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【单选题】
电焊工人在焊接时,要戴上防护眼罩,这主要是为了
[ ]
A.
防止火星溅到眼睛上把眼睛烫伤
B.
防止紫外线对人眼的伤害
C.
防止红外线对人眼的伤害
D.
为了使眼睛能够看到焊接点上发出的光
题目标签:
防护眼罩
电焊工
眼罩
举报
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参考解析:
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【填空题】取用();();();()等具有挥发性的试剂时,操作应在通风柜进行,操作者尽可能带上防护眼罩和手套,操作后应立即洗手。
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【简答题】I went to a group activity, “Sensitivity Sunday”, which was to make us more ____36____ the problems faced by disabled people. We were asked to “____37____ a disability” for several hours one Sunday. S...
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【单选题】眼罩可以比较有效改善的黑眼圈类型是()。
A.
色素型黑眼圈
B.
结构型黑眼圈
C.
血管型黑眼圈
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【单选题】电焊工人在焊接时戴上防护眼罩的目的是( )
A.
防紫外线对人的眼睛和面部皮肤造成伤害
B.
防焊接时迸出的火花烫伤面部
C.
防焊接时发出的气体对人体造成伤害
D.
防焊接时发出的气体对眼睛的刺激
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A.
正确
B.
错误
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【单选题】电焊工下列哪些操作属于违章作业?()
A.
转移工作地点时,在切断电焊机电源情况下移动焊机
B.
切断电源后检查电焊机的故障
C.
带电改接电焊机接头
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【简答题】I went to a group activity, “Sensitivity Sunday”, which was to make us more ____36____ the problems faced by disabled people. We were asked to “____37____ a disability” for several hours one Sunday. S...
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【多选题】电焊工常用的辅助工具包括()等。
A.
焊条保温筒
B.
尖头锒头
C.
钢丝刷
D.
凿子
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【判断题】电焊工从事电梯安装作业时,要有操作证和动火证。
A.
正确
B.
错误
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