[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fTEH0CKXruHeJchIaUw-vSKcFyF3d-Z-fou1dKSFy-Co":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":111},[],"2024-05-05 16:49:12",141497354,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},1073,"45f1f70800fa7d8ae8a580f212b0aa4c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F22d1575d6b61030d304d0843fe364e90.gif","机电设备故障诊断与维修","exam_119995711","2023-2024学年期末复习资料","FANUC数控机床处回零工作方式的确认信号为F3.5",[19,31,40,49,58,67,76,84,93,102],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2024-05-05 16:49:08",141496605,[24,25,26,27],"S-RAM","F-ROM","CNC","FSSB","参数存在哪个存储器区域","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],141496606,[35,36,37,38],"4","3","1","17","使用U盘备份参数时,其通道号为()",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],141496607,[44,45,46,47],"在引导系统下可以使用U盘备份参数","在引导系统下备份的参数名为系统默认名字","在参数目录下,只能用CF卡备份参数","参数备份后一般要重启数控系统","下列说法正确的是()",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],141496608,[53,54,55,56],"O型","M型","H型","Y型","一水平放置的双杆液压缸,采用三位四通电磁换向阀,要求阀处于中位时,液压泵卸荷,且液压缸闭锁不动,其中位机能应选用()",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],141496609,[62,63,64,65],"能量守恒定律","动量定理","质量守恒定律","其它","流量连续性方程是( )在流体力学中的表达形式",{"answer":68,"createTime":21,"id":69,"options":70,"question":75,"source":29,"type":30},[],141496610,[71,72,73,74],"等于10MPa","小于10MPa","大于10MPa","以上都不是","液压系统的最大工作压力为10MPa,安全阀的调定压力应为( )",{"answer":77,"createTime":21,"id":78,"options":79,"question":83,"source":29,"type":30},[],141496611,[80,81,82,74],"泵的额定压力","溢流阀的调定","负载","液压系统的工作压力取决于( )",{"answer":85,"createTime":21,"id":86,"options":87,"question":92,"source":29,"type":30},[],141496612,[88,89,90,91],"溢流阀、减压阀和顺序阀","溢流阀、顺序阀和单向阀","溢流阀、单向阀和减压阀","只有溢流阀","一液压系统的回路上需要安装一背压阀,现有的控制元件是溢流阀、减压阀、顺序阀和单向阀,可以选做背压阀的元件是( )",{"answer":94,"createTime":21,"id":95,"options":96,"question":101,"source":29,"type":30},[],141496613,[97,98,99,100],"外啮合齿轮","轴向柱塞","叶片","内啮合齿轮","高压系统宜采用( )泵",{"answer":103,"createTime":21,"id":104,"options":105,"question":110,"source":29,"type":30},[],141496614,[106,107,108,109],"绝对压力和相对压力的差值","当绝对压力低于大气压力时,此绝对压力就是真空度","当绝对压力低于大气压力时,此绝对压力与大气压力的差值","大气压力与相对压力的差值","真空度是指( )",3]