When a filler rod and very hot flame are used in a welding process, the weld method is:
a. submerged arc welding
b. heli-arc method
c. electric-arc method
d. oxy-acetylene method
e. spot-weld method
Answer: D
When a filler rod and very hot flame are used in a welding process, the weld method is:
a. submerged arc welding
b. heli-arc method
c. electric-arc method
d. oxy-acetylene method
e. spot-weld method