【判断题】
起重设备瓷质组件吊装时应使用不危及瓷质安全的吊索,例如钢丝绳等
A. 对
B. 错
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答案
B
解析
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操作人员应按照指挥人员的信号进行作业,当信号不清或时,操作人员可拒绝执行
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焊接与切割设备应按制造厂提供的操作说明书和安全规程使用
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电焊导线不得靠近热源,且禁止接触钢丝绳或转动机械
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当消除焊缝焊渣时,可以不戴防护眼镜,头部应避开敲击焊渣飞溅方向
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禁止与所装气体混合后能引起燃烧、爆炸的气瓶一起存放
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动火作业现场的通排风应良好,以保证泄漏的气体能顺畅排走
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风力达四级以上的露天作业禁止动火
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加强夏季防火管理,易燃易爆品应集中存放
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铁塔、构架、避雷针、避雷线一经安装应接地
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禁止起重臂跨越电力线进行作业
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起重机行驶和作业的场地应保持平坦坚实,机身倾斜度不得超过制造厂的规定,其车轮、支腿或履带的前端、外侧与沟、坑边缘的距离不得小于沟、坑深度的1.5倍
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施工现场应消除对机械作业有妨碍或不安全的因素。夜间作业应设置充足的照明
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泵机运转时,不应将手或铁锹伸入料斗或用手抓握分配阀。当需在料斗或分配阀上作业时,应先关闭电动机,并消除蓄能器压力
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混凝土切割时应注意力的变化,防止卡锯片等
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混凝土切割作业中,当工件发生冲击、跳动及异常音响时,应立即停机检查,排除故障后,方可继续作业
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切断机切低合金钢等特种钢筋时,应使用中硬度刀片
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切断机旁应设放料台,机械运转中允许用手直接清除切刀附近的断头和杂物
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使用电动扳手时,应将反力矩支点靠牢并确实扣好螺帽后方可开动
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电动机具的操作开关应置于操作人员伸手可及的部位。当休息、下班或作业中突然停电时,应切断电源侧开关
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使用可携式或移动式电动工具时,应戴绝缘手套或站在绝缘垫上;移动工具时,不得提着电线或工具的转动部分
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