Q20
Match the welding process in Group 1 with the source of heat in Group 2. Group 1 Group 2 P. Ultrasonic welding 1. Thermochemical Q. Spot welding 2. Electrical resistance R. SMAW 3. Friction S. Thermit welding 4. Electric arc
Match the welding process in Group 1 with the source of heat in Group 2.
| Group 1 | Group 2 |
| P. Ultrasonic welding | 1. Thermochemical |
| Q. Spot welding | 2. Electrical resistance |
| R. SMAW | 3. Friction |
| S. Thermit welding | 4. Electric arc |
A.
P-3, Q-2, R-1, S-4
B.
P-4, Q-3, R-2, S-1
C.
P-1, Q-3, R-4, S-2
D.
P-3, Q-2, R-4, S-1
AnswerAnswer: Option D
Solution
Answer: Option D
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