Sunday, January 5, 2025
问题:水封的有效高度为煤气计算压力加()毫米水柱。A、5米B、600毫米C、500厘米D、50厘米...
Saturday, April 5, 2025
问题:煤气爆炸范围是指()与空气或氧混合到某一混合浓度范围内,一旦有()时就会发生爆炸。...
Friday, October 7, 2022
Friday, July 5, 2024
Tuesday, September 13, 2022
Thursday, December 26, 2024
Sunday, October 1, 2023
Tuesday, August 15, 2023
Tuesday, April 23, 2024
Sunday, January 5, 2025
Tuesday, September 13, 2022
Thursday, June 1, 2023
Thursday, March 21, 2024
Tuesday, September 13, 2022
问题:造成下段煤气出焦油的因素有哪几个方面?请简要分析说明。...
Friday, May 17, 2024
问题:煤气管道静电接地电阻一般不大于()欧姆。A、20B、50C、100D、200...
Friday, March 29, 2024
问题:吹扫或引气过程中,严禁在煤气设施上栓、拉电焊线,煤气设施周围()内严禁火源。...
Thursday, January 16, 2025
问题:怎样调整哪一个运行参数,才能使煤气中含氧量尽量少,以保证生产的安全?...
Thursday, January 16, 2025
问题:高炉煤气和转炉煤气主要预防()事故。A、中毒B、爆炸C、着火D、着火和爆炸...
Tuesday, June 6, 2023
问题:煤气管道应采取消除静电和防雷接地的措施,消除静电的接地电阻应()Ω;法兰连接处跨接线电阻应()Ω;防雷接地的电阻应()Ω。...
Friday, May 16, 2025