scope of questions covers the commonly used standards and experience manuals for the process and piping fields ; 5. The difficulty level of the questions increases from easy to difficult. 6. Lower-grade students are welcome to participate actively. Question for this issue: 062. In areas prone to explosions (*********), the load-bearing steel frames, supports, and pedestals of combustible medium equipment with a total weight of 25 tons or more shall be covered with a fire-resistant layer. Standard answer: The height-to-diameter ratio is equal to or greater than 8. Winner: Wei Xiaobao. This post was last edited by hutom123 on 2009-3-28 at 20:07.]
The load-bearing steel frames, supports, and pedestals of non-flammable medium equipment located within explosion-hazardous areas (with a height-to-diameter ratio of 8 or greater) and having a total weight of 25 tons or more shall be covered with a fire-resistant layer.