Residential Construction Academy: House Wiring (MindTap Course List)
4th Edition
ISBN: 9781285852225
Author: Gregory W Fletcher
Publisher: Cengage Learning
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Chapter 8, Problem 11RQ
To determine
The difference between a surface mount and a flush-mount installation of service entrance panel.
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Please answer the questions in the picture. Thank you for your help. For part B use the Second Picture.
Derive by deconvolution the six-hour unit hydrograph from the following data for a watershed having a drainage area of 216 km2 , assuming a constant rainfall abstraction rate and a constant baseflow of 20 m3 /s. Six-hour period 1 2 3 4 5 6 7 8 9 10 11 Rainfall (cm) 1.5 3.5 2.5 1.5 Streamflow (m3 /s) 26 71 174 226 173 99 49 33 26 22 21 Use the unit hydrograph developed to calculate the streamflow hydrographfrom a 12 hour-duration storm having 2 cm of rainfall excess in the first six hours and 3 cm inthe second six hours. Assume a constant baseflow rate of 30 m3/s.
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