热力管道焊缝返修后应进行表面质量及()的无损探伤检验。A.80%B.90%C.100%D.99%

作者: rantiku 人气: - 评论: 0
问题 热力管道焊缝返修后应进行表面质量及()的无损探伤检验。
选项 A.80% B.90% C.100% D.99%
答案 C
解析 钢管与设备、管件连接处的焊缝应进行100%无损探伤检验;管线折点处有现场焊接的焊缝,应进行100%无损探伤检验;焊缝返修后应进行表面质量及100%的无损探伤检验。其检验数量不计在规定检验数中。

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