Engineering Economyhipolita St Maria 3rd Ed Solution
Nov 15 2015 a cement grinding mill a with a capacity of 50 tons per hour utilizes forged steel grinding balls costing p12000 per ton which have a wear rate of 100 grams per ton cement milled another cement mill b of the same capacity uses high chrome steel grinding balls costing p50000 per ton with a wear rate of 20 grams per ton cement milled