Sunday, October 8, 2023
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:蒸汽对汽轮机金属部件表面的热传递有两种方式,当金属温度低于蒸汽的...
Sunday, September 11, 2022
问题:风量的调节依据是(),方法是依靠送风机动叶调节。...
Tuesday, December 24, 2024
问题:大型发电机要配置逆功率保护,逆功率不超过()min。A、3;B、1.5;C、5;D、10。...
Tuesday, May 16, 2023
Wednesday, May 8, 2024
问题:火力发电厂采()作为国家考核指标。A、全厂效率B、厂用电率C、发电煤耗率D、供电煤耗率...
Wednesday, February 7, 2024
Wednesday, April 17, 2024
问题:EH油系统的作用是为汽轮机提供()、()系统用油。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:汽轮机温态启动:高压内缸调节级金属温度和中压缸第一级叶片持环温度在()℃之间。...
Monday, March 13, 2023
Thursday, September 15, 2022
Sunday, September 11, 2022
Wednesday, May 8, 2024
问题:如负载的有功功率为P,无功功率为Q,电压为U,电流为I,确定电抗X大小的关系式是()。A、X=Q/I2B、X=Q/IC、X=I2/Q2D、X=UI2/Q...
Thursday, December 26, 2024
问题:省煤器分()布置,在锅炉尾部竖井烟道下部和分隔烟道内,在省煤器入...
Monday, September 12, 2022
Thursday, June 15, 2023
问题:用兆欧表摇测设备绝缘时,如兆欧表的转速不均匀(由快变慢)测得的结果与实际值比较()。A、偏低;B、偏高;C、相等;D、不一定。...
Tuesday, January 2, 2024