Question

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 %

This question was addressed to me during an internship interview.

My query is from USM topic in section Mechanical Processes of Advanced Machining

Answer 1

Correct option is (d) 30 – 35 %

To elaborate: In practice, volumetric concentration of abrasives used range between 30 – 35 %.