Answered: Calculate the BOD concentration based…

Calculate the BOD concentration based on the data below. DOinitial (mg/L) 7 DO final (mg/L 3.5 Vol. sample (ml) 15 Vol. dilution (ml) 285 BOD (mg/L)

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter5: Separation Processes

Section: Chapter Questions

Problem 5.30P

See similar textbooks

Related questions

Q: Find the moment about the bar's attachment point the wall (left side of drawing). on

Q: For number 1 and 2. Use the method of joints to determine the force in each member of the roof truss...

A: We have to determine the value of force in each member of the roof truss shwon in the figure as per ...

Q: The value of stress produced due to 30 N is 44 N/mm2. Determine the cross sectional area of rod

A: This question is related to the Strength of Material. In this problem we calculate cross section are...

Q: 4.73 A 50-kg crate is attached to the trolley-beam system shown. Know- ing that a = 1.5 m, determine...

Q: The void ratio of the soil is 1.2. Determine the bulk unit weights for degree of saturation 55% and ...

A: The given question is related with geotechnical engineering . In this question we are provided with ...

Q: Estimate the total consolidation settlement (primary & secondary) after 2 years and 3 months after t...

A: We have to determine the value of total consolidation settlement after 2 year and 9 months after the...

Q: The beam of the cross section in the form of American standard Channel or C shape C10 x 30 is clampe...

A: The moment is linearly proportional to the bending tensile stress, and y is a unit dimension in the ...

Q: Show complete solution Compute for the horizontal and vertical components of the structure shown

Q: A roof truss has a span of 12 m and a rise of 2.4 m which is placed at 3.5 m c/c. Calculate the live...

Q: . Using the Meyer and Dune equations, find the daily evaporation rate for a lake given that the mean...

A: Given : Mean water temperature = 70 F Mean air tenperature = 85 F Pan coefficient = 0.5 Average wind...

Q: Given data : Work done=600 J Force=30 N Determine displacement

Q: 1. Determine the location of centroid, y, from top of the beam in mm. 2. Determine the moment of ine...

A: If the end portion of a beam extends beyond the support, then the beam is known as overhanging beam....

Q: The continuous beam shown in the figure is fixed at both ends A and D, and supported by rollers at B...

A: ##Calculation of Beam of different part solution using SLOPE DEFLECTION METHOD ###

Q: W1 A 10 ft 10 ft Set w1 (k/ft) A (1,2,3,4,5) B (6,7,8,9,0) 3. If the given beam has constant EI, sol...

Q: A horizontal curve on a two-lane highway (11ft lanes) has a central angle of 33 degrees and designed...

A: Given -

Q: A rectangular open channel, with a constant discharge of 32m3/s, has a smooth expansion from (1) to ...

A: open channel flow : A sort of liquid flow within a conduit or in a channel with a free surface, know...

Q: An effluent at a flow rate of 3000 m3/d from a sewage treatment plant is to be disinfected. The labo...

Q: What is an Ecosystem? Civil Engineering please explain very well thank you very much type a soft no...

A: An ecosystem is a cycle of life where all the organisms (animal and plants) along with environmental...

Q: 3 4.20 B A 4.0 m BAR WEIGHING 100 N IS REUTING ON A SMOOTH FLOOR AND AGAINST A MOOTH WALL AT POINTr ...

A: To find the value of P

Q: Water at 300 K flows, under the influence of gravity, through a vertical packed bed of spheres 2 cm ...

A: Given- Temperature, T=300KDiameter of spheres, D=2 cm=0.02 mporosity, n=0.35

Q: 1. Compute the volume of cur material to be removed to reach sub-grade between stations 4+50 and 5+0...

A: Given Data -

Q: The figure below shows a gravity separation vessel at steady state. The separation vessel is cylindr...

A: Given : To find - Determine how long in minutes before the separation vessel will flood.

Q: Question 13 4 pts A tank is subjected to a pressure of 50 MPa. If the thickness of the tank is 10 mm...

Q: Given data: Pressure head%3D20 m velocity head-5 m Datum head%=2 Determine total head

A: Introduction : Total head is sum of pressure head , velocity head and datum head Given data : Pressu...

Q: The bent beam is held in equilibrium by a pin at A and a roller at B, as shown. The beam supports a ...

A: Figure is as shown below

Q: A roof truss has a span of 12 m and a rise of 2.4 m which is placed at 3.5 m c/c. Calculate the live...

Q: Assume you are asked to advise the team that need to prepare the new quote for the construction of t...

A: HCD is human central design is a problem solving approach that's required you to put your customer n...

Q: The magnetic bearing of a line AB was found 268°. If the local attraction at this station was 3° Eas...

A: We will correct bearing for local attraction and declination.

Q: A rectangular open channel, with a constant discharge of 32m3/s, has a smooth expansion from (1) to ...

A: Given data: Q=32 m3/s Section 1-1 y1=2.4 mb1=3.6 m Section 2-2 y2=0.8 m

Q: A soil element is shown in Fig 25. Determine the following: a. Maximum and minimum principal stresse...

Q: Problem 1. Determine the minimum horizontal force P required to keep the crate from sliding down the...

A: Given:- The mass of the crate = 50 kg The coefficient of friction between the crate and the incline ...

Q: At a temperature of 22.5 °C the length of the tape is decreased by 0.0045 m. What will be the temper...

Q: Qulei) 20° 0.15 m 1.5 m

Q: Determine

Q: Hi, please help me answer this problem. Thank yoiu so much.

A: Given : Standard temperature, T = 20°CTension force in steel tape, Pt = 90 NLength of tape at standa...

Q: Determine the maximum shearing stress on the beam in MPa.

Q: If there is settlement of S at the support C, solve the slope at B using slope deflection method

Q: A 45° sector gate is located on the crest of spillway. The water is upto the mid-point of the gate w...

A: step 1-

Q: The constant wall thickness of a tube with the elliptical cross section shown is 0.12 in. What torqu...

Q: A cross section in the shape of a circular arcof constant thickness is shown in the figure. Deriveth...

A: A circular arc of constant thickness is shown in the figure so we need to determine the formula for...

Q: A copper bar (d = 20 mm, E= 120 GPa) is loaded by a compressive load of 15 kN. The maximum shear str...

Q: Using MDM for the continuous beam below, determine the following structural parameters and support m...

A: As there are multiple questions posted, according to the guidelines, only the first three are being ...

Q: 6a. A vertical force of 80 lb acts on a crankshaft that is held in place by a bearing at A that supp...

A: Given Data -

Q: For the timber beam shown, draw the shear and moment diagrams and determine the maximum bending stre...

Q: Determine the forces BG, DF & BC of the truss using method of joints. 80 k 80 k 20k 8ft 80 k 80 k 8t...

Q: en how much more settlement a footing o mpared to sandy soil?

A: Given data- Plate settlement (Sp) = 15 mm Width of plate(Bp) = 400 mm Width of footing(Bf) = 1.2m = ...

Q: solve the following using slope deflection method:

Q: Problem 2. Determine the minimum horizontal force P required to begin sliding the crate up the incli...

A: ASKED: To compute the minimum horizontal force P required to cause the motion of the crate up the in...

Q: Using SDM for the frame shown below, determine the following structural parameters, FEM and support ...

Q: An aluminum bar having a cross-sectional area of 0.8 in2 carries the axial loads applied at the posi...

Concept explainers

Analysis and Procedures for Material Selection

The term material selection means to select the right material for various engineering applications. There are various engineering materials available and each has different individual properties. Thorough knowledge of the material properties and behavior is crucial in the design process. For instance, a structural member, such as a beam, is used to support vertical shear loads by the building itself. To withstand such loads, the material of the beam must possess adequate strength and stiffness to resist any deformation that might lead to the formation of cracks.

Question

100%

Calculate the BOD concentration based on the data below.

DO_initial (mg/L)	7
DO _final (mg/L	3.5
Vol. sample (ml)	15
Vol. dilution (ml)	285

BOD (mg/L) ?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Analysis and procedures for material selection

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

An orifice meter was calibrated by the manufacturer for air at 25℃ and 1atm. It is installed in an air sampling system where it operates at 33℃, 0.9atm and reads a ΔP of 4.8″H2O. The calibration curve has the relationship Qi=41×(ΔP)1/2in slpm(liters per minute at 25℃, 1atm). What is the true gas flow rate in slpm?
Determine the dynamic viscosity (Pa-sec) and kinematic viscosity (m2/s) of water with a specific weight of 9.81 kN/m3, if a Falling Sphere Viscosimeter test is conducted using an aluminum sphere that has a diameter of 10 mm and a specific weight of 28.06 kN/m3. The theoretical terminal velocity of the sphere is 0.650 m/s. Round off your answer to 3 decimal places.
Q. Determine the kinematic viscosity at the average temperature and determine the Reynolds number and type of flow using the data shown below and table values: Data obatined from a Reynolds Number test: Water temperature at the beginning of the experiment = 25 oC Water temperature at the end of the experiment = 30 oC The Volume of water collected in 25 seconds = 240 ml Pipe diameter, d= 10 mm. (use eq'n reynold's number, Re = VD/v
In a test to determine the discharge coefficient of a 50 mm by 12.5 mm Venturi meter the total weight of water passing through the meter in 5.0 minutes was 3420 N. A mercury-water differential gage connected to the inlet and throat of the meter showed an average difference during that time of 38 cm. Determine the meter coefficient. Assume your own meter fluid-specific gravity. Draw and label the diagram:
For a BOD analysis, 30 ml of waste with a DO of zero mg/L, is mixed with 270 ml of dilution water with a DO of 9 mg/L. The sample is then put in an incubator. The final DO is measured after 7 d. The final DO is measured at 3.0 mg/L. However, it is discovered that the incubator was set at 30°C. Assume a k1 of 0.2 d–1 (base e) at 20°C and θ = 1.05. Determine the 5 d, 20°C BOD of the sample
Q3 (a) Describe briefly the main objective water quality and state the mainparameters involved in water quality analysis.(b) Determine the equivalent weight, concentration of each ion in mg/L as CaCO3and total hardness of the following water sample in Table Q3 (b).(c) 50 mL of wastewater sample has been diluted in a 300 mL BOD bottle forBOD5 20°C analysis. Assume that initial DO is 8.8 mg/L, whilst DO at the end of5 days is 4.5 mg/L, calculate the dilution factor (P) and estimate the value ofBOD5 20°C for the wastewater sample.
An illegal connection was observed on a 300 mm diameter horizontal pipe. Upstream from the connection two gages 600 m apart showed a pres- sure difference of 140 kPa. Downstream from the connection two gages 600 m apart showed a pressure difference of 116 kPa. How much oil (assume logical Gs, four decimal places) is being stolen due to the illegal connection? Assume loss of head ranging from 40% - 50 % of velocity head for every 50 m.
The BODs of a domestic wastewater sample is considered to be about 200 mg/l and the DO in it is measured as 0 mg/L. The laboratory staff are preparing to set up a BOD test to determine the actual BOD of the sample. The DO of the dilution water was measured to be 9 mg/I. Which of the following volume ratios of (total volume of BOD bottle = 300 mL) / (volume of wastewater sample) would be most appropriate to use in setting up the BOD bottle for incubation? Select one among the following: (a) 20/1; (b) 50/1; (c) 100/1; (d) 500/1. Justify your selection
A column 3.00 cm in diameter and 32.6 cm long gives adequate resolution of a 72.4-mg mixture of unknowns, initially dissolved in 0.500 mL. (a) If you wish to scale down to 10.0 mg of the same mixture with minimum use of chromatographic stationary phase and solvent, what length and diameter column would you use? (b) In what volume would you dissolve the sample? (c) If the flow rate in the large column is 1.85 mL/min, what should be the flow rate in the small column?
In a test to determine the discharge coefficient of a 50 mm x 12.5 mm horizontal venturi meter, the total weight of water passing the meter in 5 min. was 340 kg. A mercury differential gage connected to the inlet and throat of the meter showed an average mercury difference during thatrime or 364 mma. Compute the velocity of the throat (m/s)b. Compute the theoretical discharge (m3/s)c. Compute the meter coefficient.
A 50 mL of wastewater sample was brought to the lab and filtered out to measure the solids concentration. The weights of filter paper before, and after filtration (with solids) are 0.182 g and 0.197 g, respectively. The weights of aluminum cup tare before, and after dry (with solids on filter paper) are 100.08 g and 100.76 g, respectively. What is the total suspended solids concentration (TSS), in mg/L or grams/liter (or, other units)? Show your math-work.
The flow measured with a d/p cell is 16,000 scfh. If the temperature correction factor is 1.4 and the pressure correction factor is 0.85, what is the real flow rate? 13,445 scfh B. 17,100 scfh C. 19,040 scfh D. 16,000 scfh A d/p cell is designed to operate at 75 psia and is used to measure fluid flow at 30 psia. What is the pressure correct factor for this d/p cell? 1.58 B. 2.5 C. 0.4 D. 0.632 A gas flow rate is being measured in a 3 in. pipe with an orifice plate. What is the minimum straight run required in this pipe before the orifice? Less than 30 in.  At least 60 in.  Between 18 in. and 60 in. Exactly 18 in.