[Phase 1 of Time-Limited Quick Response Contest] 057 [Completed]
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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 within parentheses); see the diagram 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 comments on floor 2 or 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: 057. The pipe butt joints should be aligned so that their inner walls are level; the misalignment of the inner walls of steel pipes should not exceed (********), and it must also satisfy (******). Standard answer: More than 10% of the wall thickness; not more than 2 mm. Winner: lxsylb. This post was last edited by hutom123 on 2009-3-24 at 19:53
The butt joints of pipes should be aligned so that their inner walls are level; the misalignment of the inner walls of steel pipes should not exceed 10% of the wall thickness, and it should also not be greater than 2 mm.
The correct answer is that the butt joints of the pipes should have their inner walls aligned with each other; the misalignment of the inner walls of steel pipes should not exceed 10% of the wall thickness, and it should also not be greater than 2 mm.
More than 10% of the wall thickness: handshake should not be greater than 2 mm