What should be the thickness to validate this qualification?
The following information applies for Questions #21 through #26 A welder is being qualified on a groove weld in the horizontal position on 8schedule 80 using the SMAW process. The material being joined is API 5L grade X42 to API 5L grade X52.
A. 5/16〞-3/4〞 B. 3/4〞min-unlimited C. 0.187〞min.-unlimited D. All of the above E. None of the above