http://www.esafety.cn/blog/wll/66030/index.html

安全生产技术练习32

作者[孙锡云] 发表于[2012-9-8 17:58:00]

安全生产技术练习32

 

1、以下有关气瓶使用安全的叙述错误的是:___

A.永久气体气瓶的剩余压力,应不小于0.05MPa

B.严禁用温度超过50的热源对气瓶加热。

C.安放气瓶的地点周围10m范围内,不应进行有明火或可能产生火花的工作。

D.氧气瓶的操作者双手、衣服、工具上不应有油脂

标准答案:b

2、正常工作的起重机,应按有关法规的要求,由特种设备检测部门每______年进行一次检验,合格认可后方可继续使用。

A.3

B.2

C.1

D.

标准答案:b

3、起重作业应该按指挥信号和按操作规程进行。______紧急停车信号都应立即执行。

A.不论何人发出

B.只要是直接作业人员发出

C.只要是作业指挥人员发出

D.只要是领导发出

标准答案:a

4、蒸汽锅炉爆炸时,主要爆炸力来自______

A.锅筒中的饱和水

B.锅筒中的蒸汽

C.炉膛火焰

D烟道的烟气

标准答案:a

5、在气瓶安全使用要点中,以下描述正确的是______

A.为避免浪费,每次应尽量将气瓶内气体用完

B.在平地上较长距离移动气瓶,可以置于地面滚动前进

C.专瓶专用,不擅自更改气瓶钢印和颜色标记

D.关闭瓶阀时,可以用长柄螺纹扳手加紧,以防泄漏

标准答案:c

6、关于引起锅炉事故的原因,分析不当的是______

A.省煤器损坏会造成锅炉缺水而被迫停炉

B.煤灰渣熔点低、燃烧设计不当易产生锅炉结渣

C.锅炉发生水击事件时,管道常因受压骤升而被破坏

D.尾部烟道二次燃烧主要发生在燃气锅炉上

标准答案:d

7、人要进行复杂判断和认识的反应时间平均达_____s

A.13

B.35

C.510

D.1020

标准答案:b

8、人耳对_____的感觉最灵敏,对_____的感觉次之。

A.频率强度

B.强度频率

C.连续音间断音

D.间断音连续音

标准答案:a

9、体力劳动强度按I大小分为4级:其中I=2025,为( )

A.轻劳动

B.中等强度劳动

C.重强度劳动

D."很重"体力劳动

标准答案:c

10、以下不会产生辐射危害的是_____

A.煤气发生器

B.高频输出变压器

C.微波炉

D.手机

标准答案:a

 

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原创

作者[原创(游客)] 发表于[2016-9-30 12:38:22]
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原创

作者[原创(游客)] 发表于[2016-9-6 18:27:13]
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