What is its 5-day cbod

Assignment Help Civil Engineering
Reference no: EM131252033

1. A waste has an ultimate CBOD of 1,000 mg/L and a kL, of 0.1 day-1. What is its 5-day CBOD?

2. Calculate the ultimate BOD of a waste that has a measured 5-day BOD of 20 mg/L, assuming a BOD rate coefficient of 0.15 day-1.

3. A waste has a ThOD of 500 mg/L, a COD of 48 mg/L, and an ultimate CBOD of 5 mg/L Offer an explanation for the character of this waste.

Reference no: EM131252033

Questions Cloud

Describe how nursing care or approaches to decision-making : Identify a patient care situation in which you describe how nursing care or approaches to decision-making may differ based upon the educational preparation of the nurse (BSN versus a diploma or ADN degree).
The sad fate of the comma : Write a strong lead in sentence that reveals that you will NOW be discussing the effectiveness of a certain rhetorical decisions made by Samuelson AND the appeals at work through those decisions...something like this: "While he uses many effective..
Briefly discuss the case of the christian burial speech : Briefly discuss the case of the "Christian Burial Speech" and why it raises moral questions. Briefly describe at least one of the three critical problems with consequentialism discussed in class and in your text.
Purchasing power parity is overestimated : What's an example of when Purchasing Power Parity is overestimated? or when PPP is underestimated?
What is its 5-day cbod : A waste has a ThOD of 500 mg/L, a COD of 48 mg/L, and an ultimate CBOD of 5 mg/L Offer an explanation for the character of this waste.
Bought or sold without marketing expenses : The demand for H is given by P = 30 - 1.5Q. If an external market exists where H can be bought or sold without marketing expenses for $13, how much H should the firm produce?
Why is it that nurses fail to report errors : Discuss our role as nurses in developing a culture of safety interdependent upon a professional code of ethics. Why is it that nurses fail to report errors and what are the consequences to the nurse, patient, facility, and system?
What it means to say that rights and duties are correlative : Identify three rights that help to understand a particular problem in crime and justice. Briefly describe, providing at least one example, what it means to say that rights and duties are correlative.
Solve a problem in higher education : Identify alternative policy options that could help to solve a problem in higher education? What criteria would you use to evaluate the alternatives? How would you evaluate those alternatives?

Reviews

Write a Review

Civil Engineering Questions & Answers

  Determine corresponding increase in the diameter of vessel

a spherical pressure vessel has an outer diameter of 10 ft and a wall thickness of 0.5 in. knowing that for the steel used ?all= 12 ski, E= 29 x 10^6 psi, and v= 0.29, determine (a) the allowable gage pressure,

  Find the net force required to hold the bend in place

A 1m diameter pipe bend is carrying water with a steady flow rate of 2 m3/s. The bend has an angle of 90o and lies in a horizontal plane. The volume of water in the bend is 1.5 m3 and the empty weight of the bend is 4 kN.

  Determine the velocity and position as functions of time

A particle is moving with a velocity of Vo when s=0 and t=0. If it is subjected to a deceleration of a = (-K)v^3, where K is a constant, determine its velocity and position as functions of time.

  The key to determining the effectiveness of any customer

The key to determining the effectiveness of any customer marketing campaign is the proper use of a control group. A control group is a subset of the customers you're targeting with a particular campaign who you decide will not receive the campaign.

  Find smallest value of s for which equilibrium is maintained

Assuming that the coefficient of static friction µs is the same at A and B, determine the smallest value of µs for which equilibrium is maintained. The weight force acts at the center of the length of the ladder.

  When will the queue clear

where u(t) is in vehicles per minute and t is in minutes. When will the queue clear?

  Determine the bar sizes and spacing require

1. Referring to problem 1, in order to meet a 1-hour fire code rating the slab thickness must be at least 4.00. Based on the information given in problem 1 and with a slab thickness of 4.00".a) Determine the bar sizes and spacing required.

  Find the resultant of the systems of concurrent forces shown

Using graphical methods, find the resultant of the systems of concurrent forces shown. Please show work.

  What data should she gather to help her build the case

Assume Amy needs to build a data-based case to convince her boss and start to "win over" Hank. What data should she gather to help her build the case?

  Determine the value of the force in member ac

Let P=109N. Q=231 N.a=3.2m. And b=2.9m. Type the unit. N. after typing your numerical answer. Determine the value of the force in member AC. Give a positive value if the member is in tension and a negative value if the member is in compression.

  Use dynamic programming to determine an optimal production

An electronics firm has a contract to deliver the following number of ratios during the next three months; month 1, 200 radios; month 2; 300 radios; month 3, 300 radios. For each radio produced during months 1 and 2, a $10 variable cost is incurred; ..

  Assessment task critical review the decision making of a

assessment task critical review the decision making of a failed major constructionproperty project within the uk in the

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd