Question

A material has a mass of 187 g and 140 g before and after abrasion, respectively. If the material

has a circular cross-section of 5 cm diameter, find the abrasive ratio.

Answer 1

Abrasive ration= Mass after abrasion/ Mass before abrasion

Abrasive ration= $\frac{140}{187}$

Abrasive ratio= 0.749