[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fjHTiMiT67ZFwxTqrNNeHljRC387g2mr4C5ZWIr2inwY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-22 16:21:56",239414241,[8,9,10,11],"H7","N9","D10","P9",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},11,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48331268","任务4.2-1知识检测","正常负载的键连接中,轴槽宽度公差带通常选用( )",[21,32,40,45,54,63,66,75,84,93],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],239414236,[25,26,27,28],"基孔制","基轴制","混合制","无基准制","平键连接中,键与键槽的配合通常采用( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":30,"type":31},[],239414237,[36,37,38,10],"h9","h8","k7","普通平键的键宽公差带代号一般为( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":30,"type":31},[],239414238,[8,10,11,37],"松连接(如导向平键)的轮毂槽宽度公差带代号是( )",{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":30,"type":31},[],239414239,[49,50,51,52],"游标卡尺","塞规","千分尺","环规","测量平键槽宽度时,优先选用的量具是( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":30,"type":31},[],239414240,[58,59,60,61],"键的强度","装配性","键槽深度","表面粗糙度","平键连接中,键槽的对称度公差主要影响( )",{"answer":64,"createTime":5,"id":6,"options":65,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":30,"type":31},[],239414242,[70,71,72,73],"t","t2","t1","d - t","轮毂槽深度的标注尺寸是( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":30,"type":31},[],239414243,[79,80,81,82],"间隙配合","过盈配合","过渡配合","无法确定","若键宽为10h8,轴槽宽为10N9,则键与轴槽的配合性质是( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":30,"type":31},[],239414244,[88,89,90,91],"9 mm","14 mm","50 mm","5 mm","某轴径d=50mm,选用14&times;9平键,其轴槽宽度公称尺寸为( )",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":30,"type":31},[],239414245,[97,98,99,100],"4.8 mm","40 mm","5.2 mm","无法计算","测量轴径d=40mm,测得轴槽深度尺寸为35.2mm,则实际槽深t值为( )"]