试题与答案

FDZB-1A型风电瓦斯闭锁装置在井下工作的最初几天要经常检查,以后可以定期检查。主

题型:多项选择题

题目:

FDZB-1A型风电瓦斯闭锁装置在井下工作的最初几天要经常检查,以后可以定期检查。主要检查内容有()。

A、向瓦斯传感器供电的本安电源输出是否正常

B、检查主机循环显示是否正常,显示值是否与瓦斯传感器一致

C、是否出现声光报警,检查出现的原因,若为传感器短线等故障,应及时排除

D、检查装置断电、复电、闭锁等功能

答案:

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