Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 4, Problem 4.3P
To determine
(a)
The shredder which did a better job in reducing the size of the solid waste.
To determine
(b)
The shredder that yielded a more uniform product.
To determine
(c)
The curves for each shredder using Rosin-Rammler plot.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
1. Three samples of aggregates are sieved to obtain the grading curve. A set of different sieves is
stacked with the coarsest mesh at the top. The aggregate is then placed in the top sieve and the
stack is placed in a sieve shaker. The raw data is as follows:
Sieve size (mm)
19
9.5
4.75
2.36
1.18
0.6
0.3
0.15
Pan
Mass of sieve (g)
670
620
620
570
570
520
520
520
490
For each sample:
Plot the grading curve.
a.
b.
Identify the type of gradation.
c. Determine the fineness modulus.
Mass of sieve + aggregates retained (g)
Sample B
mass of the empty measure
mass of measure + water
Sample A
670
770
820
740
720
770
720
570
525
mass of measure + rodded aggregates
mass of measure + loose aggregates
670
1820
620
570
570
670
720
620
544
2. The rodded and loose bulk density of an aggregate sample is to be determined. The following
are acquired during the experiment:
- 12.15 kg
- 27.15 kg
- 34.60 kg
- 25.16 kg
Sample C
670
620
620
670
770
720
620
620
506
For Sample A:
-Plot the grading curve.
-Identify the type of gradation.
-Determine the fineness modulus.
Three aggregates are to be mixed together in the following ratio:
Aggregate A 35%
Aggregate B 40%
Aggregate C 25%
For each aggregate, the percent passing a set of five sieves is shown in the following table:
Determine the percent passing each sieve for the blended aggregate?
Knowledge Booster
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
- In the picture is a distribution graph of the sphericity of a sample of aggregate materials. The test was done using the Aggregate Imaging System (AIMS) that evaluates the shape characteristics of aggregates. What does the graph and quantitative results tell us about the representative sample?arrow_forwardFrom a Fine Aggregate sample, the ff data are given below to determine only the SPECIFIC GRAVITIES and ABSORPTION OF THE SAMPLE. MASS of oven dried aggregate 428.3g MASS of PYC filled with water =652.5g MASS of aggregate and water =785.3g MASS of SSD Aggregate =459.1g MASS OF AN EMPTY PYCNOMETER =125.0g MASS of oven dried aggregate 428.3g 652.5g 785.3g 459.1g 125.0g MASS of PYC filled with water MASS of aggregate and water MASS of SSD Aggregate MASS OF AN EMPTY PYCNOMETER IL || || |Iarrow_forwardThree aggregates are to be mixed together in the following ratio:Aggregate A: 35%Aggregate B: 40%Aggregate C: 25%For each aggregate, the percent passing a set of five sieves is shown in Table PDetermine the percent passing each sieve for the blended aggregate.arrow_forward
- 4. MECHANICAL SEPARATION A sieve analysis gives the following results: Sieve size (mm) Wt. retained (g) 1.000 0 0.500 64 0.250 0.125 0.063 324 240 48 24 Through 0.063 Plot a cumulative size analysis and a size-distribution analysis, and estimate the weights, per 1000 kg of powder, which would lie in the size ranges 0.150 to 0.200 mm and 0.250 to 0.350 mm.arrow_forwardQuartering (or splitting) means reducing sample sizes into reasonable volumes. Would you expect every after each quartering (or splitting) process, the weight of the original aggregates would be reduced to half or almost half? Why or why not? Defend your reason.arrow_forwardCan you answer please?arrow_forward
- Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: Volume of bucket = 0.3 cuft Weight of empty bucket is 18.1 lb Weight of bucket filled with dry rodded coarse aggregate = 58.7 lb Calculate the dry-rodded unit weight in lb/ft^3 (one decimal only). Input magnitude only.arrow_forwardA sieve analysis test was performed on a sample of aggregate and produced the results shown in Table. Calculate the percent passing through each sieve. What is the maximum size? What is the nominal maximum size? Plot the percent passing versus sieve size on: a. a semilog gradation chart, and b. a 0.45 gradation chart (Figure A.25). Amount Retained, (g) Cumulative Percent Retained SIEVE ΝΟ. SIEVE SIZE Cumulative Amount Percent Passing Retained, (g) 215 885 980 12 2,350 3/8 1,190 4 2,205 8 1,985 10 1,840 40 1.650 100 980 200 660 PAN 60 ΤΟΤAL 15,000arrow_forwardStudend id: 260204002arrow_forward
- Q1: C: A sieve analysis test was performed on a sample of aggregate and produced the results shown in the Table below, Calculate the percent passing through each sieve. Plot the percent passing versus sieve size. Sieve size, mm Amount Retained, g 25 19 376.7 12.5 888.4 9.5 506.2 4.75 1038.4 2.35 900.1 1.18 891.5 0.6 712.6 0.3 625.2 0.15 581.5 0.075 242.9 Pan 44.9arrow_forwardTable shows the grain size distributions of aggregates A, and B. Answer the following questions and show all calculations: What are the maximum sizes of aggregates A and B?arrow_forwardCoarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: (Note: Write answer with 2 decimal places) Volume of bucket = 1/2 cu.ft Weight of empty bucket = 20.3 Ib Weight of bucket filled with dry rodded coarse aggregate: Trial 1 = 76.6 Ib Trial 2 = 75.1 Ib Trial 3 = 78.8 Ib a. Calculate the average dry-rodded unit weight b. If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids between aggregate particles for each trial. {Note: Bulk Dry specific gravity must be multiplied to the unit weight of water to obtain percent voids)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Solid Waste EngineeringCivil EngineeringISBN:9781305635203Author:Worrell, William A.Publisher:Cengage Learning,
Solid Waste Engineering
Civil Engineering
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Cengage Learning,