[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7zOUNP0re_lOX36vKptPEJqOrFaSloATacd82eT8LOI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":29,"type":30},[],"2024-04-20 19:28:46",139352751,[8,9,10],"喷油脉宽","点火提前角","工作温度",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},11,"14accbe76287a02c6e9993e986e61212","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e5c8856a13fe0234083b5306e0698ef.gif","汽车发动机构造与检修","53636a52041543a2901e25e3f6bb02b3","汽油机供给系统 习题5","当结构确定后,电磁喷油器的喷油量主要决定于( )",[20,31,40,48,57,67,77,80,90,99],{"answer":21,"createTime":22,"id":23,"options":24,"question":28,"source":29,"type":30},[],"2024-04-20 19:28:37",139352744,[25,26,27],"输入与输入","输入与输出","输出与输出","闭环控制系统将输出信号通过反馈环节在( )信号进行比较,从而修正输出信号的控制系统称为闭环控制","v1",0,{"answer":32,"createTime":22,"id":33,"options":34,"question":39,"source":29,"type":30},[],139352745,[35,36,37,38],"喷油器电路断路","节气门位置传感器失效","喷油器卡住并保持在开启状态","进气歧管有真空泄漏","以下各喷油器故障除一项外均能造成复合式车辆怠速不稳,是哪一项?( )",{"answer":41,"createTime":22,"id":42,"options":43,"question":47,"source":29,"type":30},[],139352746,[44,45,46],"具有高阻抗","具有低阻抗","测量精确","检测电控汽车电子元件要使用数字式万用表,这是因为数字式万用表( )",{"answer":49,"createTime":50,"id":51,"options":52,"question":56,"source":29,"type":30},[],"2024-04-20 19:28:39",139352747,[53,54,55],"叶片式空气流量计","热膜式空气流量计","卡门旋涡式","属于质量流量型的空气流量计是( )",{"answer":58,"createTime":59,"id":60,"options":61,"question":66,"source":29,"type":30},[],"2024-04-20 19:28:41",139352748,[62,63,64,65],"20~30","30~40","40~50","20~40","发动机水温高于( )ºC,冷起动喷油器不工作",{"answer":68,"createTime":69,"id":70,"options":71,"question":76,"source":29,"type":30},[],"2024-04-20 19:28:44",139352750,[72,73,74,75],"断开燃油蒸发罐管路","将燃油压力表连到电控燃油喷射系统的回流管路上","在将燃油压力表连接到电喷系统上以前先将管路中的压力卸掉","拆下燃油机(分配器)上的燃油管","进行燃油压力检测时,按正确的工序应该首先进行以下哪一步? ( )",{"answer":78,"createTime":5,"id":6,"options":79,"question":18,"source":29,"type":30},[],[8,9,10],{"answer":81,"createTime":82,"id":83,"options":84,"question":89,"source":29,"type":30},[],"2024-04-20 19:28:47",139352752,[85,86,87,88],"燃油压力调节器失效","氧传感器故障","燃油泵压力不足","动力传动系控制组件失效","一辆车的动力传动系控制组件不能改变喷油器脉宽,下面哪一项可能引起这问题? ( )",{"answer":91,"createTime":82,"id":92,"options":93,"question":98,"source":29,"type":30},[],139352753,[94,95,96,97],"只有甲正确","只有乙正确","两人均正确","两人均不正确","技术员甲说在进行发动机真空测试时,发动机应预热并在正常怠速状态运转;技术员乙说应将真空表连接到位于节气门下方的真空源上来测量发动机的真空.谁正确? ( )",{"answer":100,"createTime":101,"id":102,"options":103,"question":104,"source":29,"type":30},[],"2024-04-20 19:28:48",139352754,[94,95,96,97],"装有双进气系统(DIS)的发动机存在不能起动故障,讨论其可能的原因时:技术员甲说,导致这问题的原因是曲轴或凸轮轴传感器的信息丢失;而技术员乙说,点火线圈故障会引起这问题.谁正确?( )"]