A reactive chemical disposed of by dilution in a river dissipates at a uniform rate of 0.15 mg/l per hour. The waste discharge is 7 million gallons per day containing 35 mg/l, while the stream has zero concentration with a flow above the sewer outfall of 102 ft3/s. If the mean velocity in the river is 0.8 ft/s, calculate the distance downstream that the chemical residual persists

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A reactive chemical disposed of by dilution in a river dissipates at
a uniform rate of 0.15 mg/l per hour. The waste discharge is 7
million gallons per day containing 35 mg/l, while the stream has
zero concentration with a flow above the sewer outfall of 102 ft3/s.
If the mean velocity in the river is 0.8 ft/s, calculate the distance
downstream that the chemical residual persists
Transcribed Image Text:A reactive chemical disposed of by dilution in a river dissipates at a uniform rate of 0.15 mg/l per hour. The waste discharge is 7 million gallons per day containing 35 mg/l, while the stream has zero concentration with a flow above the sewer outfall of 102 ft3/s. If the mean velocity in the river is 0.8 ft/s, calculate the distance downstream that the chemical residual persists
Determine the combined stress at the outer edges AA and BB for
a given short compression member as shown in figure.
e1.5"
1.5"
300,000 lb
B.
12
12"
Transcribed Image Text:Determine the combined stress at the outer edges AA and BB for a given short compression member as shown in figure. e1.5" 1.5" 300,000 lb B. 12 12"
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