Welding process A. Thermit welding B. Seam welding C.

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Welding process
A. Thermit welding
B. Seam welding
C. MIG welding
D. Friction welding
Heat source
1. Chemical reaction
2. Exothermic Chemical reaction
3. Electric spark
4. Ohmic resistance
5. Mechanical work
6. Electric arc

1. A-2, B-4, C-6, D-5
2. A-2, B-4, C-1, D-5
3. A-2, B-4, C-6, D-3
4. A-2, B-4, C-6, D-1

Correct Option: A

A-2, B-4, C-6, D-5