Chlor-alkali [Daily Question] 2012.2.4 [Issue 17]
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This post was last edited by sunjl1981 on 2013-1-6 21:29. True or False questions: 1. The main components of a centrifugal pump are the shaft, pump body, packing, and bearings. () 2. “Three diligences” refer to frequent inspections, regular communication, and timely sealing of leaks. () Notes: 1. Please hide the answers when responding; edits after posting are invalid! All items that are not hidden will be deleted: For details on how to hide them, see the post at http://bbs.hcbbs.com/thread-957299-1-1.html. 2. Deadline: 22:00 the following night. 3. Please try to provide reasons when answering questions; spam is not allowed! 4. Scoring criteria: Moderators assign scores based on the accuracy of the answers; 1 wealth participation prize for completely wrong answers, and 5 wealth rewards for completely correct answers ； 3 rewards for answering 1 question correctly ； Wrong Right # hcbbs
1. The main components of a centrifugal pump are the shaft, pump casing, packing, and bearings. (Wrong) 2. “Three diligences” refer to frequent inspections, regular communication, and timely sealing of leaks. (Wrong)
The last edit to this post was made by Yino Zhang on 2012-2-4 at 09:14. 1. The main components of a centrifugal pump are the shaft, pump body, packing, and bearings. (Wrong) There is also the impeller; packing is not necessarily one of the main components – a mechanical seal may be used instead, or it could be a magnetic pump that doesn’t require any sealing. 2. “Three diligences” refer to frequent inspections, regular communication, and timely repair of leaks. (Wrong)