【Weekly 3 Questions, Question 24】2017.10.03

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This post was last edited by xh8618 on 2017-10-3 at 19:19; the file bg9.png was added. By replying to this post, one can see the answers to the previous question (fill-in-the-blank): Cable lines should not be laid in the ( ) direction of equipment and pipes that generate high temperatures, nor in the ( ) direction of equipment and pipes exposed to corrosive liquids. Answer: The questions for this and the previous issue are as follows: (Fill-in-the-blank) In an interlock system, if it is required that the local self-protection solenoid valve remain energized under normal conditions and lose power during self-protection, which type of contact should be used in the relay? —————————————————————————————————————————————————————————————— Scoring criteria: 2 Wealth points for incorrect attempts; 3–6 points for *incomplete* answers; 8 Wealth points for correct answers with detailed explanations; 10–15 Wealth points for correct answers along with supplementary *answers*. Please score according to these criteria. Note: If there are editing records after answering, only those who participated will be given points. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings