Parameter Exp. No. A B C D E Results, PSD% (220-280 μm) S/N
Run1            Run 2          Avrage of  results
1 5 80 180 1 3:1 21.81%         18.46%            20.13% 25.99
2 5 85 350 2 2:1 22.53%         26.08%            24.30% 27.64
3 5 90 450 3 3:2 24.52%         30.76%            27.64% 28.66
4 5 95 600 4 1:1 40.47%         33.33%            36.90% 31.22
5 7.5 80 350 3 1:1 31.66%         25.80%           28.73% 29.03
6 7.5 85 180 4 3:2 24.24%         25.81%           25.02% 27.95
7 7.5 90 600 1 2:1 23.28%         23.33%           23.30% 27.35
8 7.5 95 450 2 3:1 29.72%         24.24%           26.98% 28.49
9 10 80 450 4 2:1  16.77%        16.29%          16.53% 24.36
10 10 85 600 3 3:1 17.00%         13.13%          15.06% 23.34
11 10 90 180 2 1:1 60.31%        51.51%          55.91% 34.87
12 10 95 350 1 3:2 42.31%         48.48%         45.39% 33.08
13 17.5 80 600 2 3:2   22.22%      26.00%         24.11% 27.56
14 17.5 85 450 1 1:1 36.84%          36.95%         36.89% 31.34
15 17.5 90 350 4 3:1 11.62%          16.21%         13.91% 22.51
16 17.5 95 180 3 2:1 31.82%          27.27%        29.54% 29.33
Table 2: Experimental layout us ing the L16 orthogonal array and experimental res ults for percentage particles s ize dis tribution and S/N ratio.