问题:H级K型热电偶的测温范围为400℃以上,其允许误差为()。...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:根据1968年国际实用温标的规定,基准铂电阻温度计的纯度R100/R0应不小于();工业用的纯度R100/R0应不小于()。...
Saturday, September 17, 2022
问题:热电阻是根据电阻值随温度变化的性质,将()的变化用仪表显示出来,达到测温目的的。A、温度B、被测量C、电阻值...
Saturday, September 17, 2022
问题:现有两台压力变送器第一台为1级0-600KPa,第二台为1级25...
Saturday, September 17, 2022
问题:径距取压是在孔板上、下游侧开的管壁取压孔,上游取压孔轴线和下游取...
Saturday, September 17, 2022
问题:当弹簧管式压力表的示值误差随示值的增大成比例增大时,通常可调整(...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:机械位移量测量仪表根据其工作原理的不同有哪几种方式?...
Tuesday, September 13, 2022
Saturday, September 17, 2022
问题:用孔板流量计测量蒸汽流量。设计时,蒸汽的密度为4.0kg/m<s...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:仪表的阻尼时间定义为向仪表加入一个相当于仪表量程50%的____...
Saturday, September 17, 2022
问题:调节阀理想流量特性主要有(),(),()及()等四种。...
Thursday, March 16, 2023
Saturday, September 17, 2022
Saturday, September 30, 2023
问题:计算题:有一配热电偶的动圈式温度仪表,刻度盘上标有外线路电阻R<...
Saturday, September 17, 2022
Saturday, September 17, 2022