[Solved] Wok index is energy needed to reduce ore from
G = Bond grindability in grams per revolution = g/rev P = 80% passing size of the product grindability test in microns = 44 μm F = 80% passing size of the feed grindability test in microns = 1970 μm P 1 = size of the mesh of grind of the grindability test in microns = 75 μm Required W i = work index in kW hr per ton = Solution