Q3/ If the discharge of the river is 110 ft /sec and the boron concentrations for the river and the wastewater plant are 3000 ug/l and 15 mg/l, respectively. a. Compute the boron concentration in the stream after completely mixing if the discharge of the river after complete mixing 185 ft /sec. b. If the river temperature is 65°FC and the wastewater temperature is 95°F, estimate the temperature of the mixed river water.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Q3/ If the discharge of the river is 110 ft /sec and the boron concentrations for the river and
the wastewater plant are 3000 ug/l and 15 mg/l, respectively.
a. Compute the boron concentration in the stream after completely mixing if the discharge of
the river after complete mixing 185 ft /sec.
b. If the river temperature is 65°FC and the wastewater temperature is 95°F, estimate the
temperature of the mixed river water.
Specific
Temperature Specific weight
gravity
Absolute
Kinematic
Surface
Vapor
viscosity p,
viscosity
v, m²ls
tension
pressure
T,'C
y. Nim?
a, Nim?
P, NIm
0.99
9805
0.00179
1.795 x 106
0.0756
608
1.000
9806
0.00157
1.568 x 106
0.0750
809
0.997
1.310 x 10-6
1.131 x 10-6
0.984 x 10-6
10
9804
0.00131
0.0743
1226
15
0.9990
9798
0.00113
0.0735
1762
21
0.9980
9787
0.0008
0.0727
2504
27
0.9966
9774
0.0006
0.864 x 10
0.0718
3495
0.00068
0.00030
38
0.9931
9739
0.687 x 106
0.0700
6512
93
0.9630
9444
0.371 x 106
0.0601
79,002
Transcribed Image Text:Q3/ If the discharge of the river is 110 ft /sec and the boron concentrations for the river and the wastewater plant are 3000 ug/l and 15 mg/l, respectively. a. Compute the boron concentration in the stream after completely mixing if the discharge of the river after complete mixing 185 ft /sec. b. If the river temperature is 65°FC and the wastewater temperature is 95°F, estimate the temperature of the mixed river water. Specific Temperature Specific weight gravity Absolute Kinematic Surface Vapor viscosity p, viscosity v, m²ls tension pressure T,'C y. Nim? a, Nim? P, NIm 0.99 9805 0.00179 1.795 x 106 0.0756 608 1.000 9806 0.00157 1.568 x 106 0.0750 809 0.997 1.310 x 10-6 1.131 x 10-6 0.984 x 10-6 10 9804 0.00131 0.0743 1226 15 0.9990 9798 0.00113 0.0735 1762 21 0.9980 9787 0.0008 0.0727 2504 27 0.9966 9774 0.0006 0.864 x 10 0.0718 3495 0.00068 0.00030 38 0.9931 9739 0.687 x 106 0.0700 6512 93 0.9630 9444 0.371 x 106 0.0601 79,002
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