[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ft9qv0SpWqoqLaMB_gTxijigzu32-J-UvrOzwozDts2Q":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-18 16:38:14",69716802,[8,9,10,11],"运动方向","运动速度","加速","减速",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},73,"d6ef2f00160fd9cf0cae2cb0235e7e07","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","港口机械基础","work_27953223","第二章 连续输送机械(单选+判断)","端部滚筒卸载常用于卸载地点固定的场合.其原理是:当输送带绕过端部滚筒时,( )改变,物料则因运动惯性而与带条脱离被抛入卸料槽或直接卸到物料堆",[21,32,41,50,58,67,76,84,93,102],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],69716793,[25,26,27,28],"阶梯形","平面形","任意形","以上都不对","冷接法的操作方法是:将胶带接头部位的衬垫层和胶层按一定形式和角度剖割成( ),涂上环氧树脂或氯丁胶料(或202树脂),约过3〜5min后将接头合拢,加上螺杆压板固定即可","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],69716794,[36,37,38,39],"管道压力等于外界大气压","管道压力高于外界大气压","管道压力低于外界大气压","管道压力不高于外界大气压","在吸送式气力输送机中,供料是在( )的条件下进行的",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],69716795,[45,46,47,48],"增加重量","增加包角","增加长度","增加成本","对于大功率长距离的带式输送机,可采用多滚筒驱动来( ),以提高驱动的牵引力",{"answer":51,"createTime":5,"id":52,"options":53,"question":57,"source":30,"type":31},[],69716796,[54,55,56,28],"装卸性能","流动性","吸湿性","堆积角(自然坡度角)是指散粒物料从一个规定的高度自由均匀地落下时所形成的能稳定保持的锥形料堆的最大坡角,即自然堆放的料堆表面与水平面之间的最大夹角,它反映了物料的( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],69716797,[62,63,64,65],"跑偏","运动","震动","噪音","带式输送机的支承装置的作用是支承输送带和输送带上所载物料的重量;限制输送带的垂度,保证输送带正常运行不发生( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":30,"type":31},[],69716798,[71,72,73,74],"移动","旋转","滚动","固定","螺旋输送机是借助于带有螺旋片的转动轴在一封闭的料槽内( ),将物料推移而进行输送的机械",{"answer":77,"createTime":5,"id":78,"options":79,"question":83,"source":30,"type":31},[],69716799,[80,81,82,28],"倾角","斜角","堆积角","自然堆放的料堆表面与水平面之间的最大夹角称为( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":30,"type":31},[],69716800,[88,89,90,91],"锰钢板","普通钢板","无所谓","材料","斗壁、斗刃、斗齿及底面加强板都用耐磨的( )制造",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":30,"type":31},[],69716801,[97,98,99,100],"传递电力和承放货物","传递牵引力和承放工具","传递牵引力和承放货物","传递工具和承放备件","输送带既是牵引构件又是承载构件,即用来( )的",{"answer":103,"createTime":5,"id":6,"options":104,"question":19,"source":30,"type":31},[],[8,9,10,11]]