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采煤機停止工作或者檢修時,必須切斷采煤機前級供電開關電源并斷開其隔離開關,斷開采煤機(),打開截割部離合器。 (單選題)

作者:煤礦安全網 2022-05-26 14:41 來源:煤礦安全網 采煤機 開關 電源 截割部 離合器 單選題
題目信息:

  采煤機停止工作或者檢修時,必須切斷采煤機前級供電開關電源并斷開其隔離開關,斷開采煤機(),打開截割部離合器。 (單選題)

  A.離合器

  B.隔離開關

  C.閉鎖裝置

  D.電源開關

答案

煤礦安全網(http://www.nanibalconysafetynets.com)

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