【每日一题】泵设备技术交流版20180322

2018-03-22View Original

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参与：奖3财富；回答正确：奖10财富；注：48小时内回答正确奖励10财富，此贴有效时间48小时。选择题：某水泵装置在运行时的流量为102L/S，扬程为20.0m，轴功率为27KW，该水泵的运行效率为近视()。. A、65% B、70% C、75% D、80%正确答案：C 流量Q=367.2m³/h 有效功率简化计算公式=Q*H*比重/367=367.2*20*1/367=20kW,效率=20/27=74%https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg

Reply #22018-03-22

某水泵装置在运行时的流量为102L/S，扬程为20.0m，轴功率为27KW，该水泵的运行效率为近视(C)。. A、65%B、70%C、75%D、80%

Reply #32018-03-22

D。。。。。。。。。。。

Reply #42018-03-22

选择题：某水泵装置在运行时的流量为102L/S，扬程为20.0m，轴功率为27KW，该水泵的运行效率为近视(C)。. A、65% B、70% C、75% D、80%

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【每日一题】泵设备技术交流版20180322

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