Q.

How much percent of the abrasives are recommended in general for abrasive medium?

A. 10 – 15 %
B. 15 – 20 %
C. 25 – 30 %
D. 30 – 35 %
Answer» D. 30 – 35 %
Explanation: in practice, volumetric concentration of abrasives used range between 30 – 35
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