Question

  Match List I (Ingredients) with List II(Welding functions) and select the correct answer:        

List I

(A) Silica

(B) Potassium silicate

(C) Ferro silicon

(D) Cellulose

List II

1. Arc stabilizer

2. De-oxidizer

3. Fluxing agent

4. Gas forming Material

Codes:

   A         B         C         D

(a) 3        4          2          1

(b) 2        1          3          4

(c) 3        1          2          4

(d) 2        4          3          1