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For the CNC part programming, match Group A with Group B: Group A P: circular interpolation, counter clock wise Q: dwell R: circular interpolation, clock wise S: point to point countering Group B I: G 02 II: G 03 III: G 04 IV: G 00

1. (A) P-I, Q-III, R-I, S-IV
2. (B) P-II, Q-III, R-I, S-IV
3. (C) P-I, Q-IV, R-II, S-III
4. (D) P-II, Q-I, R-III, S-IV

Correct answer: (B) P-II, Q-III, R-I, S-IV

Solution

Option B is correct because it accurately matches the G-code commands with their respective functions: G 02 (P) represents circular interpolation in a counterclockwise direction, G 03 (R) is for clockwise circular interpolation, G 04 (Q) indicates dwell, and G 00 (S) is used for point-to-point rapid positioning.

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