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English Translations » 【公用配套及基建圈】 » 【Daily Question】Utilities - Mechanical & Electrical - 201909

【Daily Question】Utilities - Mechanical & Electrical - 20190907

2019-09-07View Original

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This post was last edited by hesonchang214 on 2019-9-8 at 16:47. The national standards specify that for the reliability of control cabinets, the number of failures during start-up and shutdown operations should not exceed ( ) times; the repair time for each failure should not exceed ( ) hours. A、40000 ； 5 ； 1 B, 50000 ； 5 ； 1　　　C, 60000 ； 5 ； 1 　 D、60000 ； 4 ； 0.5 Answer: C
Reply #22019-09-07
D、60000； 4 ； 0.5
Reply #32019-09-07
B、50000； 5 ； 1　
Reply #42019-09-07
C、60000； 5 ； 1
Reply #52019-09-07
C、60000； 5 ； 1
Reply #62019-09-07
C、60000； 5 ； 1

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Translated at 2026-07-23 10:45:15

Original: https://bbs.hcbbs.com/thread-2777495-1-1.html

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