Tuesday, September 13, 2022
Friday, September 16, 2022
问题:褐煤贮存1年以后,其热值()。A、不变;B、增加;C、降低10%;D、降低20%。
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:监盘中看到某输煤胶带机电流过大或摆动过大而跳闸时,应()。A、可强行启动一次;B、可在就地监视下启动;C、不应再强行启动。
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:造成减速器漏油、油位不正常、温度升高的原因是什么?怎样解决?
Friday, September 16, 2022
问题:碎煤机停止后,惰走时间较短,原因是转子()或轴承损坏。
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:火力发电厂要做好燃煤管理工作,以防止煤场自燃,堆煤作业时应()。 A、定期浇水;B、分层压实;C、块末分离;D、边堆边压实。
Friday, September 16, 2022
问题:PLC发出“跳仓”命令后,此原煤仓上的所有犁煤器均强制抬起,以便空仓或检修。
Tuesday, September 13, 2022