wox 98 93 67 4 18 30 17 Problem #1 Sieve no Size class, mm X Cumm less than De 9 >4.000 100 8 2.000-4.000 3 7 1.000-2.000 7 6 0.500-1.000 12 83 5 0.250-0.500 0.125-0.250 32 3 0.063-0.125 2 0.045-0.063 10 1 pan 3 For the screened particle sample above, take the $s=0.571, a=0.8, pe=2,650 kg/m3. Calculate: a) Particles average surface area in mm/8 b) Particles per gram of sample c) Volume mean diameter d) Volume-surface mean diameter e) Mass mean diameter f) N through sieve no 3 into no 2 8) N through sieve no 4 into 3 13 3 0