【Daily Question No. 026】2018.01.26

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【Daily Question No. 026】January 26, 2018: Among the following options, ( ) does not belong to low-voltage electrical appliances. A. Knife switch B. 6KV transformer C. Contactor D. Control device. B. Due to the limitations on the number of entries in the “One question per day” section, the “One image per day” content has been moved to the registered equipment section; you can access it through the directory I posted. Due to management requirements, if you need to view content from several days ago, please access it through the summary thread below. 2018 Chemical Engineering Technology Training – Daily Questions Collection: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888971
2018 Registered Equipment Section – Daily Images Collection: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888970
2018 Hydrogen Production and Hydrogenation Technology Section – Q&A Collection: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888968
2018 LNG Technology Discussion Section – Daily Questions Collection: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888973
2017 Q&A Collection (updates have started): https://bbs.hcbbs.com/thread-1657793-1-1.html
2017 Daily Questions Collection (updates have started): https://bbs.hcbbs.com/thread-1657794-1-1.html
2017 Daily Images Collection: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1875160
2017 LNG Section – Daily Questions List: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1804162
2016 Q&A Collection (all updates completed): https://bbs.hcbbs.com/thread-1597792-1-1.html