List-I | List-II | ||
A. | Ultrasonic welding | 1. | Gas heated to ionized condition for conduction of electric current |
B. | Plasma arc welding | 2. | High frequency and high intensity vibrations |
C. | Plasma arc welding | 3. | Concentrated steam of high-energy Electrons |
4. | Exothermal chemical reaction |
A) A\[\to \]1, B\[\to \]2, C\[\to \]4
B) A\[\to \]4, B\[\to \]3, C\[\to \]1
C) A\[\to \]2, B\[\to \]1, C\[\to \]4
D) A\[\to \]2, B\[\to \]3, C\[\to \]1
Correct Answer: D
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