Two plates, each of 6 mm thickness, are to be butt-welded. Consider the following processes and select the correct sequence in increasing order of size of the heat affected zone.1. Arc welding2. MIG welding3. Laser beam welding4. Submerged arc welding

Two plates, each of 6 mm thickness, are to be butt-welded. Consider th

1.	Two plates, each of 6 mm thickness, are to be butt-welded. Consider the following processes and select the correct sequence in increasing order of size of the heat affected zone.1. Arc welding2. MIG welding3. Laser beam welding4. Submerged arc welding
A.	1-4-2-3
B.	3-4-2-1
C.	4-3-2-1
D.	3-2-4-1
Answer» E.