水在垂直管内由上向下流动,相距l的两断面间,测压管水头差h,则两断面间沿程水头损失hf为( ) -题库考试答案搜索网

水在垂直管内由上向下流动,相距l的两断面间,测压管水头差h,则两断面间沿程水头损失h_f为( )

单选题

2022-04-02 16:48

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1635758442142_b3b98cde57484a0da37855f69132121a.png" class="mw-100">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1635758491872_7a5147b12412474797e2dc62bbfc263a.png" class="mw-100">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1635758499688_e5f4f04f3eb643629ad6f99ce469d980.png" class="mw-100">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1635758535546_f76dfc0365e54f7fb6133f8169a56580.png" class="mw-100">

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正确答案

A

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标签：西南石油大学成人高等教育平台石油工程专升本工程流体力学作业

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