API Welding Inspection And Metallurgy - API-577 模擬練習
The weld symbol represents which type of weld groove?
正解: A
Which of the following is a practical solution that could prevent or reduce lack of fusion in carbon steel during the weld process?
正解: B
When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than
0.42%, which of the following electrodes should be used?
0.42%, which of the following electrodes should be used?
正解: B
Hardness testing of production welds and the HAZ requires test areas to be:
正解: C
The change in shape (deformation) that a test specimen experiences when it is stressed or loaded is called:
正解: A
For hot tap and in-service welding, above what carbon equivalent limit is it recommended to use extra low hydrogen electrodes to weld carbon steels?
正解: C
When verifying that the filler metal selection is appropriate for the base metal being welded, an inspector should consider:
正解: B