特种作业操作证
Special Operation Certificate (Welding and Thermal Cutting)
特种作业操作证(焊接与热切割)
考核焊接与热切割安全技术、防火防爆与应急处置,适合从事焊接、切割作业的特种作业人员。
All 300 questions free · no sign-up · explained
A sample question · with answer and explanation
焊条电弧焊时,若焊条药皮受潮,焊前最妥当的处理方式是
AI explanation知识点是焊条使用前的烘干要求。正确项按说明书规定烘干能有效去除药皮水分,防止气孔和飞溅。把焊条与工件同炉预热到烫手温度不够且可能损伤焊条;加大电流无法去除药皮内部水分反而影响电弧稳定;晾晒只能去除表面潮气,无法满足低氢焊条的烘干要求。
About the Special Operation Certificate (Welding and Thermal Cutting) exam
- Issuing body应急管理部门
- Choose your level不分级
- Question bank300 questions online (growing)
- Practice modesSequential practice, mock exam, flash review, mistake drills
