[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f64kjNDxCRsLXsFI4_uq-nIYJVgKnXRuvc_z_oNN4rqg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-11-25 17:59:01",167404437,[8,9,10,11],"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",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"90e17778fab31e5919a769e538a88373","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbd4ceb085e7fb614315a0999b89440b7.jpg","船舶操纵与避碰I（操纵）","2510b6a0a8d14bee96892f13cb6efd10","1.2","有关船舶舵效,哪一种说法是正确的",[21,33,42,51,60,69,78,85,94,97],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-11-25 17:59:00",167404429,[26,27,28,29],"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":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],167404430,[37,38,39,40],"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":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],167404431,[46,47,48,49],"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":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],167404432,[55,56,57,58],"Ⅰ~Ⅳ","Ⅰ~Ⅲ","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":61,"createTime":5,"id":62,"options":63,"question":68,"source":31,"type":32},[],167404433,[64,65,66,67],"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":70,"createTime":5,"id":71,"options":72,"question":77,"source":31,"type":32},[],167404434,[73,74,75,76],"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":79,"createTime":5,"id":80,"options":81,"question":84,"source":31,"type":32},[],167404435,[55,56,82,83],"Ⅱ~Ⅳ","Ⅰ、Ⅳ","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",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":31,"type":32},[],167404436,[89,90,91,92],"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":95,"createTime":5,"id":6,"options":96,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":98,"createTime":5,"id":99,"options":100,"question":102,"source":31,"type":32},[],167404438,[55,56,101,83],"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"]