Based on the Sieve Analysis results for filter media given below: Size of Opening (mm) Cumulative Mass % Passing 0.105 0.2 0.149 0.9 0.210 4.0 0.295 7.5 0.42 10 0.59 39.4 0.84 60.0 1.19 74.4 1.68 91.5 2.38 96.8 3.36 99.0 The effective size is: 1) 0.210 mm 2) 0.295 mm 3) 0.149 mm O4) 0.105 mm 5) 0.42 mm

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter4: Mechanical Processes
Section: Chapter Questions
Problem 4.11P
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## Sieve Analysis Results for Filter Media

### Overview

This table presents the results of a sieve analysis for filter media, demonstrating the cumulative mass percentage passing through various sieve sizes.

| Size of Opening (mm) | Cumulative Mass % Passing |
|----------------------|---------------------------|
| 0.105                | 0.2                       |
| 0.149                | 0.9                       |
| 0.210                | 4.0                       |
| 0.295                | 7.5                       |
| 0.42                 | 10.0                      |
| 0.59                 | 39.4                      |
| 0.84                 | 60.0                      |
| 1.19                 | 74.4                      |
| 1.68                 | 91.5                      |
| 2.38                 | 96.8                      |
| 3.36                 | 99.0                      |

### Explanation:

The table contains two columns:

1. **Size of Opening (mm)**: This column lists the sizes of the sieve openings in millimeters through which the filter media particles pass.
2. **Cumulative Mass % Passing**: This column indicates the cumulative percentage of the total sample mass that passes through each sieve size.

### Question:

**Based on the Sieve Analysis results for filter media given below:**

What is the effective size?

1. 0.210 mm
2. 0.295 mm
3. 0.149 mm
4. 0.105 mm
5. 0.42 mm

The effective size (D10) is typically defined as the particle size corresponding to 10% passing in a sieve analysis. Based on the provided data:
- For 0.42 mm size, the cumulative mass % passing is 10.0%.

Therefore, the correct answer is:

5) 0.42 mm
Transcribed Image Text:## Sieve Analysis Results for Filter Media ### Overview This table presents the results of a sieve analysis for filter media, demonstrating the cumulative mass percentage passing through various sieve sizes. | Size of Opening (mm) | Cumulative Mass % Passing | |----------------------|---------------------------| | 0.105 | 0.2 | | 0.149 | 0.9 | | 0.210 | 4.0 | | 0.295 | 7.5 | | 0.42 | 10.0 | | 0.59 | 39.4 | | 0.84 | 60.0 | | 1.19 | 74.4 | | 1.68 | 91.5 | | 2.38 | 96.8 | | 3.36 | 99.0 | ### Explanation: The table contains two columns: 1. **Size of Opening (mm)**: This column lists the sizes of the sieve openings in millimeters through which the filter media particles pass. 2. **Cumulative Mass % Passing**: This column indicates the cumulative percentage of the total sample mass that passes through each sieve size. ### Question: **Based on the Sieve Analysis results for filter media given below:** What is the effective size? 1. 0.210 mm 2. 0.295 mm 3. 0.149 mm 4. 0.105 mm 5. 0.42 mm The effective size (D10) is typically defined as the particle size corresponding to 10% passing in a sieve analysis. Based on the provided data: - For 0.42 mm size, the cumulative mass % passing is 10.0%. Therefore, the correct answer is: 5) 0.42 mm
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