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You are hired to evaluate the adequacy of a wastewater treatment plant (WWTP) to meet a city's projected needs. The WWTP was designed to handle 2.5 MGD and is currently running at 80% capacity durin
Question: At what time (in seconds) would you expect the maximum velocity to occur if the cyclic natural frequency of the system is 5 Hz? Note: Please explain comprehensively and give step by step s
The Peierls-Nabarro stress, t=c*exp(-kd/b), where c and k are constants, b is the magnitude of the burger vector and d is the interplanar spacing between adjacent planes, describes the shear stress,
Question 1: Estimate what the BOD5 should have been. Question 2: Estimate what the DO reading should have been on day 5. Question 3: Determine the ultimate carbonaceous BOD of the sample.
Question: Determine the shear lag factor. Note: Please provide full description.
Develop a three-dimensional function with a saddle point, locate the point through the first partial derivatives, and confirm the point is a saddle by evaluating the Hessian matrix. Plot the functio
Question 1: Determine the required nominal moment strength, Mn. Question 2: Determine the required nominal shear strength, Vn (assume that fv = 1.0).
Determine the factored, Mu, acting on a floor beam if the calculated service load moments acting on the beam are as follows: MD = 75 ft-kips and ML = 45 ft-kips.
Hint: Your solution will require solving 6 separate expressions describing the equilibrium chemistry ongoing in this lake. Note: Explain in detail.
Question: Assuming the average influent pollutant concentration equals 45 mg/L and beginning with a general mass balance expression, derive a relationship describing pollutant concentrations in this
Question: If the tape temperature is 37degrees Fahrenheit, what field dimensions should the survey party use to lay out this lot? Note: Please provide step by step solution.
Question 1: What is the degree of saturation (S)? Question 2: What is the total unit weight?
Question: Calculate the void ratio, porosity, dry density, and total density corresponding to each of the following case:
A saturated soil sample has a total unit weight of 18.24 kN/m^3 with specific gravity of solids as 2.72. Calculate the following:
Compute the difference in piezometric head between the pipe points 1 and 2 and state whether the pressure is higher or lower at point 1. Note: Please provide reasons to support your answer.
Imagine you are a fluid molecule traveling on a streamline. Explain the factors that could cause you to accelerate/decelerate for the following situations.
Question 1: Determine the porosity and permeability of the block. Question 2: In a second block, you drill a single larger-diameter hole, so that the porosity is the same as your first block. What i
An oil company is considering adding an additional grade of fuel at its service station. To do this, an additional 3000 gallon tank must be buried at each station. Discussions with the tank fabrica
Question: If the margin of safety is set at 4 lbs of P per day, what would be the maximum waste load allocation of P from a wastewater treatment plant discharging to the river?
Question: If the car's frontal area is 21.5 ft2, what is its drag coefficient? Note: Explain all steps comprehensively.
Question 1: Determine the downstream concentration of the pollutant. Question 2: If the community measures a pollutant concentration in the river equal to 100 ppb, at what ratio (volumetric %) must
Question 1: Determine the speed of the car when it has traveled a distance of 300 ft. Question 2: What is the total acceleration of the car at the end of this 300 ft?
Question: What is the mass flow rate if the fluid is toluene? Note: Explain all steps comprehensively.
Question: Determine the perpendicular distance'd' from the line to the origin of the system of coordinates. Note: Please provide reasons to support your answer.