1. Grinding at high speed results in the reduction of chip thickness and cutting forces per grit |
2. Aluminium oxide wheels are employed |
3. The grinding wheel has to be of open structure. |
A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 1 and 3 are correct
D) 2 and 3 are correct
Correct Answer: B
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