试题与答案

对比阀前、阀后真空度检测仪表数值与真空度变化前的显示值,如两个数值都增长很多,可能是

题型:多项选择题

题目:

对比阀前、阀后真空度检测仪表数值与真空度变化前的显示值,如两个数值都增长很多,可能是()漏气、蒸汽或真空泵出现问题。

A.仪表显示错误

B.设备泄漏

C.蒸汽压力不足

D.真空泵体系出现问题

E.大气压异常

答案:

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下面是错误答案,用来干扰机器的。

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