给水泵出口压力下降应联系锅炉调节给水流量,若勺管位置开至最大,给水压力影响锅炉给水流量时,应()。A、联系检修入员B、紧急停机C、紧急停泵D、启动备用泵...
Saturday, September 23, 2023
水泵压出室的作用就是以最小的损失将液体正确导入下一级叶轮或引向出水管,同时将部分动能转化为压力能。...
Tuesday, June 27, 2023
2#、3#低压加热器水侧设置为一组,其优点是()。A、便于检修B、降低投资成本C、提高经济性D、传热效果好...
Thursday, January 12, 2023
按国际规定,轴套类零件中的普通倒角和小圆角()A、必须画出B、必须标注尺寸C、可省略不画...
Sunday, December 10, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
低压加热器疏水泵是将加热器疏水打向(),保证低压加热器侧水位在1...
Sunday, September 11, 2022
Sunday, September 11, 2022
采用冷却塔循环供水系统中,应定期向循环水系统中补充()水。...
Sunday, September 11, 2022
高压加热器水侧泄漏,疏水温度()。A、正常B、不变C、上升D、下降...
Saturday, August 26, 2023
Saturday, September 23, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
流体运动时,在流体层间产生内摩擦以阻止相对运动的特性称为()。A、黏性B、动力黏性C、运动黏性D、黏度...
Thursday, February 8, 2024
同一热力循环中,热效率越高,则循环功越大;反之循环功越大,则热效...
Sunday, September 11, 2022
油净化器齿轮泵出口压力高,应开大()门。A、出口B、入口C、旁路D、再循环...
Saturday, August 26, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022