[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fDmjFQH9dsM1zI8C7R6gZjkORl4Io3ffGB3Yq3UCGi90":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-10-31 15:50:50",163923079,[8,9,10,11],"L=(3~4)d,H0 &gt;9m","L=(3~4)d,H0 &lt;9m","L&gt;(3~4)",",H0 &gt;9m ;D. L&lt;(3~4)d,H0 &lt;9m",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},11,"ad24e42376174bb3af22aae222d5d3a9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","水力学","work_38391413","水动力学","圆柱形外管嘴正常工作的条件是( )",[21,32,41,50,59,68,73,82,91,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],163923070,[25,26,27,28],"下降","上升","不变","不一定","液体流动时,其测压管水头线一定是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],163923071,[36,37,38,39],"3m\u002Fs","4m\u002Fs","8m\u002Fs","9m\u002Fs","变直径管,直径d1=400mm, d2=200mm, 流速v1=2m\u002Fs, 则v2为( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],163923072,[45,46,47,48],"管嘴里形成真空","损失小","水利条件好","总损失小","管嘴的出流量比孔口的出流量大是因为 ( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],163923073,[54,55,56,57],"1,2,3,4,5","1, 3, 5","2, 3, 4; (","2,4.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1a95b744f683ac025c83ebce4af11ac0.png\">","在应用恒定总流的能量方程时,可选用图中的( )断面,作为计算断面",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],163923074,[63,64,65,66],"恒定流动","均匀流动","层流运动","运动要素只与一个坐标有关的流动","水力学中的一维流动是指( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":72,"source":30,"type":31},[],163923075,[25,26,27,28],"黏性液体流动时,其总水头线一定是( )",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":30,"type":31},[],163923076,[77,78,79,80],"文丘里计","毕托管","测压管","薄壁堰","测量水槽中某点水流流量的仪器有( )",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":30,"type":31},[],163923077,[86,87,88,89],"大","小","一样","不确定","在相同的条件下,即上游水头H0相等,薄壁小孔口直径与管嘴直径相等,管嘴的出流量比孔口出流量较( )",{"answer":92,"createTime":5,"id":93,"options":94,"question":97,"source":30,"type":31},[],163923078,[36,39,95,96],"4 m\u002Fs","12m\u002Fs","变直径管,直径d1=300mm, d2=150mm, 流速v1=1m\u002Fs, 则v2为( )",{"answer":99,"createTime":5,"id":6,"options":100,"question":19,"source":30,"type":31},[],[8,9,10,11]]