Thursday, May 2, 2024
问题:铁路粘油槽车卸油加热约20min左右,关闭(),使加热蒸汽全部进入加热管路,以保证罐内介质加热效果。A、排油阀B、冷凝水阀C、内螺纹球阀D、外螺纹球阀...
Wednesday, November 8, 2023
Monday, September 12, 2022
Sunday, September 11, 2022
问题:搅拌器转动后,油品流动达到()状态时调合效果最好。A、液面平稳B、液面呈漩涡状C、油品上下循环D、液面随搅拌器平行转动...
Monday, August 7, 2023
Monday, September 12, 2022
问题:新建或经过大修后的油罐必须具备什么条件才能投产使用?...
Sunday, September 11, 2022
问题:汽车槽车定量装车时,如果溢油静电(),则批控器立刻()装车。A、不正常,停止B、不正常,暂停C、报警,暂停D、报警,中止...
Monday, September 25, 2023
Sunday, September 11, 2022
Wednesday, December 27, 2023
Saturday, February 17, 2024
Monday, September 12, 2022
问题:油品流经过滤器后,应有足够的()时间,以防止静电产生。...
Monday, September 12, 2022
问题:水受热后体积膨胀,在一个大气压和100℃下,水汽化后的体积是原来...
Sunday, September 11, 2022
Friday, July 28, 2023
问题:在PID图纸上高高液位报警的表示字符是()A、LAHHB、LAHC、HAHHD、HAH...
Monday, March 6, 2023
Sunday, September 11, 2022
问题:中间罐区全部为立式储罐,按其结构分为哪几种?各类型储罐有何优缺点...
Monday, September 12, 2022
问题:装置停工大检修的情况下,吹扫设备的污水应该排向()系统。...
Monday, September 12, 2022
问题:离心泵长时间抽空,会导致泵体温度(),泵内液体()。...
Monday, September 25, 2023