Tuesday, April 1, 2025
Tuesday, September 13, 2022
Saturday, July 29, 2023
问题:风机运行时,如因电流过大或摆动幅度大而跳闸,则()。...
Thursday, April 11, 2024
问题:链条的基本参数是()A、节矩B、销轴直径C、滚子直径D、齿数...
Saturday, February 15, 2025
问题:渣仓一炉设臵两台,每台直径为(),有效容积为()。...
Thursday, July 13, 2023
问题:运行中轴封泵出口水压()灰渣泵出口压力。A、应等于B、应高于C、应低于D、略低于...
Monday, January 1, 2024
Saturday, August 12, 2023
Monday, September 12, 2022
Tuesday, September 13, 2022
问题:电除尘第一电场排灰比例为80%,排灰量为150t/h。...
Monday, September 12, 2022
Wednesday, March 19, 2025
问题:用电是指发电厂辅助设备附属车间的用电,不包括生产照明用电。...
Thursday, January 9, 2025
问题:多级泵轴向推力的平衡办法,一般采用()。A、平衡盘B、平衡孔C、平衡管D、都不行...
Saturday, April 22, 2023
问题:用水平仪检查轴水平,在测量时应先对好水平仪纵向水平读数,再看横向水平。...
Monday, June 26, 2023
Monday, September 12, 2022
问题:定期对高压硅整流变进行测试检查,测量其绝缘电阻,高压端正向对地应接近于零,反向应大于()MΩ,一次侧应大于300MΩ。...
Monday, June 26, 2023
Tuesday, September 13, 2022
问题:为了防止堵灰后管线压力过大,在出口泵设置()A、排堵阀B、平衡阀C、流化风...
Monday, June 26, 2023
Thursday, October 12, 2023