Thursday, February 23, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
尾水管放空盘形阀的阀座安装,其水平及偏差不应大于()。A、0.05mmB、0.20mmC、0.20mm/mD、0.50mm/m...
Wednesday, December 20, 2023
水轮机部件钻铰定位销钉孔易产生哪些问题?产生的原因是什么?...
Sunday, September 11, 2022
Wednesday, February 8, 2023
调速器柜的水平测量基准,电调以()为基准。A、主配压阀阀体上平面B、柜内杠杆C、电液转换器底座(上搁板)D、柜底部基础板...
Monday, April 17, 2023
旋转式直流电焊机是由三相感应电动机拖动弧焊直流发电机组成的。它是...
Sunday, September 11, 2022
Friday, January 13, 2023
水轮机或发电机按实物找正安装时,应调整转轮的中心及主轴垂直,其主...
Sunday, September 11, 2022
立式轴流转桨式水轮机动作试验时,转轮接力器动作应平稳,开启和关闭的最低油压一般不超过工作压力的()%。A、5B、10C、15D、50...
Sunday, February 11, 2024
Sunday, September 11, 2022
某机组静水头为70m,甩某一负荷导叶全关后水压上升率为10%,计...
Sunday, September 11, 2022
安全规程中规定,不准将手伸入旋转机械的栅栏内。由于发电机中性点的消弧线圈不是旋转机械,所以可以将手伸入其删栏内清扫删栏的卫生。...
Thursday, May 2, 2024
Saturday, August 12, 2023
在装配中,零、部件之间与结构之间的尺寸精度达不到要求会影响机器的...
Sunday, September 11, 2022
Sunday, January 21, 2024
导水机构预装时,测得5号导叶处顶盖与底环抗磨板间距为700.14...
Sunday, September 11, 2022
Sunday, January 21, 2024