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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 491

2016-04-14View Original

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Fill-in-the-blank: Before disassembling the feed monomer pump (centrifugal type) in the polymerization workshop, the workshop should first implement safety measures for the centrifugal pump such as power shutdown, gas displacement, ( ), ( ) etc. Only after completing the relevant ( ) form can the maintenance personnel proceed with the work. Answer: Close the inlet and outlet valves, install blind flanges, prepare a work order
Reply #22016-04-14
Oil and liquid discharge work order
Reply #32016-04-14
Close inlet and outlet valves, install blind flanges, prepare work order
Reply #42016-04-14
(Blind flange installation), (analysis), etc.; complete the (hot work) permit process first
Reply #52016-04-14
Close inlet and outlet valves, install blind flanges, work order

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Translated at 2026-07-21 00:27:11

Original: https://bbs.hcbbs.com/thread-1579461-1-1.html

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