Wednesday, September 25, 2024
问题:当水泵停用发生倒转时,禁止关()门,防止水泵破裂。A、进口B、出口C、再循环D、冷却水
Sunday, November 24, 2024
Wednesday, September 25, 2024
Thursday, October 31, 2024
Sunday, November 24, 2024
问题:再沸腾管的作用是始终保持沸腾状态,防止工况影响除氧效果。
Sunday, October 27, 2024
问题:根据水在除氧器中散布的形式不同,可分为()、()和()。
Monday, August 19, 2024
问题:为保证除氧效果,必须把水加热到除氧器压力对应的饱和温度。
Sunday, November 24, 2024
Monday, August 19, 2024
问题:除氧器气压变化大,将引起给水箱水位波动,但不会影响除氧效果。
Wednesday, October 9, 2024
问题:除氧器气压变化大,将引起给水箱水位波动,但不会影响除氧效果。
Wednesday, October 9, 2024
Wednesday, October 9, 2024
问题:当给水中溶解氧超过()mg/L时,给水管道和省煤器在短期内出现穿孔的点状腐蚀。A、0.001B、0.005C、0.03D、0.1
Sunday, October 27, 2024
问题:热力除氧的原理是建立在气体的溶解定律—()定律的基础上的。
Sunday, October 27, 2024
Saturday, August 3, 2024
Wednesday, September 25, 2024
Wednesday, September 25, 2024
问题:除氧器处于冷状态和水箱有水时,应先投入()。A、汽B、水C、汽水同时D、空气
Wednesday, October 9, 2024
Sunday, November 24, 2024
Thursday, October 31, 2024