首页/ 题库 / [单选题]同一台泵用于输送密度分别为ρ1和ρ2的液的答案

同一台泵用于输送密度分别为ρ1和ρ2的液体时,保持转速不变且流动相似,其对应的扬程分别是H1和是H2,对应的轴功率分别为P1和P2,若ρ1>ρ2,则下列关系式中正确的是
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单选题
2021-07-17 23:47
A、H1>H2 P1=P2
B、H1=H2 P1>P2
C、H1>H2 P1>P2
D、H1=H2 P1=P2
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正确答案
B

试题解析

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