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1. When using the rational method, if land cover, area and the return period of he storm remain the same, a
lower time of concentration will result in a lower peak rate of flow? T/A o cfw_5/
CE 378 Quiz #1 Fall 2016
2. Mannings Equation is an equation
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CE 378 Quiz #4 Fall 2016 Name:
1. Regarding Dr. Beardens Water Law lecture It was specifically addressed that unlike many other surrounding
states that have created such laws, Alabama currently has no policy for:
a. Darcy 5 flow
@ lnstream flow
c. W
CE 378 Fall 2016 Quiz #6
1. Pipes in parallel / Hardy Cross. The flowrate Q is 11.7 MGD. The Hazen Williams C values for
both pipes is 120 and both pipes are 12 inches in diameter. What is the flowrate (MGD) in Pipe
#1 assuming Pipe #1 is 5000 feet and Pi
10.
l
95/ l 0
CE 378 Quiz #2 Fall 2016
What is the peak rate of runoff (cfs) for a 64 acre residential one acre lot ("8 soils) site (P = 9.5 inches) with a time of
Sr- M - 10 TM a1;
concentration of 120 minutes? '
a 050 A? (l acre. CN 66 a C NO :0 1C
CE 378 Fall 2016 Quiz #3 Name: /l0
StageStorage- Discharge Curve
Given a detention pond with a top elevation of 5.0 feet (dimensions 150 feet by 150 feet and 5:1 sideslopes) and a
bottom elevation of 0.0 feet. The pond has 1 foot diameter orifice (invert
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CE 378 Fall 2016 Quiz #5 Name:
1. What is the total head loss (ft) for a flowrate of 100 gpm?
@020
204 a 05" Hit/L (40A (.05:ng
c. 40-60 0 c; H W
d. 60-80 . . HT 10+ Lio : l1~5<g
e. None of the above
2. What is the total head loss (ft) for a flowrat