Multiple choice

Match the following non-traditional machining processes with the corresponding material removal mechanisms:

Mechanical process| Mechanism of material removal| | P. Chemical machining| 1. Erosion| | Q. Electro-chemical machining| 2. Corrosive reaction| | R. Electro - discharge machining| 3. Ion displacement| | S. Ultrasonic machining| 4. Fusion and vapourization|

  1. P-2, Q-3, R-4, S-1

  2. P-2, Q-4, R-3, S-1

  3. P-3, Q-2, R-4, S-1

  4. P-2, Q-3, R-1, S-4
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A Correct answer
Explanation

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