如图示并联管路，已知各支路的沿程阻力系数之比为，管长之比为，且，则两支管的流量之比=（）。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/6e209020d20f4543823ce6516ae8ca06.png
举一反三
- 如图示并联管路，已知各支路的沿程阻力系数之比为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/6e209020d20f4543823ce6516ae8ca06.png" />，管长之比为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/50814fe028094040bc955d8e1542b6d2.png" />，且<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/40b4c6a9565b483590c5c7d607e7ed66.png" />，则两支管的流量之比<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1055534bfce6426a94682ba086a5b17e.png" />=（）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/77815369f5cd41f3a2e68b9524b454c5.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/0cd231eebe45465f941a0f614743e6d2.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7555afa5223e40bf89ca575cf7b52754.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1b06cd474b844644a6d97ad87d208e94.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d0b2bca045414236a7d1c9925a9264f2.png" />
- 某变径管的雷诺数之比，则其管径之比为（）。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/4c46a5b24a004e54be6d53f4ab76db13.png
- 如图示并联管路，已知各支路的沿程阻力系数之比为[img=66x20]17d606e5a5f737a.png[/img]，管长之比为[img=64x19]17d606e5bc67f4b.png[/img]，且[img=70x19]17d606e5ccc3bdf.png[/img]，则两支管的流量之比[img=52x19]17d606e5e04a42b.png[/img]=（）。[img=222x107]17d606e5ef4ce8a.png[/img] 未知类型：{'options': ['', '', '', ''], 'type': 102}
- 并联管路，已知两支路的沿程阻力系数之比为1，管长之比为4，管径之比为2，则两支路的流量之比为（）（小数点后2位）
- 已知三通管来流流量，两出流支管的管径分别为和，若两支流管的断面平均流速相等，则两支管的流量分别为（）。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/fed5bf8ee9db4252bcfa45623a443796.png