How to Prepare for the Certified Welding Inspector Exam Part 2

Q: – Would you consider using a 5mm electrode for vertical up root runs in a 6G (HL045) fixed position pipe?

Posted on

1. Yes ,it is compatability
2. Yes but this would depend upon the welder skill
3. No,it is not the most suitable electrode coating type
4. No, the electrode should have been smaller in diameter

Q:- What is the required electrode classification for this qualification?

Posted on Updated on

Use the information below to answer

A welding procedure is being qualified for the welding of A709 grade 36 plates for cyclically loaded structures. Assuming this structure was for the construction of high way bridge. The welding process is SMAW, and the welding configuration is a single V-groove weld with a steel backing. The thickness of the test plate is 15.9 inches. The plate is welded in the vertical position.

Q:- What is the required electrode classification for this qualification?

1. E70XX

2. ER70S-X

3. E6XT-X

4. 1 and 2