问题:单选题电脱盐罐水冲冼应定期进行,最好要()进行一次。A 每班B 每天C 每周D 每年...
Saturday, December 21, 2024
问题:常压塔、减压塔塔底都吹入一定量蒸汽,目的是()。...
Thursday, September 22, 2022
问题:单选题常压塔开侧线,根据()启动侧线泵。A 塔底液面情况B 塔顶压力情况C 汽提塔液面情况D 各侧线来油情况...
Saturday, March 25, 2023
Wednesday, January 1, 2025
Wednesday, September 21, 2022
Friday, September 16, 2022
Sunday, June 22, 2025
问题:问答题简述仪表切换到串级回路的操作方法(步骤)。...
Sunday, November 24, 2024
问题:单选题塔顶回流罐水界面控制过高,或仪表失灵造成水界面过高,会导致()。A 塔顶温度上升B 塔顶压力下降C 回流带水D 回流罐排水带油...
Thursday, June 6, 2024
Thursday, September 22, 2022
问题:单选题常压炉进料量不变时,提高初侧线抽出量,则()。A 处理量增大B 处理量减小C 轻油收率减少D 轻油收率增加...
Sunday, March 23, 2025
Wednesday, January 1, 2025
Tuesday, November 26, 2024
问题:常减压蒸馏装置中加工高含硫原油时,加热炉炉管适宜选用()材质。...
Saturday, September 17, 2022
问题:单选题计算加热炉过剩空气系数的公式为()。A 实际空气量/理论空气量B 理论空气量/实际空气量C 实际空气量+理论空气量D 实际空气量-理论空气量...
Friday, December 13, 2024
Tuesday, November 26, 2024
Friday, December 13, 2024
Saturday, November 12, 2022
Wednesday, September 21, 2022
Monday, April 1, 2024