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.What F-number(s) apply to the proper filler metal for this weld ?
A. 1&6 B. 2&6 C. 6&21 D. 4 only E. None of the above