型号为20Sh-19的离心泵,比转数为(  )r/min。A.200B.20C.190D.19

作者: rantiku 人气: - 评论: 0
问题 型号为20Sh-19的离心泵,比转数为(  )r/min。
选项 A.200 B.20 C.190 D.19
答案 C
解析 【解析】单级双吸卧式离心泵常见的系列为Sh、S、SA型。例如:20Sh-19表示该泵为进口直径为20英寸(即500mm)单级双吸卧式离心泵,该泵比转数为19*10=190r/min。故本题应选C。

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