下列关于氧气管道安全控制措施的说法,错误的是()
A、架空氧气管道与明火地点等之间的最小净距不应小于10m
B、氧气管道与乙炔管道共架敷设时,应设在乙炔管道的下方
C、氧气管道与油质管道共架敷设时,应设在油质管道的下方
D、氧气管道上的法兰连接和螺纹连接处,应采用金属导线跨接,跨接电阻应小于0.03Ω
相关标签: 氧气管
- A氧气胶管为红色,允许工作压力为1.5MPa
- B乙炔胶管为红色,允许工作压力为0.5MPa
- C通常,氧气管的内径为8mm
- D乙炔管的内径为10mm
- E焊、割炬用胶管禁止接触油污及漏气,并且严禁互换使用
A warm-hearted (热心的) nurse on her first day's work went near to a patient (病人). He has come to London as a tourist. She asked him if she could do something for him, but he only waved (摇) his hand and said something she could not understand. With a smile she asked him again and he just kept saying the same word but in a very much lower voice (声音) before closing his eyes. She ran to the doctor and repeated(重复) to him the sounds she had heard: "My dear girl," said the doctor after listening carefully to what she repeated, he was saying, " You are standing on I oxygen pipe (氧气管)!"
In the story, the nurse and the patient ______.
A.speak the same language
B.speak different languages
C.can't hear each other
氧气管道工作压力在156.96*104~294.3*104帕时,应采用()敷设。
A、无缝钢管
B、水煤气管
C、铸铁管
D、有色金属管
氧气管着火时,应采取的措施是()。
A、先关氧气瓶总阀
B、后松顶风针
C、先松顶风针
D、后关氧气瓶总阀
E、先关氧气分总阀