![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
测稳定压力时应选用压力表使得正常读数在量程(),最高读数不大于量程的()。
A.1/2~2/3,1/3
B.1/3~2/3,3/4
C.1/3~2/3,2/3
D.1/2~2/3,3/4
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1/2~2/3,1/3
B.1/3~2/3,3/4
C.1/3~2/3,2/3
D.1/2~2/3,3/4
A.压力表每半年进行一次校验
B.一般情况下压力表每月进行一次冲洗,如果发现压力表不准确,不灵敏的要立即更换
C.压力表应经常保持清洁
D.正常工况下,汽压应保持相对稳定,且不得超过最高压力红线