Which of the following is true of backhand welding It has go

Which of the following is true of backhand welding? It has good joint visibility and makes welds with less joint penetration. It works well on vertical up and overhead welds. It has good head visibility and makes welds with deeper joint penetration. It has a good balance between penetration and reinforcement and is used on automated weld An advantage of the feed system is that the bulky system of gears it eliminated. linear pull-type push-type push-pull-type The modulated current transfer process can be used to make code quality toot welds. only if the root face is 1/8 in (3 mm) and the toot opening is 7/32 in. (2.7 mm) when the root face is twice the size of the root opening but less than 5/32 in (4 mm) even if the roof opening and root face may vary as much as the code might allow only in ferrous (steel) alloys What is the preferred gas(s) for SMAW-S? 25%CO2_ + 75% Ar 100% CO_2 Argon + Helium Argon In axial spray metal transfer, the shielding gas is usually a mixture of. 95% to 98% argon and 2% to 5% oxygen 2% to 5% argon and 95% to 98% oxygen 50% argon and 50% oxygen 5% argon and 95% oxygen

Solution

Answer to the questions against the correct option is given below:

15. d

16. d

17. d

18. a

19. c

20. b

21. a