[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fj5IsHLBdLAc64FEXkHXQUgygb__5eNNlqva73ZfPR4M":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-05-20 20:18:15",1118756387,[8,9,10,11],"电阻丝有温度系数","试件与电阻丝的线膨胀系数相同","电阻丝承受应力方向不同","电阻丝与试件材料不同",{"courseId":13,"workId":14,"workName":15},"1000083090","66953742","第三章单元测试","产生应变片温度误差的主要原因有( )",[18,23,32,41,50,59,68,77,87,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v2",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],1118756388,[27,28,29,30],"应变片金属敏感栅横向效应","金属应变片的零漂过大","金属应变片的灵敏系数低","试件材料和敏感栅材料的线膨胀系数不一致","下列选项中环境温度变化而引起压阻传感器测量误差的原因有( )",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],1118756389,[36,37,38,39],"零位补偿","温漂补偿","非线性补偿","包括其他三个选项","直流电桥的补偿包括( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],1118756390,[45,46,47,48],"电阻","扭矩","流量","压力","通常用电阻应变片传感器测量( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":21,"type":22},[],1118756391,[54,55,56,57],"单臂变化","双臂变化","三臂变化","四臂变化","传感器的灵敏度是电桥测量技术的重要指标,在同一输入电压的条件下,灵敏度最高的电桥是:( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],1118756392,[63,64,65,66],"两个桥臂都应当用大电阻值工作应变片","两个桥臂都应当用两个工作应变片串联","两个桥臂应当分别用应变量变化相反的工作应变片","两个桥臂应当分别用应变量变化相同的工作应变片","利用相邻双臂桥检测的应变式传感器,为使其灵敏度高、非线性误差小( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],1118756393,[72,73,74,75],"相邻桥臂阻值乘积相等","相对桥臂阻值乘积相等","相对桥臂阻值比值相等","相邻桥臂阻值之和相等","直流电桥的平衡条件为( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":86},[],1118756508,[81,82,83,84],"固态压阻式传感器和金属应变片的灵敏度与被测力的方向有关","横向效应影响固态压阻式传感器的测量","直流电桥测量电路的灵敏度与电源电压有关","电阻式传感器适合动态力的测量","电阻式传感器说法正确的是( )",1,{"answer":88,"createTime":5,"id":89,"options":90,"question":93,"source":21,"type":94},[],1118756510,[91,92],"对","错","电阻应变片式传感器可以对位移、加速度、压力等进行测量.( )",3,{"answer":96,"createTime":5,"id":97,"options":98,"question":99,"source":21,"type":94},[],1118756512,[91,92],"应变片式压力传感器仅能对压力进行测量.( )"]