试题与答案

在清管作业中,由于清管器与管壁密封不严而造成的故障,其处理方法是()。 A.确定位置

题型:单项选择题

题目:

在清管作业中,由于清管器与管壁密封不严而造成的故障,其处理方法是()。

A.确定位置,割管取出清管器

B.无法处理,让清管器停留在管线中

C.增大进气量,提高推球压差

D.前后放空

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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