Sustainable Energy, Si Edition
2nd Edition
ISBN: 9781337551670
Author: DUNLAP, Richard A.
Publisher: Cengage Learning
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Chapter 5, Problem 9P
At time t = 0 a sample contains 3.57 × 108 nuclei of a particular nuclide. Exactly one year later the sample contains 3.09 × 108 nuclei of the same species. Calculate the half-life of the decay.
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2: Determine the vertical displacement, in millimeters, at H for the following truss. Assume A
= 400 mm2 and E = 200,000 MPa for each member.
A
5 kN
B
5 kN
5 kN
D
I
H
G
2 m
2 m
2 m
2 m
1.0 m
1.0 m
E
Chapter 5 Solutions
Sustainable Energy, Si Edition
Ch. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - A sample of 137Cs (half-life = 30.1 years) decays...Ch. 5 - Prob. 4PCh. 5 - What are the decay products of the decay of the...Ch. 5 - Prob. 6PCh. 5 - Nuclide A has a half-life of 4 days, and nuclide B...Ch. 5 - 64Cu can decay by both decay and + decay. Draw an...Ch. 5 - At time t = 0 a sample contains 3.57 108 nuclei...Ch. 5 - Prob. 10P
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- Please explain all your steps. Thank you.arrow_forward10000 Quizl:Design a grit chamber for a horizontal velocity 250 mm/s, minimum flow 5,000 m³/day, maximum 20,000 m³/day, average flow is 12,500m³/day, S.O.R= 0.017 m/s, For a parabolic channels A =2/3 WD, detention time = 1 min Q Ac == HxW vs for inorganic particles = SOR As = LxW As V=Qxt=LxWxH Z=CxW2 Q (m³/day) | Ac (m²) W (m) | Z (m)arrow_forwardCan you please explain how to draw the shear and moment diagrams. Thank you.arrow_forward
- Q2: Design an activated sludge process to treat a waste flow of 15000 m³/day with a BODs of 180 mg/L following primary treatment. The effluent BOD, and SS are to be 20 m mg/L. Assume Xr = 15000 mg/L, X = 2500 mg/L, 0c = 10 day, Y = 0.60, kd=0.05. Determine 1- the reactor volume, 2- the Sludge production rate, 3- the circulation rate, 4- the hydraulic retention time, and 5- the oxygen required? C₁-Ce C 1 XV = 1 +0.532 QxC₁₂ VXF F= - 1+r (1+0.1r)² = Qr= dt Өс Qx Xr-X V R = [= Q YQ(So-S) Oc dx XV 1+Kd0c O₂demand =1.47 (So-S)Q-[1.14Xr(Qw)] Qw total sludge production/X, S = BOD, effluent - 0.63 * SS Warrow_forwardمارت حولة ملانول 60 Design Deceleration tank and screen for W.W.T.P of flow-144000 m² day Design Data: D.T=1-3 min 1-3b, d=1-1.5 m 60 Design Data: velocity= 0.6: 1.5 m/sec . A-Qdfv=b.d, b=2d 233 Design Data: bars used circular of p= 1.5:3 cm. rec. of (1:2 cm) x (2:6 cm) spacing between bars 2.5:5.0 cm fine screen, 2.5 7.5 cm coarse screen Sloping angle on hz (6)=45:60 = depth of water depth in approaching channel=d = ⚫nbars nspacings +1 ⚫b=nbars xo+nspacings I spacing net inclined area = 2 Aapproach channel=nspacing. spacing. L. 1=d/ sin Check: = 1.13 C 2.56 1134(6.05 P. 45.30 *velocity just befor the screen=v₁ = Qa(m³/sec) screen-b.d ≥ 0.6 m/sec. * velocity through the screen=v2 16mm use 2 Qa(m³/sec) nscreens (spacings Spacing).d ≤1.5 m/sec IsP. 22-65 12²² head losses = Ah = 1.4 x ≤0.1 m 2g bav usp = Ubar Q 23.65 k 148.72arrow_forwardCan you please explain the steps of this problem especially the variables for Q when solving for the shear force? Thanks.arrow_forward
- Please show all your steps. Thank you.arrow_forwardThe solution to this problem is 10.5kip. Please explain all the steps.arrow_forwardQ1: Design of trickling filter system single-stage with 3m depth, effluent BOD, of 20 mg/l, influent BODs =250mg/l, flow = 2.63 m³/min and hydraulic flow rate or hydraulic loading rate 25 m/day, r=3arrow_forward
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