管道系统正确的吹洗顺序是()A:支管→疏排管→主管B:疏排管→支管→主管C:主管→支管→疏排管D:主管→疏排管→主管

作者: rantiku 人气: - 评论: 0
问题 管道系统正确的吹洗顺序是()
选项 A:支管→疏排管→主管 B:疏排管→支管→主管 C:主管→支管→疏排管 D:主管→疏排管→主管
答案 C
解析 管道系统应按主管→支管→疏排管的顺序进行吹洗,吹洗主管时,应关闭支管阀门;支管吹洗应从介质前进方向的第一支管开始依次进行。

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