[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fphrNgxN9NGwVIXnncjBkP_B2TO2MX741wD9EFJJZsJ4":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":111,"createTime":26},308860975,"v1","某比例控制器,温度控制范围为400~800℃,输出信号范围是4~20mA.当指示指针从600℃变到700℃时,控制器相应的输出从8mA变为16mA.求设定的比例度()",[8,9,10,11],"100%","50%","200%","0.75",[],[14,27,37,47,57,67,71,81,91,101],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},308860970,"关于微分先行的PID算法,下列说法正确的是()",[18,19,20,21],"不对给定值进行比例运算","不对给定值进行积分运算","不对给定值进行微分运算","不对给定值进行比例、积分运算",[],[],0,null,"2026-01-10T18:40:40+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},308860971,"均匀控制系统与定值反馈控制系统的区别是()",[31,32,33,34],"均匀控制系统比较稳定","定值反馈控制系统被控变量不能变化","均匀控制系统的被控变量是可以变化的","均匀控制系统的控制结果不是为了使被控变量保持不变",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":45,"related":46,"type":24,"origin":25,"createTime":26},308860972,"比例控制器的缺点是()",[41,42,43,44],"系统的输出值不能完全达到给定值,精度不高","剩余误差不等于零","控制器的控制量与系统的输出量有差值,精度不高","剩余误差太小,输出不能达到给定值",[],[],{"id":48,"source":5,"question":49,"options":50,"answer":55,"related":56,"type":24,"origin":25,"createTime":26},308860973,"过程控制策略与算法经历了由简单到复杂的发展历程,包括()",[51,52,53,54],"简单控制和复杂控制","自动控制和现代控制","传统控制和先进控制","简单控制、复杂控制和先进控制",[],[],{"id":58,"source":5,"question":59,"options":60,"answer":65,"related":66,"type":24,"origin":25,"createTime":26},308860974,"调节阀的工作流量特性除与调节阀理想流量特性有关外,还与()有关",[61,62,63,64],"调节阀安装位置","管道系统的阻力","管道的形状","管道系统特性",[],[],{"id":4,"source":5,"question":6,"options":68,"answer":69,"related":70,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"id":72,"source":5,"question":73,"options":74,"answer":79,"related":80,"type":24,"origin":25,"createTime":26},308860976,"某一阀门全开、阀端压差为50kPa时,流体密度为2*103Kg\u002Fm3,流经阀的流量Q为30m3\u002Fh,则该调节阀的流量系数C为()",[75,76,77,78],"15","30","60","120",[],[],{"id":82,"source":5,"question":83,"options":84,"answer":89,"related":90,"type":24,"origin":25,"createTime":26},308860977,"串级控制系统中副回路是一个()",[85,86,87,88],"定值控制系统","随动控制系统","程序控制系统","前馈控制系统",[],[],{"id":92,"source":5,"question":93,"options":94,"answer":99,"related":100,"type":24,"origin":25,"createTime":26},308860978,"自动控制系统中,操纵变量和干扰变量的相同点是()",[95,96,97,98],"都是对象的输入信号","都会使被控变量偏离给定值","都是可以控制的","对于对象来说都是唯一的",[],[],{"id":102,"source":5,"question":103,"options":104,"answer":109,"related":110,"type":24,"origin":25,"createTime":26},308860979,"简单控制系统中各环节正负作用的判定顺序是()",[105,106,107,108],"被控对象、变送器、控制器、执行器","变送器、控制器、执行器、被控对象","控制器、执行器、被控对象、变送器","执行器、被控对象、变送器、控制器",[],[],{"courseName":112,"courseImg":113,"workName":114,"workId":114,"count":24,"courseId":115},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","","53e1d2ef4961cca8eea3e23969ad2cb9"]