Assertion (A): Grinding needs higher specific cutting energy

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Assertion (A): Grinding needs higher specific cutting energy than milling. Reason
(R): Milling cutter material is harder than abrasive grains.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not a correct explanation of A
3. A Is true but R is false
4. A is false but R is true

Correct Option: C

NA