Midterm II - Solution
5 Zuesn'cm I
a)
D=14 inches, h11=i : 7ft
3000 1000f;
By using nomographa Q=2000 gpm from point B to point C
The rate of discharge from elevated storage at point B 20001500: 500 gpm
5 + + h] ,ZB=10 n, Zc=20 , hL=21, and Vng i =1
CE 453
Study Guide for Midterm 2
Fall 2016
i
Note: You can bring a formula sheet to the exam with the following
ii
criteria
iii
- Use a single 8 x 11 sheet.
iv
- Write only on one side of the sheet.
v
- Include only formulas and conversion factors.
vi
- D
CE 453
Study Guide for the Final Exam
Fall 2016
i)
Study the course materials discussed in class (both on Blackboard & in
textbook).
ii)
Study all
iii)
iv)
Review the study guides
Study Midterm Exams 1 & 2.
v)
homework Assignments (1 through 10).
for Midt
CE 453
HW # 8
Due: Nov. 9, 2016 (Wed. class)
Nov. 10, 2016 (Thurs. class)
1.
2.
3.
4.
5.
Do Problem 7-30 in textbook.
Do Problem 35 in textbook.
Do Problem 7-36 in textbook.
Do Problem 7-43 in textbook.
Do Problem 7- 64 only part(a). In addition do the fo
lkalinity is not a pollutant. It is a total measure of the substances in water that have "acid-neutralizing" ability. Dont
confuse alkalinity with pH. pH measures the strength of an acid or base; alkalinity indicates a solutions power to
react with acid a
CE 453
Study Guide for Midterm 1
Fall 2016
1.
2.
3.
4.
5.
Study Chapters 1, 2, 3, and 4 (pages 73 to 80) in textbook.
Study the Blackboard materials (Chapters 1,2,3 & 4).
Study homework assignments 1, 2, 3, &4.
Study the questions in Study Guide for Quiz
CE 453
HW # 5
Due date: Oct. 12, 2016 (Wed. class)
Oct. 13, 2016 (Thurs. Class)
1.
2.
3.
4.
5.
6.
7.
Do Problem 4-21 in textbook.
Do Problem 4-27.(part a only)
Do Problem 4-38.
Do Problem 4-43.
Do Problem 4- 48.
Do Problem 4- 49
Do Problem 4-51
CE 453
HW # 4
Due: Sept. 28, 2016 (Wed. class)
Sept. 29, 2016 (Thurs. class)
1.
2.
3.
4.
5.
6.
7.
Do Problem 3- 35 in textbook.(15 p09nts)
Do Problem 3-37 in textbook. (15 p0ints)
Answer Question 3-47 in textbook. (5 points)
Do Problem 4-2 in textbook.(10
CE 453
HW # 6
Due: Oct. 19 (Wed. class)
Oct. 20 (Thurs. class)
1.
2.
3.
4.
5.
6.
7.
8.
Do Problem 4-17. (20 points)
Do Problem 4-19- part (a) only- (5 points).
Do Problem 4-20. (25 points)
Explain why lakes thermally stratify and why the impounded water i
WATER QUALITY CONTROL
CHAPTER 4
HYDRAULICS and
HYDROLOGY
Hydraulics of Water and Wastewater Flow Systems
Pressure : in kPa (psi)
psi = lb/sq in.
Velocity : in m/sec ( ft/sec )
Flow : in m3/sec ( ft3/sec )
kPa = Kilonewton/m2
Pressure Velocity Head Relatio
CE 453
HW # 5
Due date: Oct. 12, 2016 (Wed. class)
Oct. 13, 2016 (Thurs. Class)
1.
2.
3.
4.
5.
6.
7.
Do Problem 4-21 in textbook. (20 points)
Do Problem 4-27.(part a only) (20 points)
Do Problem 4-38. (15 points)
Do Problem 4-43.(15 points)
Do Problem 4-
Formula sheet = 1 side
Read corrections on exams
CE 453 Review
Chapter 1
o Figure 1.3
Chapter 2
o Eqns. 2.1, 2.2
o Example 2.2
o Gas solubility
o Colloids, coagulation
o Turbidity
o Trace organic chemicals
o HW #2
Chapter 3
o Eqns. 3.1-3.11
o Functions
CE 453
Homework # 6
1. Do Problem 4.15 in textbook.
A= supply reservoir
B= Load center
C= Elevated Storage
Hydraulic head at A= elevation + pressure head at A x 2.31 (ft/psi)= 0 + 80 * 2.31= 185 ft
Hydraulic head at C= elevation + pressure head at C= 40 +
CE 453
HW # 7
1. Do Problem 4-37 in textbook.
For n= 0.013
From figure 4.22 ( Nomograph for Manning formula based on n=0.013) 12 in diameter and 0.006
ft/ft slope the flow rate is 1210 gpm and the velocity is 3.5 ft/s
For n= 0.011
From equation 4.19 we ca
CE 453
Homework No. 3
1. Do Problem 2-10 in textbook.
Draw a milliequivalents-per-liter bar graph and list the hypothetical combinations
of compounds for the following water analysis.
Component
MG/L
Equivalent weight MEQ/L
Ca+
108
20
5.4
+
Mg
44
12.2
3.6
CE 453
Homework No. 3
1. Do Problem 2-10 in textbook.
Draw a milliequivalents-per-liter bar graph and list the hypothetical combinations
of compounds for the following water analysis.
Component
MG/L
Equivalent weight MEQ/L
Ca+
108
20
5.4
+
Mg
44
12.2
3.6
CE 453
Homework 4
1. Do Problems 3-5, 3-12 (section 3-4), 3-23 (section 3-8 of textbook) and 3-28 in
textbook.
3-5: Protoza are single celled aquatic animals that multiply by binary fission.
They have complex digestive systems and use solid organic matter
CE 453
HW # 5
1. Do problem 3.33 in textbook. (5 points)
Volume of wastewater added to 300-ml bottle= 6.0 ml
Initial DO =8.1 mg/l
5 day DO = 4.2 mg/l
k-rate = 0.1 per day
ultimate BOD =?
8.14.2
D1 D 2
=195 mg/l
6.0
=
BOD5=
P
300
-kt
BODt= BODu (1-10 )
2.
CE 453
HW # 5
1. Do problem 3.33 in textbook. (5 points)
Volume of wastewater added to 300-ml bottle= 6.0 ml
Initial DO =8.1 mg/l
5 day DO = 4.2 mg/l
k-rate = 0.1 per day
ultimate BOD =?
8.14.2
D1 D 2
=195 mg/l
6.0
=
BOD5=
P
300
-kt
BODt= BODu (1-10 )
2.
1.
Do Problem 2-11 in the textbook. Draw a milliequivalent-per-liter
2.
What is the health effect of color compounds? How would you remove these compounds from
drinking water? Explain.
In order to make water drinkable it is not only treated for turbidity
CE 453
Study Guide for Midterm 1
Fall 2015
1. Study Chapters 1, 2, 3, and 4 (pages 73 to 80) in textbook.
2. Study homework assignments 1, 2, 3, 4 &5.
3. Study the questions in Study Guide for Quiz
1.
4. Do Problem 2-11 in the textbook. Also determine (in
Natural and Constructed Wetlands for Wastewater Treatment
Introduction
Wetlands - where land is wet or underwater for a whole or part of year, so that
vegetation is distinct from adjacent upland areas
Are diverse in how they form and how they function
CE 453
Homework No. 3
Due: Sept. 21, 2016 (Wed. class)
Sept. 22, 2016 (Thursday class)
1 Explain the role and function of heterotrophic bacteria in the aeration tank of a
biological wastewater treatment plant? What are their carbon and energy sources?
(5
CE 453 FALL 2016
Homework No. 1
Due: Sept. 7, 2016 (Wednesday class)
Sept. 8, 2016 (Thursday class)
1. Problem 2-3 in textbook. (5 points)
2. Problem 2-8 in textbook. Also, determine the carbonate hardness (associated with
the bicarbonate ion), noncarbona
CE 453 Homework No. 10 Due: Nov. 25, 2009 Do the following problems in textbook. 1. Problem 7-63 (do parts a and b plus the following) c) Calculate the amount of chemicals in units of pounds per million gallons of water processed. d) Calculate the waste s
CE 453 Homework No. 8 Due: Oct. 28, 2009 1. Do Problems 4-42, 4-49, 4-51 in textbook. 2. Do Problem 6-22 in textbook. However, for part (b) assume 8 hours of pumping from 12:00pm to 8:00am. 3. 3. Do Problem 7-1 in textbook.
CE 453 Homework No. 7 Due: Oct. 21, 2009 1. Do the following problems in textbook: 4-25, 4-26, 4-27 (parts a and b only), 4-37, and 4-43. 2. For Example 4-15 (page 123) determine the following pipe diameters: a) Manhole 1 to Manhole 2 b) Manhole 2 to Manh