5. In Shielded Metal Arc Welding, which factor/s a welder should consider in choosing the right electrodes to use?
a. Kinds of Base Metal
b. Types of Welding Equipment
c. Cost Limits
d. All the above

6. An electrode used in shipbuilding, pressure vessels, bridges, hot and cold cast iron welding.
a. E-308 L-16
b. E-7018
c. E-6011
d. E-6013​