### LAB MANUAL

4 200 mesh BSS Sieves Sieve shaker brush sieve opener balance with weight box THEORY T he average particle size is defined in several ways The most common method being the volume surface mean diameter 1 Volume surface mean diameter D VS= 6 ᶲS ₰P AW =1/∑n xi/Dpi i=1 Where ᶲs=sphericity A W =Total Surface Area ₰ p =density of particle X i =i th mass …