Welding
Casting
Joining
None
Similar or dissimilar metal pieces may be joined together
With or without the application of pressure
with or without the aid of a filler material
All the above
(a) Electrode carry the arc
(b) Electrode acts as a filler rod
Both (A) and (B)
None of the above
Flux coated
Bare
Either (A) or (B)
Forms a layer of slag at the weld surface
Acts as a protective blanket from atmospheric oxidation
dissolves oxides and other impurities already present in molten pool
All of the above