Sunday, September 11, 2022
问题:以下哪些操作可以影响预存室压力()。A、循环风量的增减B、导入空气量的增减C、装入炉盖的严密程度D、环形气道严密性...
Wednesday, February 15, 2023
问题:干熄焦循环系统中,低温腐蚀是()腐蚀。A、碱性B、酸性C、中性D、氧...
Friday, February 9, 2024
Wednesday, February 15, 2023
Wednesday, January 24, 2024
问题:干熄炉内发生悬料的主要原因是()。A、冷却段衬板表面不光滑B、冷却段浇注后表面不光滑C、装入焦炭质量D、排焦试验时间过短...
Friday, October 28, 2022
Wednesday, July 26, 2023
问题:干熄焦电站生产过程的三大主要设备有()。A、主变压器B、锅炉C、发电机D、汽轮机...
Tuesday, May 16, 2023
Wednesday, July 26, 2023
Monday, November 20, 2023
Sunday, September 11, 2022
问题:常用锅炉的水位调节操作方式有()。A、单冲量调节B、双冲量调节C、三冲量调节D、四冲量调节...
Monday, July 17, 2023
Sunday, September 11, 2022
问题:复床式除盐工艺是离子交换除盐工艺中最常用的一种,工艺流程为()。...
Monday, September 12, 2022
Sunday, September 11, 2022
问题:当汽机的回油里有大量的泡沫,原因是()A、轴承间隙太小B、油温高C、油质变差D、转速太高...
Wednesday, February 21, 2024
Sunday, September 11, 2022
问题:为什么干熄焦与湿熄焦的焦炭相比,反应性明显降低?...
Sunday, September 11, 2022
问题:开工烘炉用煤气管道吹扫可用()。A、压缩空气B、氮气C、低压蒸汽D、中压蒸汽...
Tuesday, May 16, 2023
问题:锅炉酸洗过程中主要检测()及()和Fe2+浓度。A、碱度B、酸度C、Fe3+D、AL...
Thursday, March 28, 2024