试题与答案

管路水压试验中的强度试验要求管路内充水加压到工作压力的1.5倍,保持(),压力稳定,

题型:单项选择题

题目:

管路水压试验中的强度试验要求管路内充水加压到工作压力的1.5倍,保持(),压力稳定,管路无爆裂变形,即为合格。

A.1min

B.5min

C.15min

D.20min

答案:

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