Quiz 3
Name
The city of Cleveland, OH has decided to turn 1000 m2 public area of a park (80% vegetation
cover, by oak trees) on soil group A into a paved parking lot.
a) What is the intensity (i) of t
w = 998.2
= 2.45
a = 3.45
P
P
= 3.45 C
K
(Ta + 273)
Ta
17.27TaC
es = 6.108 exp
237.3 + T C
a
Tac = air temp (oC); P = surface level pressure in
kPa; RH = relative humidity in %
ea =
=
=
ra =
RH
Practice questions for Midterm 2.
1) Find the critical depth in a trapezoidal channel having a bottom width of 6 m and 2:1 side
slops. The channel is lined with concrete and the channel slope is 1%. T
Homework Assignment 5
CE 3160, Spring 2013
Bohrer/Mouser
Due 04/15/2013
1. (after prob. 7.2): A 500-mm diameter concrete drainage culvert (n=0.012) is to be placed
under a roadway. During the design s
CE 3160 Water Resources Engineering
08/29/2016
Chapter 2 - Headloss
Headloss
In reality, pipes are not smooth, and we have a loss in total energy as a result of uid energy
being transferred to the pip
Quiz #2 - Solutions
1) What would be the design capacity of the service reservoir to a new neighborhood,
designed as 1-2 family dwellings with yards of 10 ft (3 m) length between each house
(see table
Homework 3 Due Friday 2/22
Calculate the NFF requirements (in L/min) for a neighborhood of 3-story, Joisted masonry
apartment buildings. The floor area of each floor in these buildings is 400 m^2. The
Homework 3 Due Friday 2/22
Calculate the NFF requirements (in L/min) for a neighborhood of 3-story, Joisted masonry
apartment buildings. The floor area of each floor in these buildings is 400 m^2. The
Homework Assignment 2
CE 3160, Spring 2013
Bohrer/Mouser
Due 01/30/2013
1. (after prob. 2.6): Water at 20C flows at a velocity of 2 m/s in a 200-mm diameter horizontal
ductile-iron pipe.
a) Estimate t
Homework Assignment 1
CE 3160, Spring 2013
Bohrer/Mouser
Due 01/16/2013
1. (after prob. 2.1): Water at 20C is flowing in a 100-mm diameter pipe at an average velocity of
2.4 m/s. If the diameter of th
Calculating Head Loss and Friction in Closed Condiuts
Method
DarcyWeisbach
Description
hf=f(LV2)/(D2g)
Friction occurs from shear stress along fluidsolid surfaces that depends on mat