Wednesday, September 21, 2022
Wednesday, September 21, 2022
Wednesday, November 22, 2023
问题:单选题对称三相电源星形连接,线电流等于()。A 相电B 相电流的1.732倍C 额定容量除以额定电压
Wednesday, September 21, 2022
Monday, December 11, 2023
Tuesday, July 25, 2023
Monday, December 18, 2023
Wednesday, September 21, 2022
问题:问答题在汽机启动转速至840r/mix就地检查哪些项目?
Saturday, November 11, 2023
问题:单选题空预器冷端平均温度()时,暖风器投运。A ≤60℃B ≤68℃C ≤75℃
Thursday, December 14, 2023
Monday, October 17, 2022
Wednesday, September 21, 2022
问题:判断题汽轮发电机组无蒸汽运行(逆功率运行),危害最大的是汽轮机的末级叶片和低压缸。A 对B 错
Wednesday, September 21, 2022
Friday, September 16, 2022
Wednesday, September 21, 2022
问题:单选题下列放热系数哪一种最大()A 凝结放热;B 对流放热;C 固体传热。
Monday, January 15, 2024
Thursday, December 14, 2023
Thursday, September 15, 2022
Tuesday, August 9, 2022
问题:判断题轴流式风机发生喘振必须是两台风机低负荷并列运行时才会发生,单一风机是不会发生喘振现象的。A 对B 错
Sunday, October 9, 2022