Water Nuggets Practice Exam

The ability of a filter to trap flocculated particles in suspension depends on which two factors?

1. Media Depth and Media Size

2. Effective Size Multiplied by Uniformity Coefficient

3. Media Depth and Uniformity Coefficient

4. Effective Size Multiplied by Uniformity Coefficient Divided by the Media Size

The correct answer is: Media Depth and Media Size

The correct answer emphasizes the fundamental principles governing filtration processes in water treatment. The ability of a filter to successfully trap flocculated particles is influenced by the depth of the filter media and the size of the media. Media depth is crucial because a deeper filter allows for more interactions between the water and the filter material, providing increased opportunities for particles to be captured as they flow through. A greater depth means that particles can be intercepted at various layers of the filter, enhancing the overall filtration efficiency. Media size, on the other hand, affects the porosity and the void spaces within the filter. Smaller media particles can create tighter spacing, which allows for better entrapment of flocculated particles. The right balance of media size is essential to ensure that the filter does not become clogged too quickly while still effectively capturing contaminants. When media depth and media size are optimized, they work together to improve the filter's performance, ensuring that flocculated particles can be effectively trapped during the filtration process. This combination is essential for maintaining water quality and meeting treatment goals.