HW#3 - 4-110 Sieve No. low 2.380 1.680 1.190 0.840 0.590...

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Unformatted text preview: 4-110 Sieve No. low 2.380 1.680 1.190 0.840 0.590 0.420 0.297 Sieve No. high 1.680 1.190 0.840 0.590 0.420 0.297 0.210 %Retain 0.000 0.400 13.100 54.500 30.200 1.785 0.015 d(m) 0.002 0.001 0.001 0.001 4.98E-04 3.53E-04 2.50E-04 R 3.189 2.255 1.594 1.123 0.794 0.563 0.398 CD 9.546 12.981 17.768 24.548 33.939 46.947 65.353 CD(f)/d 0.000 36.724 2328.080 19004.379 20589.802 2372.715 39.253 44370.952 = D= va= T= v= = g= 0.910 0.750 0.003 5.000 0.000 0.500 9.810 hL= m m/s C m2/s m/s2 0.451 m 4-111 Sieve No. low 2.380 1.680 1.190 0.840 0.590 0.420 0.297 Sieve No. high 1.680 1.190 0.840 0.590 0.420 0.297 0.210 %Retain 0.000 0.400 13.100 54.500 30.200 1.785 0.015 d(m) 0.002 0.001 0.001 0.001 4.98E-04 3.53E-04 2.50E-04 vs (m/s) 0.300 0.200 0.150 0.100 0.070 0.050 0.030 R 359.375 169.411 89.844 42.174 20.875 10.579 4.488 CD 0.565 0.712 0.924 1.371 2.146 3.531 7.103 vs (m/s) 0.289 0.216 0.160 0.110 0.074 0.049 0.029 e 0.608 0.648 0.692 0.751 0.820 0.900 1.009 f/1-e 0.000 0.011 0.426 2.193 1.679 0.178 -0.016 4.470 = D= va= T= v= = g= SG= Br= s 0.910 0.750 0.003 5.000 0.000 0.500 9.810 2.800 2592.000 2800 m m/s C m2/s m/s2 m/d kg/m 3 1.676 1.076 safe height of backwash trough Fig. 4-46 15 Sample 1 2 3 4 5 6 7 Chlorine Dose (mg/L) 0.1 0.5 1.0 1.5 2.0 2.5 3.0 Residual Chlorine (mg/L) 0.0 0.4 0.8 0.4 0.4 0.9 1.4 a. Breakpoint dosage estimated from graph to be 1.75 mg/L b. Design dosage estimated from graph to be 2.35 mg/L 0 0.75 3.5 1 0.75 2 0.75 3 0.75 3.0 4 0.75 5 0.75 6 0.75 2.5 7 0.75 8 0.75 Chlorine (mg/L) 2.0 1.5 1.0 0.5 0.0 0 1 2 3 4 Sample 5 6 7 8 Column B Column C Column B 7 8 9 ...
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HW#3 - 4-110 Sieve No. low 2.380 1.680 1.190 0.840 0.590...

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