搜题

下列选项中,直接引起坠落的客观危险元素有( )。

江苏省A证(企业负责人) 2023-09-15

A.阵风风力五级(风速8.0M/S)以上
B.平均气温等于或低于10℃的作业环境
C.接触冷水温度等于或低于15℃的作业
D.可能会引起各种灾害事故的作业环境
E.存在有毒气体或空气中含氧量低于0.195的作业环境

参考答案:ADE

通常有11种能直接引起坠落的客观危险因素:(1)阵风风力5级(风速8.0m/s)及其以上。(2)《高温作业分级》(G
B./T4200)规定的II级或II级以上的高温作业。(3)平均气温等于或低于5℃的作业环境。(4)接触冷水温度等于或低于12℃的作业。(5)作业场地有冰、雪、霜、水、油等易滑物。(6)作业场所光线不足,能见度差。(7)作业活动范围与危险电压带电体的距离小于表5一1的规定。(8)摆动,立足处不是平面或只有很小的平面,即任一边小于500mm的矩形平面、直径小于500mm的圆形平面或具有类似尺寸的其他形状的平面,致使作业者无法维持正常姿势。(9)《体力劳动强度分级》(G
B.3869)规定的班级或班级以上的体力劳动强度。(10)存在有毒气体或空气中含氧量低于0.195的作业环境。(11)可能会引起各种灾害事故的作业环境和抢救突然发生的各种灾害事故。

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