Thursday, November 16, 2023
Friday, September 16, 2022
Monday, January 29, 2024
问题:氨区应按照要求配备适量2%的()水或2%的硼酸水,并有充足的氮气储备。A、醋酸B、盐酸C、硫酸D、钛酸...
Thursday, April 4, 2024
问题:卸氨操作过程要缓慢进行,保持卸氨压差在()左右(即槽车与储罐间的压差)。A、0.2MPAB、0.3MpAC、0.4MPAD、0.5MPA...
Monday, March 4, 2024
问题:由于催化剂的成分限制,温度过高超过()后,可能会造成催化剂结构的不稳定,从而破坏催化剂的活性。A、420℃B、450℃C、410℃D、330℃...
Thursday, April 4, 2024
Monday, March 4, 2024
Wednesday, July 26, 2023
Tuesday, May 23, 2023
Sunday, March 31, 2024
问题:当液氨储罐的液位正常时,液氨储罐的温度过高,可向()泄压。...
Sunday, September 11, 2022
Wednesday, December 27, 2023
Monday, March 18, 2024
问题:液氨储罐的液氨充装系数是()。A、0.45B、0.53C、0.6D、0.8...
Wednesday, December 27, 2023
问题:压缩机通过将()压缩后输往槽车,将槽车的液氨压入液氨储罐内。A、空气B、氨气C、液氨D、氮气...
Monday, March 18, 2024
问题:关于脱硝氨氮摩尔比的理解正确的是()A、所加氨与脱除氮氧化物的质量比B、所加氨与脱除氮氧化物的摩尔比C、所加氨与入口氮氧化物的摩尔比D、所加氨与入口氮氧化物的质量比...
Wednesday, February 14, 2024
Sunday, September 11, 2022
问题:当液氨罐壁温达到40℃或内部液氨温度达到38℃时,应自动启动喷淋降温。...
Saturday, August 12, 2023
问题:空气呼吸器正常气瓶压力()kg/cm3。A、25~15B、30~20C、35~25D、30~25...
Thursday, September 14, 2023