【单选题】YL —335B自动化生产线使用的电磁阀电压是( )。
【单选题】— Could you tell me _____ and _____? — Sure. [ ]
A.
what's his name; how old is he
B.
what his name is; how old was he
C.
what his name is; how old he is
D.
what was his name; how old was be
【单选题】--- Oh, Jack’s not here these days. Is he ill? ---________. His mother told me that he was in hospital.
【单选题】DDZ-Ⅲ型调节器进行微分时间TD校验时,需要调整测量信号(输入信号)和给定信号为();并用软手动使输出电流为4mA,然后把切换开关拨到“自动”位置,使输入信号改变0.25V(即输入信号从3V变化到3.25V)。
D.
测量信号与给定信号相等,均为3V(即50%),即偏差为零
【单选题】He's tooto think of lending me his car.
【单选题】对下列材料的理解,错误的一项是: 徐子曰:“仲尼亟称于水,曰:‘水哉,水哉!’何取于水也?”孟子曰:“源泉混混,不舍昼夜,盈科而后进,放乎四海。有本者如是,是之取尔。苟为无本,七、八月之间雨集,沟浍皆盈,其涸也,可立而待也。故声闻过情,君子耻之。”《孟子·离娄下》
【简答题】TW-2型驼峰自动化控制系统,供雷达和传感器使用的电源为直流()V。
【单选题】绘制当前价值流程图,你更倾向于重点关注哪几个问题?( )
【判断题】电压调整器用于自动调节启动发电机的励磁电流 , 使启动发电机在较大的转速变化范围内无论是空载还是满载 , 其输出电压均保持于 (96 士 2)V 。
【单选题】DDZ-Ⅲ型调节器进行积分时间TI校验时,需要调整测量信号(输入信号)和给定信号为();并用软手动使输出电流为4mA,然后把切换开关拨到“自动”位置,再使输入信号改变0.25V(即输入信号从3V变化到3.25V)。
D.
测量信号与给定信号相等,均为3V(即50%),即偏差为零