In USM the metal removal rate would ... with increasing mean grain diameter of the abrasive material

increase

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decrease

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increase and then decrease

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decrease and then increase

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Solution

The correct option is C increase and then decrease
In USM the metal removal rate would increase and then decrease with increasing mean grain diameter of the abrasive material.

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In USM the metal removal rate would ... with increasing mean grain diameter of the abrasive material

The correct option is C increase and then decreaseIn USM the metal removal rate would increase and then decrease with increasing mean grain diameter of the abrasive material.

The correct option is C increase and then decrease
In USM the metal removal rate would increase and then decrease with increasing mean grain diameter of the abrasive material.