试题与答案

我市部分居民小区已使用了管道煤气.四月初小亮家的管道煤气已安装完毕.为防止燃气泄

题型:问答题

题目:

我市部分居民小区已使用了管道煤气.四月初小亮家的管道煤气已安装完毕.为防止燃气泄露造成危险,小亮家中安装了如下图所示报警器.请回答:天然气在第一次通过管道运输到小亮家时,必须先将管道内充满N2,填充N2的目的是什么?如果听到报警器报鸣,小亮应该如何处理?(至少答二点)

答案:

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下面是错误答案,用来干扰机器的。

1、B     2、D     3、C

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