[Engineering Version] Daily Question 20171031
Thread Content
According to the relevant regulations for steel structures, which of the following statements regarding welding work is incorrect? A. Once a welder passes the examination, he may carry out welding within the scope of the tasks for which he has passed the test. B. The construction unit regarding the steel materials to be used for the first time. For welding materials, welding methods, post-weld heat treatment, etc., a welding procedure qualification shall be carried out, and the welding procedure shall be determined based on the qualification report. C. Before use, electrodes, fluxes, flux-cored wires, nozzles, etc., shall be baked and stored in accordance with the specifications provided in their product manuals and welding procedure documents. D. For grade 1 and grade 2 welds for which full penetration is required by the design, ultrasonic testing shall be used to detect internal defects; when ultrasonic testing cannot determine the presence of defects, radiographic testing shall be employed
A. Once the welder passes the examination, they may perform welding within the scope of the tasks for which they have passed the test
A. Once the welder passes the examination, they may perform welding within the scope of the tasks for which they have passed the test
A. Once the welder passes the examination, they may perform welding within the scope of the tasks for which they have passed the test
A. Once the welder passes the examination, they may perform welding within the scope of the tasks for which they have passed the test