【单选题】
《一级工作票》由 （ ）签发___
A. 班组技术员
B. 技术专工
C. 工作部门负责人
D. 班组长
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答案
C
解析
暂无解析
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【单选题】
工作任务不能按批准期限完成时，工作负责人应在计划结束时间（ ）前向工作许可人提出申请，由工作许可人向调度门办理延期手续，在没有批准以前，不得擅自延长工作时间。___
A. 两个小时
B. 一个小时
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【单选题】
运行中的管道焊接前应进行壁厚检测，严禁在压力不稳或压力大于管道壁厚允许压力（ ）倍的情况下进行带压焊接作业，否则应采取稳压或降压措施。___
A. 0.4
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对于采用氮气或其它惰性气体对可燃气体进行置换后的密闭空间，作业前应进行含氧量检测，检测的时间不得早于作业开始前（ ）分钟，如长时间工作，工作人员应定时轮换或休息。___
A. 10
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【单选题】
固定式配电箱、开关箱底部与地面的垂直距离应大于( )，小于( )。___
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【单选题】
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不准在带有压力（液体压力或气体压力）或带电的设备上进行焊接、气割；在特殊情况下必须在带压和带电设备上进行焊接、气割时，应采取安全措施，并经（ ）批准。___
A. 主管生产的领导
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【单选题】
不间断电源（UPS）进行拆卸作业前，应先断电，在相应隔离开关上悬挂禁止操作牌，并静置（ ）分钟以上，待主机电容放电完成后方可进行___
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C. Well, seafood don’t suit.
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A. Great, I am very art-conscious.
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A. I didn't go to school.
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Good morning, may I speak to Mark, please?___
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