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722 CHAPTER 11: Intermittent and Recirculating Packed-Bed Filters , <br /> a. .Compute the cumulative percent passing-. <br /> Size of Cumulative <br /> Sieve size opening, Percent percent <br /> or number mm retained passing <br /> i in 9.53 0 100 <br /> 4 4.75 6.2 93.8 <br /> 8 2.38 16.7 77.1 <br /> 16 1.18 24.8 52.3 <br /> 30 0.60 24.1 28.2 <br /> 50 0.30 18.2 10.0 <br /> 100 0.15 7.5 2.5 <br /> Pan 2.5 <br /> b. Plot the cumulative percent passing versus the corresponding sieve size.Two dif- <br /> ferent methods of plotting the data are presented below. <br /> 100 <br /> i <br /> 80 ' <br /> 3 i <br /> T <br /> a <br /> c B 0 — doo=i 5 mr�1- <br /> 0 <br /> a 40 <br /> CD <br /> 20 <br /> a <br /> d,n=0.3omm <br /> 0 <br /> 0.01 0.1 1 10 <br /> Diameter of opening,mm <br /> 99.99 <br /> 99.9 — - <br /> i i <br /> i <br /> x <br /> 3 9590 <br /> G 7 <br /> `o s0 <br /> .� 30 I <br /> 2 <br /> Cr 10 ' <br /> s <br /> 5 <br /> m t ' <br /> a d10=0.30 mmdoo�1.5 mm <br /> O1 <br /> 0.01 0.1 1 10 <br /> Diameter of opening,mm <br />