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2019-05-31View Original

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["每日一题 泵设备"判断填空题
Reply #22019-05-31
"本帖最后由 368366编辑于"
Reply #32019-05-31
"答题及管理规则:1
Reply #42019-05-31
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Reply #52019-05-31
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Reply #62019-05-31
理论上讲,是这样的,但是如果是在做液压试验,一般弹性变形,压力进本上不会有下降,应为应变太小,在升压过程中,根本就观察不到压力下降,(排除加压幅度很小,且压力用应变片感应,但是这一般只在实验室或者应变强化专项的时候采用,)只有发生塑性变形,才会在压力表上面体现到压力降低。,
Reply #72019-05-31
1,正确 2,水压试验合格
Reply #82019-05-31
1、错误 2、密闭空间内液体的温度高,压力就大。
Reply #92019-05-31
??错误,承压件存变形问题
Reply #102019-05-31
1、× 2、承压件存在一定的加压变形问题
Reply #112019-05-31
1、错误(说明仪器本身问题 或安装问题 或被干扰问题);??2、承压件存在一定的加压变形问题上次那个o圈密封标记默认的是内径还是外径?
Reply #122019-05-31
错误;承压件存在一定的加压变形问题
Reply #132019-05-31
1、错误 2、承压件内以及承压件到试压机的连接管线没有充满水
Reply #142019-05-31
1、√;2、产生残余变形
Reply #152019-05-31
1、错误;2、承压件存在一定的加压变形问题
Reply #162019-05-31
错误;承压件存在一定的加压变形问题

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