Following are the results of a sieve analysis: U.S. Sieve No. Mass of soil retained on each sieve 4 10 21.6 20 40 495 102.6 60 89.1 95.6 60.4 31.2 100 200 pan - Plote the grain -size distribution curve. Il- Calculate the uniformity coefficient Cy, and cofficient of gradation , C. A)-For a soil given: DI0 = 0.1 mm D30 = 0.41 mm D60 = 0.62 mm B)-for a soil given: D10 = 0.082 mm D30 - 0.29 mm D60 0.51 mm