Friday, February 23, 2024
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:主变差动与瓦斯保护的作用有哪些区别?如变压器内部故障时两种保护是否都能反映出来?
Sunday, December 17, 2023
Monday, January 29, 2024
Sunday, September 11, 2022
问题:在水轮机检修时,尾水门应该()A、关严;B、打开;C、打开、关闭均可。
Saturday, March 18, 2023
问题:用来分离压缩空气中所含的油分和水分,使压缩空气得到初步净化的设备叫油水(汽水)分离器
Sunday, September 11, 2022
Friday, February 2, 2024
Sunday, September 11, 2022
Saturday, March 18, 2023
问题:操作票实行“三审”制度:()。三审后的操作票在取得正式操作令后执行。
Sunday, November 27, 2022
Saturday, October 1, 2022
问题:向空载线路充电,在暂态过程衰减后,线路末端电压不应超过系统额定电压的倍数为()A、1.15倍B、1.10倍C、1.25倍D、1.20倍
Wednesday, October 25, 2023
问题:反击式水轮发电机组停机时机械和电气制动装置都不能使用,则()A、事故停机B、重新开启机组C、自由制动D、允许机组在低转速下继续运转
Monday, January 30, 2023
Sunday, September 11, 2022
Sunday, March 26, 2023
Sunday, September 11, 2022
问题:电磁式万用表不用时应把旋钮放在()A、直流档B、电阻档C、交流档D、电压档
Sunday, September 11, 2022