[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fji0eiZ56Nl_FoyCfZV6snSidLWK6nUMtxhd-FWmeUao":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-18 17:54:18",222326741,[8,9,10,11],"Ⅰ~Ⅳ","Ⅰ~Ⅲ","Ⅱ~Ⅳ","Ⅰ、Ⅳ",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","b608796d19404388b97d3650cc35cea4","1.2","操舵后,舵力对船舶运动产生的影响,下面说法正确的是:Ⅰ使船速降低Ⅱ使船横倾Ⅲ使船旋转Ⅳ使船发生横移",[21,32,41,50,57,66,75,78,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],222326732,[25,26,27,28],"与舵叶的几何形状有关,与舵角有关","与舵叶的几何形状无关,与舵角有关","与舵叶的几何形状有关,与舵角无关","与舵叶的几何形状无关,与舵角无关","舵的正压力的大小","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],222326733,[36,37,38,39],"舵效较差,其原因是车叶仍以原转速转动成了水流屏障降低了舵速","舵效较差,其原因是车叶仍以原转速转动成了水流屏障降低了舵面积","舵效较好,其原因是车叶仍以原转速转动成了水流屏障增大了舵速","舵效较好,其原因是车叶仍以原转速转动成了水流屏障增大了舵面积","装有变螺距桨与装有固定螺距桨的大型船比较,停车淌航中",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],222326735,[45,46,47,48],"舵叶纵横比越大,小舵角时舵叶升力小、保向性越高","舵叶纵横比越小,小舵角时舵叶升力也大","舵叶纵横比越大,小舵角时舵叶升力大、保向性越高","舵叶纵横比越小,小舵角保向性越高","关于舵叶纵横比对舵力产生影响,哪种说法正确",{"answer":51,"createTime":5,"id":52,"options":53,"question":56,"source":30,"type":31},[],222326736,[8,9,54,55],"Ⅱ~Ⅲ","Ⅰ、Ⅱ、Ⅳ","使舵力减小的因素包括:Ⅰ空气吸入现象Ⅱ伴流Ⅲ失速现象Ⅳ空泡现象",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":30,"type":31},[],222326738,[61,62,63,64],"10~13度","0度","20度","5~8度","船舶操35度舵角旋回运动中,有效舵角通常会减小",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":30,"type":31},[],222326740,[70,71,72,73],"增大舵角、提高舵速和增大舵面积","增大舵角和增大舵面积","提高舵速和增大舵面积","增大舵角和提高舵速","航行中的船舶,提高舵力转船力矩的措施包括",{"answer":76,"createTime":5,"id":6,"options":77,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":30,"type":31},[],222326742,[82,83,84,85],"提高船速的同时提高螺旋桨转速","提高船速的同时降低螺旋桨转速","降低船速的同时提高螺旋桨转速","降低船速的同时降低螺旋桨转速","下列哪项措施可提高船舶舵效",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":30,"type":31},[],222326743,[91,92,93,94],"船舶尾倾比首倾时舵效好,舵角小时比舵角大时舵效好","船舶首倾比尾倾时舵效好,舵角大时比舵角小时舵效好","船舶尾倾比首倾时舵效差,舵角大时比舵角小时舵效好","船舶首倾比尾倾时舵效差,舵角大时比舵角小时舵效好","有关船舶舵效,哪一种说法是正确的",{"answer":97,"createTime":5,"id":98,"options":99,"question":101,"source":30,"type":31},[],222326744,[8,9,100,11],"Ⅱ、Ⅲ","下列哪项措施可提高船舶舵效?Ⅰ提高船速Ⅱ提高船速的同时降低螺旋桨转速Ⅲ降低船速的同时降低螺旋桨转速Ⅳ降低船速的同时提高螺旋桨转速"]