Question:-
Match List I with List II and select the correct answer:
List I (Ingredients)
A. Silica
B. Potassium silicate
C. Ferro silicon
D. Cellulose
List II (Welding functions)
1. Arc stabilizer
2. De-oxidizer
3. Fluxing agent
4. Gas forming Material
Option (A)
ABCD
3421
Option (B)
ABCD
2134
Option(C)
ABCD
3124
Option(D)
ABCD
2431
Correct Option:
(C)
Question Solution:
Slag which helps to design the contour of the weld bead. The materials used are ® cellulose materials (wood pulp, saw dust) asbestos, iron powder etc.
Potassium silicates and sodium silicates are the arc stabilizer.
Ferromanganese and ferrosilicon are used as deoxidizer.
question-answer-faq-8968