有过水断面面积、糙率、底坡均相同的四条矩形断面棱柱形长直渠道，其底宽b与均匀流水深h。有以下几种情况，则通过流量最大的渠道是( )。 -题库考试答案搜索网

有过水断面面积、糙率、底坡均相同的四条矩形断面棱柱形长直渠道，其
底宽b与均匀流水深h。有以下几种情况，则通过流量最大的渠道是( )。

单选题

2021-07-19 02:26

A、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt"><em>b</em></span><sub><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">1</span></sub><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">= <chmetcnv w:st="on" unitname="m" sourcevalue="4" hasspace="True" negative="False" numbertype="1" tcsc="0" />4.0 m</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">，</span>
B、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt"><em>b</em></span><sub><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">2</span></sub><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt"> = <chmetcnv w:st="on" unitname="m" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0" />2.0m</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">，</span>
C、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt"><em>b</em></span><sub><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">3</span></sub><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">= <chmetcnv w:st="on" unitname="m" sourcevalue="2.8" hasspace="True" negative="False" numbertype="1" tcsc="0" />2.8 m</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">，</span>
D、<span lang="EN-US" style="mso-bidi-font-size: 10.5pt">b</span><sub><span lang="EN-US" style="mso-bidi-font-size: 10.5pt">4</span></sub><span lang="EN-US" style="mso-bidi-font-size: 10.5pt"> = <chmetcnv w:st="on" unitname="m" sourcevalue="2.6" hasspace="False" negative="False" numbertype="1" tcsc="0" />2.6m</span><span>，h</span><sub><span lang="EN-US" style="mso-bidi-font-size: 10.5pt">04</span></sub><span lang="EN-US" style="mso-bidi-font-size: 10.5pt"> = </span>

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正确答案

C

试题解析

C

标签：新能源科学与工程专升本流体机械基础 2019级第三学期期末考试

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