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

安全生产技术练习31

作者[孙锡云] 发表于[2012-9-8 17:56:00]

安全生产技术练习31

 

1、乙烷的燃烧反应式是:C2H6+3.502=2C02+2H20按经验公式:

100

L=  _____

4.76(N-1)+1

 

4×100

L=_____

4.76N+4

则乙烷在空气中的爆炸下限是____和上限是____

A.3.38% 10.7%

B.4.92% 5.67%

C.5.86% 9.64%

D.2.16% 17.46%

标准答案:a

2、民用爆破器材、烟花爆竹生产厂房应多门、多安全窗。最远工作点至安全出口的距离,按其危险等级分别不应超过58。厂房主要通道宽度不应少于______米。

A.1.0

B.1.1

C.1.2

D.2.0

标准答案:c

3、烟花爆竹生产过程中,装、筑高感度烟火药时,每间工房定员____人,装、筑不含高感度烟火药时,每间工房定员____人。

A1;4

B2;4

C1;2

D2;2

标准答案:c

4、安全阀是锅炉上的重要安全附件之一,它对锅炉______极限值的控制及对锅炉的安全保护起着重要的作用。

A.介质成分

B.内部温度

C.内部压力

D.介质流量

标准答案:c

解析:P101

5、锅炉排污的目的是_____

A.降压

B.降低水位

C.降低锅水杂质含量

D.改变锅水的饱和度

标准答案:c

6、压力表是指示压力容器内介质压力的仪表,是压力容器的重要安全装置。液柱式压力计一般用于测量______压力。

A.超高

B.

C.

D.

标准答案:d

7、锅炉必须装有与锅筒(锅壳)蒸汽空间直接相连接的压力表;根据工作压力选用压力表的量程范围,一般应在工作压力的_____倍。表盘直径不应小于_____mm,表的刻盘上应划有最高工作压力红线标志。

A.12;100

B.1.53;50

C.1.53;100

D.23;150

标准答案:c

8、压力容器的最高工作压力,对于承受内压的压力容器,是指压力容器在正常使用过程中,______可能出现的最高压力

A.容器底部

B.容器顶部

C.容器筒身

D.容器受压元件

标准答案:b

9、爆破帽是压力容器安全附件的一种,爆破帽为中间具有一薄弱断面的厚壁短管,破压力误差较小,泄放面积较小,多用于______容器。

A.高压

B.超高压

C.中压

D.低压

标准答案:b

10、永久气体向气瓶内充气,速度不得大于__m3/h(标准状态气体)且充装时间不应少于__min。。

A4;60

B4;30

C8;60

D8;30

标准答案:d

 

Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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原创

作者[原创(游客)] 发表于[2016-9-30 12:38:23]
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原创

作者[原创(游客)] 发表于[2016-9-28 18:02:03]
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原创

作者[原创(游客)] 发表于[2016-9-6 18:27:14]
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