Friday
July 31, 2015

Homework Help: Science: Engineering

Recent Homework Questions About Engineering

interoduction of aeronautical engineering
Others say that the balloon was 23 metres high and 14 metres wide. Calculate the temperature of the air in the balloon (in degrees Celsius) for this situation as well. (Assume the balloon to be spherical, and then elongated by a factor 23/14 in height).
Tuesday, July 14, 2015 by Shivam

Physics
Engineering a highway curve. If a car goes through a curve too fast, the car tends to slide out of the curve. A frictional force acts on a fast car to oppose the tendency to slide out of the curve. Consider a circular curve of radius R and bank angle θ, where the ...
Monday, July 6, 2015 by Natalia

Basic electrical engineering
The average velocity of the electrons in a conductor carrying a current of 65.5 amp is 0.0153 inches per sec.what is the cross-sectional area of the conductor.
Wednesday, July 1, 2015 by Kenzo

ENGINEERING
a vinegar contains acetic acid,CH3COOH.Titration of 5.00g of vinegar with 0.100M of NAOH requires 33.00cm to reach the equivalence point.a)what is the weight percentage of CH3COOH in vinegar?
Sunday, June 28, 2015 by OSCAR

Biology
Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineering has many positive outcomes. For example, A) gene therapy might cure one defect while creating another. B) genetic modification of foods can ...
Friday, June 19, 2015 by Rafa

mit
home / homework help / questions and answers / engineering / mechanical engineering / 0.5 kg of water initially at 400 kpa and 0.3 m3/kg ... Question 0.5 kg of water initially at 400 kPa and 0.3 m3/kg is contained within a piston-cylinder device fitted with retractable stops (...
Thursday, June 11, 2015 by mit

Socials
How did Stalin suppress his people's individuality and control their personal and economic lives? I am having trouble researching his methods of control and how his people's lives were affected. I know he initiated a great massacre to terminate anyone who disagreed ...
Sunday, May 31, 2015 by Jane

English(Reed)
.. continuing our conversation from my other post regarding Brave New World and totalitarianism research paper :) my response to your comment: Thanks for your opinions Reed, I have thought about it and decided on my stance. My thesis is now "The author, Aldous Huxley, ...
Thursday, May 28, 2015 by Beth

SCIENCE!! PLEASE HELP!!! CHECK ANSWERS PLZ
1)When evolution was first proposed, which of the following was used as evidence to support the idea? (1 point) A)observations of nature*** B)laboratory experiments C)extensive fossil collections D)genetic sequences 2)How did Darwin and Lamarck differ in their thinking about ...
Tuesday, May 26, 2015 by .....

Math
Count the number of ways to award first place to third place to the top three groups in an engineering competition.
Sunday, May 17, 2015 by Maria

Chemical Engineering
When a manometer is subjected to a time dependent pressure differential, the level of liquid in the legs changes with time according to the equation: (L/g)*(d^2h/dt^2)+(8uL/ygr^2)*(dh/dt)+h = dp/yg where L = length of liquid in tube, h is the height differential, dp is the ...
Tuesday, May 12, 2015 by Brandy

Communication
Is Professional a Communication somehow related to Engineering
Monday, May 4, 2015 by Tisy

engineering mechanics
The resultant if a certain system of forces has x and y components. Determine the components of this resultant with respect to N and T axes rotation 30 degree counterclockwise relative to the x and y axes. Ans. Rn= 500 lb Rt= 266 lb How did it happen?
Saturday, May 2, 2015 by shan

General
How to get into Nasa after doing aerospace engineering from India? Could you please tell me best universities for aerospace engineering other than IIT's?
Monday, April 27, 2015 by Edward

Engineering Physics 1
I shot the first arrow Into the air with a speed of 10 m/sec , 1 second later I shot the 2nd arrow into the air with a speed of 15 m/sec. Will they meet? If so, where? how do i solve this?
Sunday, April 26, 2015 by Joshua

statistics
The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Arts 1358 Business 1676 Engineering 868 9313 What is the probability that a randomly selected degree is not ...
Thursday, April 16, 2015 by Bob

engineering science n3
A train with a mass of 120Mg accelerates uniformly on a horizontal track.the resistance to movement is 5N per KN of the mass of the train. The force in the draw-bar of the locomotive is 80KN.calculate: 1.the force required for the constant speed. 2.the force that causes the ...
Tuesday, April 7, 2015 by tuis

Engineering Economics
A granary has two options for a conveyor used in the manufacture of grain for transporting, filling, or emptying. One conveyor can be purchased and installed for $70,000 with $3,000 salvage value after 16 years. The other can be purchased and installed for $110,000 with $4,000...
Friday, March 27, 2015 by Anonymous

statistics
Average entry level salaries for college graduates with mechanical engineering degrees and electrical engineering degrees are believed to be approximately the same. A recruiting office thinks that the average mechanical engineering salary is actually lower than the average ...
Friday, March 20, 2015 by etoile

earthquake engineering
Hey everybody! I have a question I would like to share and ask you. We have a soil layer with medium gravel which has a depth of 38 m. We want to build a multi storey framed building safely with a fundamental period of 1.7 sec.Do you think it will be safe? Vs is given as 750 m...
Friday, March 20, 2015 by lina

Chemical Engineering
High-pressure helium is available from gas producers in 0.045-m^3 cylinders at 400 bar and 298 K. Calculate the explosion equivalent of a tank of compressed helium in terms of kilograms of TNT. Assume helium is an ideal gas
Wednesday, March 18, 2015 by Anonymous

Chemical Engineering
High-pressure helium is available from gas producers in 0.045-m^3 cylinders at 400 bar and 298 K. Calculate the explosion equivalent of a tank of compressed helium in terms of kilograms of TNT. Assume helium is an ideal gas
Wednesday, March 18, 2015 by Anonymous

engineering
A steel tube 30 mm outside diameter and 25 mm internal diameter and length 500 mm is subjected to a tensile load of 37 KN, determine the change in length in mm to 3 decimal places when the load was applied. For the material E = 210 GPa.
Monday, March 16, 2015 by engineering

engineering
1100 kg car accelerates from rest reaching distance of 139 m in 8.7 sec determine average power in KW your answer to 2 decimal places?
Monday, March 16, 2015 by engineering

English.
Please check my answers? Letter of Recommendation Mary O'Dell PLTW Program Willow High School 1400 Old Tamah Road Irmo, SC 29067 April 11, 2007 Subject: Letter of Recommendation for Mr. Chris Moses To Whom It May Concern: Chris studied under my supervision as a student ...
Thursday, March 12, 2015 by Q

Art
Engineering Empires 1) Which statement best describes the differences between architectural developments in Russian and Inca culture? :Russian architecture used few expensive materials; Inca architecture used plenty of gold. :Russian architecture was built to withstand ...
Wednesday, March 4, 2015 by TheLOUDEST_0430

Please help and explain engineering science n3
car moves at a constant velocity up an inclined plane making an angle of 28degrees with the horizontal. The coefficient of friction is 0.387. The force exerted by the engine on the car is 588N. Calculate the Following A.weight of the car B.frictional force acting on the car
Thursday, February 26, 2015 by Buhle

engineering science n3...please help and explain
Heat A.5kg of steel is cooled down in oil and the temperature drops from 900 degrees celsius to 27degrees celsius. The specific heat capacity of steel is 460J/kg degrees Celsius and that of oil 1.5kJ/kg degrees Celsius Calculate the following: 1.quantity of heat lost by steel ...
Tuesday, February 24, 2015 by cathy

engineering science n2
A stone with a mass of 6kg is thrown vertically upwards from the top of a building 35m high with a starting velocity of 20m/s. The time it will take to reach its maximum height
Monday, February 9, 2015 by mpume

Engineering Science N4
An aircraft is at A and has to drop a bomb on target B. If the aircraft flies at 720km/h at a height of 2km, calculate how ahead from B the bomb will to be dropped.
Saturday, February 7, 2015 by EmpressPamela

Chemistry
The primary route for making copper iodide is by reacting potassium iodide with copper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI + 2K2SO4 + 2NaI + Na2S4O6 Identify potential green chemistry and green engineering challenges of the reaction.
Sunday, February 1, 2015 by Henry

Green Chemistry
The primary route for making copper iodide is by reacting potassium iodide with copper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI + 2K2SO4 + 2NaI + Na2S4O6 Identify potential green chemistry and green engineering challenges of the reaction.
Friday, January 30, 2015 by Henry

science and technology engineering mathematics
Do you have sites that can help me understand science and technology engineering mathematics?
Wednesday, January 28, 2015 by science and technology engineering mathematics

Engineering Economy
Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years. Compute the semi-annual amount that will be set aside for this equipment. Money worth 10% compounded annually. My answer is P152,166.38. Is it correct? If...
Tuesday, January 27, 2015 by Cathy

engineering economy
Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years. Compute the semi-annual amount that will be set aside for this equipment. Money worth 10% compounded annually.
Monday, January 26, 2015 by cathy

maths
chnge engineering stress=34.67*10 rais to the power-6 peta newton/metersquare to atto lb/square miles?
Saturday, January 24, 2015 by jaspreet

civil engineering
Two masses are connected by a light cord over a frictionless pulley as shown. If M1 = 8.9 kg and M2 = 5.7 kg, calculate the tension in the cable (in N). Take the coefficient of kinetic friction between M1 and the horizontal surface to be 0.3 and assume the acceleration due to ...
Friday, January 23, 2015 by harry

English
What is the warrant in this article? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the electronics section, according to news reports, the toddler ...
Wednesday, January 21, 2015 by Anonymous

English
What is the claim, warrant, and grounds in this article? Smart Guns Save Lives. So Where Are They? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the...
Wednesday, January 21, 2015 by Anonymous

Science
How does cell differentiation connect to other branches of science or STEAM (science, technology, engineering, art, mathematics)
Monday, January 19, 2015 by Anonymous

Science
How could genetic engineering of plants be useful to people? Give examples
Monday, January 19, 2015 by Student

Science/engineering
What part does gravity play in the function of the water clock? Explain.
Sunday, January 18, 2015 by Daisy

engineering
In an electric car, regenerative braking is used to recharge batteries. The principle of regenerative braking involves converting the kinetic energy of the vehicle into energy stored in a battery. If a car is traveling at a speed of 30 km/h and is stopped completely by braking...
Saturday, January 17, 2015 by Anonymous

statistics
In a class of 100 students, 30 are computer science majors, 49 are mechaincal engineering majors, 13 are civil engineers and the rest are general engineering majors. Assume students only have one major. If a student is chosen at random what is the probability they are: a civil...
Friday, January 16, 2015 by Phil

Math
Could someone please show how this is done or explain how to do it. thank you The pie chart below shows how the annual budget for a certain company is divided by department. If the amount budgeted for Editorial and Engineering combined is , what is the total annual budget? ...
Wednesday, January 14, 2015 by Mary Ann

Science
Describe genetic engineering on a cellular level. In other words, what exactly takes place during genetic engineering that inserts a trait into an organism that did not have that trait before? Give an example
Tuesday, January 13, 2015 by Shannon

Engineering
What part does gravity play in the function of the water clock? .I kind of don't understand this question. All I need is a better understanding
Tuesday, January 13, 2015 by Daisy

Science
Describe genetic engineering on a cellular level. In other words, what exactly takes place during genetic engineering that inserts a trait into an organism that did not have that trait before? Give an example.
Monday, January 12, 2015 by Pat

Science And Technology Engineering Mathematics
Do you know some site where can I look for Science And Technology Engineering Mathematics books?
Sunday, January 11, 2015 by jim

Vocabulary Studies
Building and construction A. Architecture B. Engineering C. Nursing D. Statistics I think it might be A?
Tuesday, January 6, 2015 by Bryanna

Physics, Math, Aerospace, Engineering
A de-orbit burn, similar (but not the same) to that presented in the previous math problem, has been performed. During this de-orbit burn a pre-calculated ∆V (delta V, change in velocity) of 99.1 meters per second will be used to decrease the Shuttle’s altitude from...
Saturday, January 3, 2015 by Wolf

English
Acemoglu and Robinson pithily diagnose the cause of these disappointing outcomes in their final chapter: "Attempting to engineer prosperity without confronting the root cause of the problems—extractive institutions and the policies that keeps them in place—in ...
Wednesday, December 31, 2014 by juil

engineering mechanics
A block P weighing 200KN rests on the top of the block Q of weight 300KN and they are connected by a common string passing around a frictionless pulley S which is tied to a vertical wall by a horizontal string as shown if the coefficient of friction between the rubbing ...
Friday, December 26, 2014 by Anonymous

science
The various groups who make up the US public have different expectations of science. How do these differing expectations of science affect the ways groups place trust in science? Describe one example of a controversial expectation that the author gives. Resnik, D. (2011). ...
Sunday, December 21, 2014 by Linda

Science
Explain the concept of public trust as the author uses it. Resnik, D. (2011). Scientific Research and the Public Trust. Science & Engineering Ethics, 17(3), 399-409
Friday, December 19, 2014 by Linda

Chemical Engineering
What are the ways to split a mixture of benzene and methanol into its component using a 2 phase system separation ? Thank you
Monday, December 1, 2014 by Jadoo

engineering
Hey everyone! I have an exam on Monday and I want to know what I should do for this. Explain the sources and implications of size effect in strength of materials. Thank you sooo much ! :)
Saturday, November 29, 2014 by Ivana

accounting
On October 10, 2010, Mason Engineering Company completed negotiations on a contract for the purchase of new equipment. Under the terms of the agreement, the equipment may be purchased now or Mason may wait until January 10, 2011, to make the purchase. The cost of the equipment...
Monday, November 24, 2014 by Anonymous

engineering
haw calculat the deflated trisection
Monday, November 24, 2014 by bassel

engineering
What do you do to peel a hard boiled egg so the shell will not not not stick to the white. so you can eat the egg and not get egg shell in your mouth?
Thursday, November 20, 2014 by kenneth

College engineering
A prismatic bar has length L = 2m and a circular cross-section with diameter d = 50 mm. A tensile load is applied which causes thhe bar to extend by ∂ = 1.4 mm. a) Find the normal strain. b)If the elastic modulus is 200 GPa, find the applied aal tensile load P. I got ...
Tuesday, November 11, 2014 by Taylor

Engineering
A plane element is subjected to a shear stress τ = 360MPa which results to a shear strain σ = 0.008rad. a) determine the shear modulus G of the element b)What is the horizontal displacement, d, of the element if te height of the element is equal to 50mm I worked out ...
Tuesday, November 11, 2014 by Sam

Engineering science
a roller of diameter 1.5 m has a mass of 450 kg; it is pulled by a handle attached to its centre. Find the minimum force to pull up a step which is 250 mm high if the roller handle makes an angle of 30o with the horizontal
Sunday, November 9, 2014 by David

Mechanical Behavior of Materials
Calculate the load that a fibroblast cell applies to buckle a single column in a collagen tissue engineering scaffold, given that the column has a length of 100μm, is circular in cross section, with a diameter of 2μm, and has a Young's modulus of 5MPa. You can ...
Saturday, November 8, 2014 by zxcv

college statistics
the math SAT scores for all students who applied to the school of engineering are normally distributed with M=629 and standard deviation of 60. the school of engineering has decided to accept those students whose scores fall in the top 15%. what is th minimum score an appliant...
Thursday, November 6, 2014 by Chelsea

engineering ecnonmics
A 20-year-old student decided to set aside $100 on his 21st birthday for investment. Each subsequent year through his 55th birthday, he plans to increase the investment on a $100 arithmeticgradient. Hewill not set aside additional money after his 55th birth- day. If the ...
Monday, November 3, 2014 by NEED HELP!!!!

Engineering
Have a new tutor who has failed to teach us most of his assignment, I've finally got stuck on derivation of the formula G=E/2(1+v). any help would be much appreciated!
Monday, November 3, 2014 by bob

engineering
should my calculated bulk modulus of a liquid be (-)? the lookup tables i'm comparing the results too have positive values, or is it written without the (-) as a negative bulk modulus is impossible?
Saturday, November 1, 2014 by bob

Science
Think about the factors that will influence the evolution of humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection. 1.natural selection: genetic ...
Wednesday, October 29, 2014 by Anonymous

Computer Engineering (microcomputers)
Count the number of bytes: Modify any one of the last three programs, to also count the total number of bytes actually copied, the count should appear in a register. I suggest you set a breakpoint at the INT 20 instruction, because the registers can be reset if the INT 20 ...
Monday, October 27, 2014 by Eren

Fundamental engineering principles
A car traveling at 108 km hr-1 deceleration uniformly from 108 km hr-1 to 72 km hr-1whilst covering 200m.it continues at this reduced for 150m before slowing down uniformly to rest over a distance of 225m. Draw the velocity-time diagram and use it to determine: (A)the total ...
Saturday, October 25, 2014 by Anonymous

Persuasive Essay (Please, help me!)
Please, help me! I'm struggling to write my persuasive essay that must be completed by tonight. I don't know know whether that which I have written makes sense. I don't know what else to write, either! My essay is about why high school students should be exempt ...
Tuesday, October 21, 2014 by Victoria

engineering science N4
A steel block is resting on a Flat plank 6m long ,and how high can one end of a plank be lifted For the block to start to move,if the coeficient of friction is 0.3
Sunday, October 12, 2014 by mack

science!!
1) Which of the following correctly states the relationship between hippos and whales? (1 point) A) Whales evolved from hippos. B) Hippos evolved from whales.*** C) Hippos and whales do not share a common ancestor. D) Hippos and whales evolved from a common ancestor. 2) fossil...
Saturday, October 11, 2014 by Anonymous

Engineering
what heading must a pilot fly to compensate for a 125km/h west wind to have a ground track that is due south? The airecraft cruise speed is 600 km/h. What is the actual ground speed?
Wednesday, October 8, 2014 by Anna

Engineering Calc.
Water is leaking out of an inverted conical tank at a rate of 6700.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 7.0 meters and the diameter at the top is 4.0 meters. If the water level is rising ...
Tuesday, October 7, 2014 by Tom

Basic Chemical Engineering
Can someone plz give me the link of the process flow diagram of a textile(dyehouse)? I only need to know the procedures of the main components in the dyeing section. Plz help!
Sunday, October 5, 2014 by Jamie

engineering ecnonmics
By installing some elaborate inspection equipment on its assembly line, the Robot Corp. can avoid hir- ing an extra worker who would have earned $36,000 a year in wages and an additional $9500 a year in employee benefits. The inspection equipment has a 6-year useful ...
Tuesday, September 30, 2014 by Anonymous

economic engineering
By installing some elaborate inspection equipment on its assembly line, the Robot Corp. can avoid hir- ing an extra worker who would have earned $36,000 a year in wages and an additional $9500 a year in employee benefits. The inspection equipment has a 6-year useful life...
Tuesday, September 30, 2014 by Anonymous

engineering science
Two objects, with masses 10kg and 6kg respectively, move in the same direction in the same straight line at velocities 8m/s and 4m/s repectively, when they collide. The objects remain in contact with each other after collision. Calculate the common velocity and the direction ...
Monday, September 29, 2014 by Anonymous

Engineering science
A water pump produces 9KL of water per hour at a height of 70 m above the pump.The pump is driven by a 3 KW electric motor.calculate. 1) The work done per hour 2) The work done per minute
Saturday, September 27, 2014 by Thulani

Engineering Dynamics
A ball is thrown so that the motion is defined by the equations x=5t and y=2+6t-4.9t^2, where x and y are expressed in meters and t is expressed in seconds. a) find velocity at t=1s, b) find the horizontal distance the ball travels before hitting the ground.
Thursday, September 25, 2014 by James

engineering measurment
A rotating search coil has 10 turns with a cross-sectional area of 5cm2. It rotates at constant speed of 100rpm. The output voltage is 80mV. Calculate magnetic field strength
Wednesday, September 24, 2014 by lakhan

Vector
Your engineering firm plans to design an elevator for a hospital. The force exerted on a passenger by the floor of the elevator is not to exceed 1.60 times the passenger¡¦s weight. The elevator accelerates upward with constant acceleration for a distance of 3.0 m ...
Tuesday, September 23, 2014 by HelpMaths

engineering mechanics
the greatest and least resultant of two forces are respectively 17 KN and 5 KN. determine the angle between two force when their resultant is root 144 KN.
Sunday, September 14, 2014 by d

engineering science
An object is kept in equilibrium on an incline by means of supporting force, which is at an angle of 30 degrees o the inclined. The weight of the obbject is 500N. The incline forms an angle of 45 degrees with the horizontal. The coefficent of the friction between the surfaces ...
Saturday, September 13, 2014 by Anonymous

engineering
what do you mean by impact and Shock loading
Saturday, September 13, 2014 by jignesh

engineering science
An object weighing 60N rest on a slope forming an angle of 17.5 degrees with the horizontal. A force of 44N parallel to the sloping surface just moves the object upwards. Calculate the frictional force.
Wednesday, September 10, 2014 by olivia

economics 11
The demand and supply schedules for milk are as follows: Price Quantity Demanded Quantity Supplied 10 0 125 8 20 95 6 40 65 4 60 35 2 80 5 a. On the same graph, draw the demand and supply curves. What does the demand curve for a product describe? What does the supply curve for...
Tuesday, September 9, 2014 by Anonymous

Engineering
A box with an open top is to be made from a square piece of cardboard by cutting equal squares from the corners and turning up the sides. If the piece of cardboard measures 12 in on the side, find the size of the squares that must be cut out to yield the maximum volume of the ...
Saturday, September 6, 2014 by Trisha

Ponce High School
An executive in an engineering firm earns a monthly salary plus a Christmas bonus of 5300 dollars. If she earns a total of 98700 dollars per year, what is her monthly salary in dollars?
Wednesday, September 3, 2014 by Maria Rivera

Engineering
Determine the relationship between the radius and height of a right-cone with a volume of 300 cm3. This is all there is to the question and I'm not sure what my teacher wants for an answer.
Monday, September 1, 2014 by Leo

engineering maths
Show that the following curves are intersect eachother orthoganally.r-(1+coso) r-(1-coso)
Sunday, August 31, 2014 by k

Engineering
Phase diagram for soil Mechanics?
Friday, August 29, 2014 by Ally

Engineering maths
A rectengular swimming pool 30m long and 22m wide is made.And a deck of the uniform width is made around the pool,and only 480m^2 deck is made,HOW WIDE SHOULD THE DECK BE?
Sunday, August 17, 2014 by Makeki

physics, mit 2.01x, mechanical engineering
MITx 2.091x Can anyone help me on this question: HW9_3: Design against buckling in a SD truss We are considering again the truss in the figure, from homework problem HW4_2. The truss is loaded at joint C as indicated, and we had determined the axial forces in each of the bars ...
Friday, August 15, 2014 by yo yo

Accounting
On October 10, 2010, Mason Engineering Company completed negotiations on a contract for the purchase of new equipment. Under the terms of the agreement, the equipment may be purchased now or Mason may wait until January 10, 2011, to make the purchase. The cost of the equipment...
Wednesday, August 13, 2014 by Tracy

statistics
The human resources department of an engineering company gives IQ tests to a randomly selected group of new hires every year. They claimed that the mean IQ score of new hires, , from this year is greater than or equal to the mean IQ score of new hires, , from last year. This ...
Sunday, August 3, 2014 by Brittany

environmental engineering
Coal has about 2% sulfur. How many kilograms of sulfur would be emitted from coalfired power plants in the United States in 1 yr? (U.S. electricity production is about 0.28 × 1012 watts, and coal has an energy content of about 30 × 106 J/kg. Note that 1 J = 1W-sec.)
Thursday, July 10, 2014 by =)

environmental engineering
A water treatment plant has 6 settling tanks that operate in parallel (the flow gets split into six equal flow streams), and each tank has a volume of 600m3. If the flow to the plant is 10 mgd, what is the retention time in each of the settling tanks? If, instead, the tanks ...
Thursday, July 10, 2014 by =)

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Homework Help: Science

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